CVE-2026-20128Known exploitationNetwork attack vector

DCA privilege acquisition via unauthenticated credential-file read

Published Feb 25, 2026 · Updated Feb 25, 2026

Information disclosure in affected Cisco Catalyst SD-WAN Manager releases allows remote attackers to obtain DCA privileges via HTTP. The DCA feature exposes its recoverable password file at /reports/data/opt/data/containers/config/data-collection-agent/.dca to a crafted GET request without authentication. No credentials, user interaction, or special configuration is required, and the recovered password grants DCA access to another affected system.

CVSS severity7.5
High
EPSS probability6.94%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in affected Cisco Catalyst SD-WAN Manager releases allows remote attackers to obtain DCA privileges via HTTP. The DCA feature exposes its recoverable password file at /reports/data/opt/data/containers/config/data-collection-agent/.dca to a crafted GET request without authentication. No credentials, user interaction, or special configuration is required, and the recovered password grants DCA access to another affected system.

The record

CVE
CVE-2026-20128
Published
Feb 25, 2026
Updated
Feb 25, 2026
Vendor
ClamAV
Product
Cisco Catalyst SD-WAN Manager
Classifications
CWE-257, T1190, T1552.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 25, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 25, 2026Record updatedLatest update available in the CVE record.
  3. Apr 20, 2026Exploitation reportedCISA Known Exploited Vulnerabilities Catalog entry

