CVE-2024-20457Network attack vector

Credential disclosure via clear-text log storage

Published Nov 6, 2024 · Updated Nov 6, 2024

Credential exposure in Cisco Unified CM IM & Presence Service 15SU1 and earlier allows remote authenticated users to read credentials in logs. The logging component writes credentials without encryption into certain log files rather than protecting their clear-text values. Exploitation requires authenticated access to those logs and exposes credentials the account normally cannot access.

CVSS severity6.5
Medium
EPSS probability0.44%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Credential exposure in Cisco Unified CM IM & Presence Service 15SU1 and earlier allows remote authenticated users to read credentials in logs. The logging component writes credentials without encryption into certain log files rather than protecting their clear-text values. Exploitation requires authenticated access to those logs and exposes credentials the account normally cannot access.

The record

CVE
CVE-2024-20457
Published
Nov 6, 2024
Updated
Nov 6, 2024
Vendor
ClamAV
Product
Cisco Unified Communications Manager IM and Presence Service
Classifications
CWE-200, T1552.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 6, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 6, 2024Record 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=10.0(1)
  2. Affected versionversion=10.0(1)SU1
  3. Affected versionversion=10.0(1)SU2
  4. Affected versionversion=10.5(1)
  5. Affected versionversion=10.5(1)SU1
  6. Affected versionversion=10.5(1)SU2
  7. Affected versionversion=10.5(1)SU3
  8. Affected versionversion=10.5(2)
  9. Affected versionversion=10.5(2a)
  10. Affected versionversion=10.5(2b)
  11. Affected versionversion=10.5(2)SU1
  12. Affected versionversion=10.5(2)SU2
  13. Affected versionversion=10.5(2)SU2a
  14. Affected versionversion=10.5(2)SU3
  15. Affected versionversion=10.5(2)SU4
  16. Affected versionversion=10.5(2)SU4a
  17. Affected versionversion=11.0
  18. Affected versionversion=11.0(1)
  19. Affected versionversion=11.0(1)SU1
  20. Affected versionversion=11.5(1)
  21. Affected versionversion=11.5(1)SU1
  22. Affected versionversion=11.5(1)SU10
  23. Affected versionversion=11.5(1)SU11
  24. Affected versionversion=11.5(1)SU2
  25. Affected versionversion=11.5(1)SU3
  26. Affected versionversion=11.5(1)SU3a
  27. Affected versionversion=11.5(1)SU4
  28. Affected versionversion=11.5(1)SU5
  29. Affected versionversion=11.5(1)SU5a
  30. Affected versionversion=11.5(1)SU6
  31. Affected versionversion=11.5(1)SU7
  32. Affected versionversion=11.5(1)SU8
  33. Affected versionversion=11.5(1)SU9
  34. Affected versionversion=12.5(1)
  35. Affected versionversion=12.5(1)SU1
  36. Affected versionversion=12.5(1)SU2
  37. Affected versionversion=12.5(1)SU3
  38. Affected versionversion=12.5(1)SU4
  39. Affected versionversion=12.5(1)SU5
  40. Affected versionversion=12.5(1)SU6
  41. Affected versionversion=12.5(1)SU7
  42. Affected versionversion=12.5(1)SU8
  43. Affected versionversion=14
  44. Affected versionversion=14SU1
  45. Affected versionversion=14SU2
  46. Affected versionversion=14SU2a
  47. Affected versionversion=14SU3
  48. Affected versionversion=14SU4
  49. Affected versionversion=15
  50. Affected versionversion=15SU1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

ClamAV · Cisco Unified Communications Manager IM and Presence Serviceversion=10.0(1); version=10.0(1)SU1; version=10.0(1)SU2; version=10.5(1); version=10.5(1)SU1; version=10.5(1)SU2; version=10.5(1)SU3; version=10.5(2); version=10.5(2a); version=10.5(2b); version=10.5(2)SU1; version=10.5(2)SU2; version=10.5(2)SU2a; version=10.5(2)SU3; version=10.5(2)SU4; version=10.5(2)SU4a; version=11.0; version=11.0(1); version=11.0(1)SU1; version=11.5(1); version=11.5(1)SU1; version=11.5(1)SU10; version=11.5(1)SU11; version=11.5(1)SU2; version=11.5(1)SU3; version=11.5(1)SU3a; version=11.5(1)SU4; version=11.5(1)SU5; version=11.5(1)SU5a; version=11.5(1)SU6; version=11.5(1)SU7; version=11.5(1)SU8; version=11.5(1)SU9; version=12.5(1); version=12.5(1)SU1; version=12.5(1)SU2; version=12.5(1)SU3; version=12.5(1)SU4; version=12.5(1)SU5; version=12.5(1)SU6; version=12.5(1)SU7; version=12.5(1)SU8; version=14; version=14SU1; version=14SU2; version=14SU2a; version=14SU3; version=14SU4; version=15; version=15SU1

Published CVSS scores

6.5Cisco Systems, Inc.CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1552.001Unsecured Credentials: Credentials 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.

Technologies

Your stack

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Your stack

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