CVE-2022-20938Network attack vector

Authenticated data disclosure via module-import XXE

Published Nov 10, 2022 · Updated Oct 25, 2024

XML external entity injection in Cisco Firepower Management Center Software allows remote authenticated users to read sensitive data. The administrative interface's module import function insufficiently validates XML syntax, allowing a crafted XML file to resolve external entities and disclose data accessible to the parser. Exploitation requires authenticated administrative access and yields disclosure without reported data modification or service interruption.

CVSS severity4.3
Medium
EPSS probability0.56%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

XML external entity injection in Cisco Firepower Management Center Software allows remote authenticated users to read sensitive data. The administrative interface's module import function insufficiently validates XML syntax, allowing a crafted XML file to resolve external entities and disclose data accessible to the parser. Exploitation requires authenticated administrative access and yields disclosure without reported data modification or service interruption.

The record

CVE
CVE-2022-20938
Published
Nov 10, 2022
Updated
Oct 25, 2024
Vendor
ClamAV
Product
Cisco Firepower Management Center
Classifications
CWE-611, T1005
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 10, 2022CVE publishedPublication date reported by the CVE source.
  2. Oct 25, 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=6.2.3
  2. Affected versionversion=6.2.3.1
  3. Affected versionversion=6.2.3.10
  4. Affected versionversion=6.2.3.11
  5. Affected versionversion=6.2.3.12
  6. Affected versionversion=6.2.3.13
  7. Affected versionversion=6.2.3.14
  8. Affected versionversion=6.2.3.15
  9. Affected versionversion=6.2.3.16
  10. Affected versionversion=6.2.3.17
  11. Affected versionversion=6.2.3.18
  12. Affected versionversion=6.2.3.2
  13. Affected versionversion=6.2.3.3
  14. Affected versionversion=6.2.3.4
  15. Affected versionversion=6.2.3.5
  16. Affected versionversion=6.2.3.6
  17. Affected versionversion=6.2.3.7
  18. Affected versionversion=6.2.3.8
  19. Affected versionversion=6.2.3.9
  20. Affected versionversion=6.4.0
  21. Affected versionversion=6.4.0.1
  22. Affected versionversion=6.4.0.10
  23. Affected versionversion=6.4.0.11
  24. Affected versionversion=6.4.0.12
  25. Affected versionversion=6.4.0.13
  26. Affected versionversion=6.4.0.14
  27. Affected versionversion=6.4.0.15
  28. Affected versionversion=6.4.0.2
  29. Affected versionversion=6.4.0.3
  30. Affected versionversion=6.4.0.4
  31. Affected versionversion=6.4.0.5
  32. Affected versionversion=6.4.0.6
  33. