CVE-2026-20075Network attack vector

Administrative stored XSS via unvalidated interface fields

Published Jan 15, 2026 · Updated Jan 15, 2026

Stored XSS in Cisco EPNM and Prime Infrastructure web interfaces allows remote authenticated users to execute scripts in other users' sessions. The interface stores malicious code placed in specific data fields without properly validating the input, then serves that code in affected interface pages. Valid administrative credentials are required to plant the payload, and another interface user must view it; resulting scripts can access browser-based information.

CVSS severity4.8
Medium
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Cisco EPNM and Prime Infrastructure web interfaces allows remote authenticated users to execute scripts in other users' sessions. The interface stores malicious code placed in specific data fields without properly validating the input, then serves that code in affected interface pages. Valid administrative credentials are required to plant the payload, and another interface user must view it; resulting scripts can access browser-based information.

The record

CVE
CVE-2026-20075
Published
Jan 15, 2026
Updated
Jan 15, 2026
Vendor
ClamAV
Product
Cisco Prime Infrastructure
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jan 15, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 15, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2.0.0
  2. Affected versionversion=2.0.10
  3. Affected versionversion=2.0.39
  4. Affected versionversion=2.1
  5. Affected versionversion=2.1.0
  6. Affected versionversion=2.1.1
  7. Affected versionversion=2.1.2
  8. Affected versionversion=2.1.56
  9. Affected versionversion=2.2
  10. Affected versionversion=2.2.0
  11. Affected versionversion=2.2.1
  12. Affected versionversion=2.2.10
  13. Affected versionversion=2.2.1 Update 01
  14. Affected versionversion=2.2.2
  15. Affected versionversion=2.2.2 Update 03
  16. Affected versionversion=2.2.2 Update 04
  17. Affected versionversion=2.2.3
  18. Affected versionversion=2.2.3 Update 02
  19. Affected versionversion=2.2.3 Update 03
  20. Affected versionversion=2.2.3 Update 04
  21. Affected versionversion=2.2.3 Update 05
  22. Affected versionversion=2.2.3 Update 06
  23. Affected versionversion=2.2.4
  24. Affected versionversion=2.2.5
  25. Affected versionversion=2.2.7
  26. Affected versionversion=2.2.8
  27. Affected versionversion=2.2.9
  28. Affected versionversion=3.0.0
  29. Affected versionversion=3.0.1
  30. Affected versionversion=3.0.2
  31. Affected versionversion=3.0.3
  32. Affected versionversion=3.0.4
  33. Affected versionversion=3.0.5
  34. Affected versionversion=3.0.6
  35. Affected versionversion=3.0.7
  36. Affected versionversion=3.10
  37. Affected versionversion=3.1.0
  38. Affected versionversion=3.10.0
  39. Affected versionversion=3.10.1
  40. Affected versionversion=3.10.2
  41. Affected versionversion=3.10.3
  42. Affected versionversion=3.10.4
  43. Affected versionversion=3.10.4 Update 01
  44. Affected versionversion=3.10.4 Update 02
  45. Affected versionversion=3.10.4 Update 03
  46. Affected versionversion=3.10.5
  47. Affected versionversion=3.10.6
  48. Affected versionversion=3.10.6 Security Update 03
  49. Affected versionversion=3.10.6 Update 01
  50. Affected versionversion=3.10.6 Update 02
  51. Affected versionversion=3.10_DP1
  52. Affected versionversion=3.10 Update 01
  53. Affected versionversion=3.1.1
  54. Affected versionversion=3.1.2
  55. Affected versionversion=3.1.3
  56. Affected versionversion=3.1.4
  57. Affected versionversion=3.1.5
  58. Affected versionversion=3.1.6
  59. Affected versionversion=3.1.7
  60. Affected versionversion=3.1_DP10
  61. Affected versionversion=3.1_DP11