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=17.2.10
  2. Affected versionversion=17.2.5
  3. Affected versionversion=17.2.6
  4. Affected versionversion=17.2.7
  5. Affected versionversion=17.2.8
  6. Affected versionversion=17.2.9
  7. Affected versionversion=18.2.0
  8. Affected versionversion=18.3.0
  9. Affected versionversion=18.3.1
  10. Affected versionversion=18.3.1.1
  11. Affected versionversion=18.3.3
  12. Affected versionversion=18.3.3.1
  13. Affected versionversion=18.3.4
  14. Affected versionversion=18.3.5
  15. Affected versionversion=18.3.6
  16. Affected versionversion=18.3.6.1
  17. Affected versionversion=18.3.7
  18. Affected versionversion=18.3.8
  19. Affected versionversion=18.4.0
  20. Affected versionversion=18.4.0.1
  21. Affected versionversion=18.4.1
  22. Affected versionversion=18.4.3
  23. Affected versionversion=18.4.302
  24. Affected versionversion=18.4.303
  25. Affected versionversion=18.4.4
  26. Affected versionversion=18.4.5
  27. Affected versionversion=18.4.501_ES
  28. Affected versionversion=18.4.6
  29. Affected versionversion=19.0.0
  30. Affected versionversion=19.0.1a
  31. Affected versionversion=19.1.0
  32. Affected versionversion=19.2.0
  33. Affected versionversion=19.2.097
  34. Affected versionversion=19.2.098
  35. Affected versionversion=19.2.099
  36. Affected versionversion=19.2.1
  37. Affected versionversion=19.2.2
  38. Affected versionversion=19.2.3
  39. Affected versionversion=19.2.31
  40. Affected versionversion=19.2.32
  41. Affected versionversion=19.2.4
  42. Affected versionversion=19.2.4.0.1
  43. Affected versionversion=19.2.4.0.8
  44. Affected versionversion=19.2.4.0.9
  45. Affected versionversion=19.2.929
  46. Affected versionversion=19.3.0
  47. Affected versionversion=20.1.1
  48. Affected versionversion=20.1.1.1
  49. Affected versionversion=20.1.12
  50. Affected versionversion=20.1.2
  51. Affected versionversion=20.12.501
  52. Affected versionversion=20.1.3
  53. Affected versionversion=20.1.3.1
  54. Affected versionversion=20.3.1
  55. Affected versionversion=20.3.2
  56. Affected versionversion=20.3.2.0.5
  57. Affected versionversion=20.3.2.0.6
  58. Affected versionversion=20.3.2.1
  59. Affected versionversion=20.3.2.1_927
  60. Affected versionversion=20.3.2.1_930
  61. Affected versionversion=20.3.2_928
  62. Affected versionversion=20.3.2_929
  63. Affected versionversion=20.3.2_937
  64. Affected versionversion=20.3.3
  65. Affected versionversion=20.3.3.0.14
  66. Affected versionversion=20.3.3.0.16
  67. Affected versionversion=20.3.3.0.18
  68. Affected versionversion=20.3.3.0.2
  69. Affected versionversion=20.3.3.0.4
  70. Affected versionversion=20.3.3.0.8
  71. Affected versionversion=20.3.3.1.1
  72. Affected versionversion=20.3.3.1.10
  73. Affected versionversion=20.3.3.1.2
  74. Affected versionversion=20.3.3.1.5
  75. Affected versionversion=20.3.3.1.7
  76. Affected versionversion=20.3.3.2
  77. Affected versionversion=20.3.4
  78. Affected versionversion=20.3.4.0.1
  79. Affected versionversion=20.3.4.0.11
  80. Affected versionversion=20.3.4.0.19
  81. Affected versionversion=20.3.4.0.20
  82. Affected versionversion=20.3.4.0.24
  83. Affected versionversion=20.3.4.0.25
  84. Affected versionversion=20.3.4.0.6
  85. Affected versionversion=20.3.4.0.9
  86. Affected versionversion=20.3.4.1
  87. Affected versionversion=20.3.4.1.1
  88. Affected versionversion=20.3.4.1.2
  89. Affected versionversion=20.3.4.2.1
  90. Affected versionversion=20.3.4.2.2
  91. Affected versionversion=20.3.4.3
  92. Affected versionversion=20.3.5.0.7
  93. Affected versionversion=20.3.5.0.8
  94. Affected versionversion=20.3.5.0.9
  95. Affected versionversion=20.3.5.1
  96. Affected versionversion=20.3.6
  97. Affected versionversion=20.3.7
  98. Affected versionversion=20.3.7.1
  99. Affected versionversion=20.3.8
  100. Affected versionversion=20.3.813
  101. Affected versionversion=20.3.814
  102. Affected versionversion=20.4.1.0.02
  103. Affected versionversion=20.4.1.0.1
  104. Affected versionversion=20.4.1.1
  105. Affected versionversion=20.4.1.1.5
  106. Affected versionversion=20.4.1.2
  107. Affected versionversion=20.4.2
  108. Affected versionversion=20.4.2.0.2
  109. Affected versionversion=20.4.2.1
  110. Affected versionversion=20.4.2.1.1
  111. Affected versionversion=20.4.2.2
  112. Affected versionversion=20.4.2.2.1
  113. Affected versionversion=20.4.2.2.2
  114. Affected versionversion=20.4.2.2.4
  115. Affected versionversion=20.4.2.3
  116. Affected versionversion=20.5.0.1.1
  117. Affected versionversion=20.5.1
  118. Affected versionversion=20.5.1.0.1
  119. Affected versionversion=20.5.1.0.2
  120. Affected versionversion=20.5.1.2
  121. Affected versionversion=20.6.0.18.3
  122. Affected versionversion=20.6.0.18.4
  123. Affected versionversion=20.6.1.0.1
  124. Affected versionversion=20.6.1.1
  125. Affected versionversion=20.6.1.2
  126. Affected versionversion=20.6.2.0.4
  127. Affected versionversion=20.6.2.1
  128. Affected versionversion=20.6.2.2
  129. Affected versionversion=20.6.2.2.3
  130. Affected versionversion=20.6.2.2.4
  131. Affected versionversion=20.6.2.2.7
  132. Affected versionversion=20.6.3.0.2
  133. Affected versionversion=20.6.5.1.4
  134. Affected versionversion=20.7.1EFT2
  135. Affected versionversion=20.9.1EFT2
  136. Affected versionversion=26.1.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

