CVE-2026-20316Known exploitationNetwork attack vector

Sensitive-data access via static low-privilege credentials

Published Jul 29, 2026 · Updated Jul 29, 2026

Static credentials in affected Cisco Secure Firewall Management Center releases allow remote attackers to access sensitive data. The web interface authenticates a low-privileged account with credentials embedded in affected releases, permitting login without prior account enrollment. Network reachability to the management interface is required, and successful access is limited to data available to that low-privileged account.

CVSS severity5.3
Medium
EPSS probability11.15%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Static credentials in affected Cisco Secure Firewall Management Center releases allow remote attackers to access sensitive data. The web interface authenticates a low-privileged account with credentials embedded in affected releases, permitting login without prior account enrollment. Network reachability to the management interface is required, and successful access is limited to data available to that low-privileged account.

The record

CVE
CVE-2026-20316
Published
Jul 29, 2026
Updated
Jul 29, 2026
Vendor
ClamAV
Product
Cisco Secure Firewall Management Center
Classifications
CWE-259, T1078
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 29, 2026Exploitation reportedCISA Known Exploited Vulnerabilities catalog entry
  2. Jul 29, 2026CVE publishedPublication date reported by the CVE source.
  3. Jul 29, 2026Record updatedLatest update available in the CVE record.

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=10.0.0
  2. Affected versionversion=10.0.1
  3. Affected versionversion=7.0.0
  4. Affected versionversion=7.0.0.1
  5. Affected versionversion=7.0.1
  6. Affected versionversion=7.0.1.1
  7. Affected versionversion=7.0.2
  8. Affected versionversion=7.0.2.1
  9. Affected versionversion=7.0.3
  10. Affected versionversion=7.0.4
  11. Affected versionversion=7.0.5
  12. Affected versionversion=7.0.6
  13. Affected versionversion=7.0.6.1
  14. Affected versionversion=7.0.6.2
  15. Affected versionversion=7.0.6.3
  16. Affected versionversion=7.0.7
  17. Affected versionversion=7.0.8
  18. Affected versionversion=7.0.8.1
  19. Affected versionversion=7.0.9
  20. Affected versionversion=7.2.0
  21. Affected versionversion=7.2.0.1
  22. Affected versionversion=7.2.1
  23. Affected versionversion=7.2.10
  24. Affected versionversion=7.2.10.1
  25. Affected versionversion=7.2.10.2
  26. Affected versionversion=7.2.11
  27. Affected versionversion=7.2.2
  28. Affected versionversion=7.2.3
  29. Affected versionversion=7.2.3.1
  30. Affected versionversion=7.2.4
  31. Affected versionversion=7.2.4.1
  32. Affected versionversion=7.2.5
  33. Affected versionversion=7.2.5.1
  34. Affected versionversion=7.2.5.2
  35. Affected versionversion=7.2.6
  36. Affected versionversion=7.2.7
  37. Affected versionversion=7.2.8
  38. Affected versionversion=7.2.8.1
  39. Affected versionversion=7.2.9
  40. Affected versionversion=7.3.0
  41. Affected versionversion=7.3.1
  42. Affected versionversion=7.3.1.1
  43. Affected versionversion=7.3.1.2
  44. Affected versionversion=7.4.0
  45. Affected versionversion=7.4.1
  46. Affected versionversion=7.4.1.1
  47. Affected versionversion=7.4.2
  48. Affected versionversion=7.4.2.1
  49. Affected versionversion=7.4.2.2
  50. Affected versionversion=7.4.2.3
  51. Affected versionversion=7.4.2.4
  52. Affected versionversion=7.4.3
  53. Affected versionversion=7.4.4
  54. Affected versionversion=7.4.5
  55. Affected versionversion=7.4.6
  56. Affected versionversion=7.4.7
  57. Affected versionversion=7.6.0
  58. Affected versionversion=7.6.1
  59. Affected versionversion=7.6.2
  60. Affected versionversion=7.6.2.1
  61. Affected versionversion=7.6.4
  62. Affected versionversion=7.6.5
  63. Affected versionversion=7.7.0
  64. Affected versionversion=7.7.10
  65. Affected versionversion=7.7.10.1
  66. Affected versionversion=7.7.11
  67. Affected versionversion=7.7.12

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

ClamAV · Cisco Secure Firewall Management Centerversion=10.0.0; version=10.0.1; version=7.0.0; version=7.0.0.1; version=7.0.1; version=7.0.1.1; version=7.0.2; version=7.0.2.1; version=7.0.3; version=7.0.4; version=7.0.5; version=7.0.6; version=7.0.6.1; version=7.0.6.2; version=7.0.6.3; version=7.0.7; version=7.0.8; version=7.0.8.1; version=7.0.9; version=7.2.0; version=7.2.0.1; version=7.2.1; version=7.2.10; version=7.2.10.1; version=7.2.10.2; version=7.2.11; version=7.2.2; version=7.2.3; version=7.2.3.1; version=7.2.4; version=7.2.4.1; version=7.2.5; version=7.2.5.1; version=7.2.5.2; version=7.2.6; version=7.2.7; version=7.2.8; version=7.2.8.1; version=7.2.9; version=7.3.0; version=7.3.1; version=7.3.1.1; version=7.3.1.2; version=7.4.0; version=7.4.1; version=7.4.1.1; version=7.4.2; version=7.4.2.1; version=7.4.2.2; version=7.4.2.3; version=7.4.2.4; version=7.4.3; version=7.4.4; version=7.4.5; version=7.4.6; version=7.4.7; version=7.6.0; version=7.6.1; version=7.6.2; version=7.6.2.1; version=7.6.4; version=7.6.5; version=7.7.0; version=7.7.10; version=7.7.10.1; version=7.7.11; version=7.7.12

Published CVSS scores

5.3Cisco Systems, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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
Privilegesunauthenticated
Known exploitationReported
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-259Use of Hard-coded Password
T1078Valid Accounts

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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