  62. Affected versionversion=3.1_DP12
  63. Affected versionversion=3.1_DP13
  64. Affected versionversion=3.1_DP14
  65. Affected versionversion=3.1_DP15
  66. Affected versionversion=3.1_DP16
  67. Affected versionversion=3.1_DP4
  68. Affected versionversion=3.1_DP5
  69. Affected versionversion=3.1_DP6
  70. Affected versionversion=3.1_DP7
  71. Affected versionversion=3.1_DP8
  72. Affected versionversion=3.1_DP9
  73. Affected versionversion=3.2
  74. Affected versionversion=3.2.0-FIPS
  75. Affected versionversion=3.2.1
  76. Affected versionversion=3.2.2
  77. Affected versionversion=3.2_DP1
  78. Affected versionversion=3.2_DP2
  79. Affected versionversion=3.2_DP3
  80. Affected versionversion=3.2_DP4
  81. Affected versionversion=3.3.0
  82. Affected versionversion=3.3.0 Update 01
  83. Affected versionversion=3.3.1
  84. Affected versionversion=3.3_DP1
  85. Affected versionversion=3.3_DP2
  86. Affected versionversion=3.3_DP3
  87. Affected versionversion=3.3_DP4
  88. Affected versionversion=3.4.0
  89. Affected versionversion=3.4.1
  90. Affected versionversion=3.4.1 Update 01
  91. Affected versionversion=3.4.1 Update 02
  92. Affected versionversion=3.4.2
  93. Affected versionversion=3.4.2 Update 01
  94. Affected versionversion=3.4_DP1
  95. Affected versionversion=3.4_DP10
  96. Affected versionversion=3.4_DP11
  97. Affected versionversion=3.4_DP2
  98. Affected versionversion=3.4_DP3
  99. Affected versionversion=3.4_DP4
  100. Affected versionversion=3.4_DP5
  101. Affected versionversion=3.4_DP6
  102. Affected versionversion=3.4_DP7
  103. Affected versionversion=3.4_DP8
  104. Affected versionversion=3.4_DP9
  105. Affected versionversion=3.5.0
  106. Affected versionversion=3.5.0 Update 01
  107. Affected versionversion=3.5.0 Update 02
  108. Affected versionversion=3.5.0 Update 03
  109. Affected versionversion=3.5.1
  110. Affected versionversion=3.5.1 Update 01
  111. Affected versionversion=3.5.1 Update 02
  112. Affected versionversion=3.5.1 Update 03
  113. Affected versionversion=3.5_DP1
  114. Affected versionversion=3.5_DP2
  115. Affected versionversion=3.5_DP3
  116. Affected versionversion=3.5_DP4
  117. Affected versionversion=3.6.0
  118. Affected versionversion=3.6.0 Update 01
  119. Affected versionversion=3.6.0 Update 02
  120. Affected versionversion=3.6.0 Update 03
  121. Affected versionversion=3.6.0 Update 04
  122. Affected versionversion=3.6_DP1
  123. Affected versionversion=3.7.0
  124. Affected versionversion=3.7.0 Update 03
  125. Affected versionversion=3.7.1
  126. Affected versionversion=3.7.1 Update 01
  127. Affected versionversion=3.7.1 Update 02
  128. Affected versionversion=3.7.1 Update 03
  129. Affected versionversion=3.7.1 Update 04
  130. Affected versionversion=3.7.1 Update 05
  131. Affected versionversion=3.7.1 Update 06
  132. Affected versionversion=3.7.1 Update 07
  133. Affected versionversion=3.7_DP1
  134. Affected versionversion=3.7_DP2
  135. Affected versionversion=3.8.0
  136. Affected versionversion=3.8.0-FED
  137. Affected versionversion=3.8.0 Update 01
  138. Affected versionversion=3.8.0 Update 02
  139. Affected versionversion=3.8.1
  140. Affected versionversion=3.8.1 Update 01
  141. Affected versionversion=3.8.1 Update 02
  142. Affected versionversion=3.8.1 Update 03
  143. Affected versionversion=3.8.1 Update 04
  144. Affected versionversion=3.8_DP1
  145. Affected versionversion=3.9.0
  146. Affected versionversion=3.9.0 Update 01
  147. Affected versionversion=3.9.1
  148. Affected versionversion=3.9.1 Update 01
  149. Affected versionversion=3.9.1 Update 02
  150. Affected versionversion=3.9.1 Update 03
  151. Affected versionversion=3.9.1 Update 04
  152. Affected versionversion=3.9_DP1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