ClamAV · Cisco Catalyst SD-WAN Managerversion=17.2.10; version=17.2.5; version=17.2.6; version=17.2.7; version=17.2.8; version=17.2.9; version=18.2.0; version=18.3.0; version=18.3.1; version=18.3.1.1; version=18.3.3; version=18.3.3.1; version=18.3.4; version=18.3.5; version=18.3.6; version=18.3.6.1; version=18.3.7; version=18.3.8; version=18.4.0; version=18.4.0.1; version=18.4.1; version=18.4.3; version=18.4.302; version=18.4.303; version=18.4.4; version=18.4.5; version=18.4.501_ES; version=18.4.6; version=19.0.0; version=19.0.1a; version=19.1.0; version=19.2.0; version=19.2.097; version=19.2.098; version=19.2.099; version=19.2.1; version=19.2.2; version=19.2.3; version=19.2.31; version=19.2.32; version=19.2.4; version=19.2.4.0.1; version=19.2.4.0.8; version=19.2.4.0.9; version=19.2.929; version=19.3.0; version=20.1.1; version=20.1.1.1; version=20.1.12; version=20.1.2; version=20.12.501; version=20.1.3; version=20.1.3.1; version=20.3.1; version=20.3.2; version=20.3.2.0.5; version=20.3.2.0.6; version=20.3.2.1; version=20.3.2.1_927; version=20.3.2.1_930; version=20.3.2_928; version=20.3.2_929; version=20.3.2_937; version=20.3.3; version=20.3.3.0.14; version=20.3.3.0.16; version=20.3.3.0.18; version=20.3.3.0.2; version=20.3.3.0.4; version=20.3.3.0.8; version=20.3.3.1.1; version=20.3.3.1.10; version=20.3.3.1.2; version=20.3.3.1.5; version=20.3.3.1.7; version=20.3.3.2; version=20.3.4; version=20.3.4.0.1; version=20.3.4.0.11; version=20.3.4.0.19; version=20.3.4.0.20; version=20.3.4.0.24; version=20.3.4.0.25; version=20.3.4.0.6; version=20.3.4.0.9; version=20.3.4.1; version=20.3.4.1.1; version=20.3.4.1.2; version=20.3.4.2.1; version=20.3.4.2.2; version=20.3.4.3; version=20.3.5.0.7; version=20.3.5.0.8; version=20.3.5.0.9; version=20.3.5.1; version=20.3.6; version=20.3.7; version=20.3.7.1; version=20.3.8; version=20.3.813; version=20.3.814; version=20.4.1.0.02; version=20.4.1.0.1; version=20.4.1.1; version=20.4.1.1.5; version=20.4.1.2; version=20.4.2; version=20.4.2.0.2; version=20.4.2.1; version=20.4.2.1.1; version=20.4.2.2; version=20.4.2.2.1; version=20.4.2.2.2; version=20.4.2.2.4; version=20.4.2.3; version=20.5.0.1.1; version=20.5.1; version=20.5.1.0.1; version=20.5.1.0.2; version=20.5.1.2; version=20.6.0.18.3; version=20.6.0.18.4; version=20.6.1.0.1; version=20.6.1.1; version=20.6.1.2; version=20.6.2.0.4; version=20.6.2.1; version=20.6.2.2; version=20.6.2.2.3; version=20.6.2.2.4; version=20.6.2.2.7; version=20.6.3.0.2; version=20.6.5.1.4; version=20.7.1EFT2; version=20.9.1EFT2; version=26.1.1

Published CVSS scores

7.5Cisco Systems, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationReported
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-257Storing Passwords in a Recoverable Format
T1190Exploit Public-Facing Application
T1552.001Credentials In Files

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.

Reported exploitation

Technologies

Your stack

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Your stack

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