ClamAV · Cisco Prime Infrastructureversion=2.0.0; version=2.0.10; version=2.0.39; version=2.1; version=2.1.0; version=2.1.1; version=2.1.2; version=2.1.56; version=2.2; version=2.2.0; version=2.2.1; version=2.2.10; version=2.2.1 Update 01; version=2.2.2; version=2.2.2 Update 03; version=2.2.2 Update 04; version=2.2.3; version=2.2.3 Update 02; version=2.2.3 Update 03; version=2.2.3 Update 04; version=2.2.3 Update 05; version=2.2.3 Update 06; version=2.2.4; version=2.2.5; version=2.2.7; version=2.2.8; version=2.2.9; version=3.0.0; version=3.0.1; version=3.0.2; version=3.0.3; version=3.0.4; version=3.0.5; version=3.0.6; version=3.0.7; version=3.10; version=3.1.0; version=3.10.0; version=3.10.1; version=3.10.2; version=3.10.3; version=3.10.4; version=3.10.4 Update 01; version=3.10.4 Update 02; version=3.10.4 Update 03; version=3.10.5; version=3.10.6; version=3.10.6 Security Update 03; version=3.10.6 Update 01; version=3.10.6 Update 02; version=3.10_DP1; version=3.10 Update 01; version=3.1.1; version=3.1.2; version=3.1.3; version=3.1.4; version=3.1.5; version=3.1.6; version=3.1.7; version=3.1_DP10; version=3.1_DP11; version=3.1_DP12; version=3.1_DP13; version=3.1_DP14; version=3.1_DP15; version=3.1_DP16; version=3.1_DP4; version=3.1_DP5; version=3.1_DP6; version=3.1_DP7; version=3.1_DP8; version=3.1_DP9; version=3.2; version=3.2.0-FIPS; version=3.2.1; version=3.2.2; version=3.2_DP1; version=3.2_DP2; version=3.2_DP3; version=3.2_DP4; version=3.3.0; version=3.3.0 Update 01; version=3.3.1; version=3.3_DP1; version=3.3_DP2; version=3.3_DP3; version=3.3_DP4; version=3.4.0; version=3.4.1; version=3.4.1 Update 01; version=3.4.1 Update 02; version=3.4.2; version=3.4.2 Update 01; version=3.4_DP1; version=3.4_DP10; version=3.4_DP11; version=3.4_DP2; version=3.4_DP3; version=3.4_DP4; version=3.4_DP5; version=3.4_DP6; version=3.4_DP7; version=3.4_DP8; version=3.4_DP9; version=3.5.0; version=3.5.0 Update 01; version=3.5.0 Update 02; version=3.5.0 Update 03; version=3.5.1; version=3.5.1 Update 01; version=3.5.1 Update 02; version=3.5.1 Update 03; version=3.5_DP1; version=3.5_DP2; version=3.5_DP3; version=3.5_DP4; version=3.6.0; version=3.6.0 Update 01; version=3.6.0 Update 02; version=3.6.0 Update 03; version=3.6.0 Update 04; version=3.6_DP1; version=3.7.0; version=3.7.0 Update 03; version=3.7.1; version=3.7.1 Update 01; version=3.7.1 Update 02; version=3.7.1 Update 03; version=3.7.1 Update 04; version=3.7.1 Update 05; version=3.7.1 Update 06; version=3.7.1 Update 07; version=3.7_DP1; version=3.7_DP2; version=3.8.0; version=3.8.0-FED; version=3.8.0 Update 01; version=3.8.0 Update 02; version=3.8.1; version=3.8.1 Update 01; version=3.8.1 Update 02; version=3.8.1 Update 03; version=3.8.1 Update 04; version=3.8_DP1; version=3.9.0; version=3.9.0 Update 01; version=3.9.1; version=3.9.1 Update 01; version=3.9.1 Update 02; version=3.9.1 Update 03; version=3.9.1 Update 04; version=3.9_DP1
ClamAV · Cisco Evolved Programmable Network Managerversion=1.1; version=1.2; version=1.2.1.2; version=1.2.2; version=1.2.2.4; version=1.2.3; version=1.2.4; version=1.2.4.2; version=1.2.5; version=1.2.6; version=1.2.7; version=2.0; version=2.0.1; version=2.0.1.1; version=2.0.2; version=2.0.2.1; version=2.0.3; version=2.0.4; version=2.0.4.1; version=2.0.4.2; version=2.1; version=2.1.1; version=2.1.1.1; version=2.1.1.3; version=2.1.1.4; version=2.1.2; version=2.1.2.2; version=2.1.2.3; version=2.1.3; version=2.1.3.2; version=2.1.3.3; version=2.1.3.4; version=2.1.3.5; version=2.1.4; version=2.2; version=2.2.1; version=2.2.1.1; version=2.2.1.2; version=2.2.1.3; version=2.2.1.4; version=2.2.3; version=2.2.4; version=2.2.5; version=3.0; version=3.0.1; version=3.0.2; version=3.0.3; version=3.1; version=3.1.1; version=3.1.2; version=3.1.3; version=4.0; version=4.0.1; version=4.0.2; version=4.0.3; version=4.0.3.1; version=4.1; version=4.1.1; version=4.1.1.1; version=4.1.1.2; version=5.0; version=5.0.1; version=5.0.2; version=5.0.2.1; version=5.0.2.2; version=5.0.2.3; version=5.0.2.4; version=5.0.2.5; version=5.0.2.6; version=5.1; version=5.1.1; version=5.1.2; version=5.1.3; version=5.1.3.1; version=5.1.3.2; version=5.1.4; version=5.1.4.1; version=5.1.4.2; version=5.1.4.3; version=5.1.4.4; version=6.0.0; version=6.0.1; version=6.0.1.1; version=6.0.2; version=6.0.2.1; version=6.0.3; version=6.0.3.1; version=6.1; version=6.1.1; version=6.1.1.1; version=6.1.1.2.2; version=6.1.2; version=6.1.2.1; version=6.1.2.2; version=6.1.2.3; version=7.0.0; version=7.0.1; version=7.0.1.1; version=7.0.1.2; version=7.0.1.3; version=7.1.0; version=7.1.1; version=7.1.2; version=7.1.2.1; version=7.1.3; version=7.1.3.1; version=7.1.4; version=8.0.0; version=8.0.0.1; version=8.0.1; version=8.0.1.1; version=8.1.0; version=8.1.1

Published CVSS scores

4.8Cisco Systems, Inc.CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N/E:X/RL:X/RC:X

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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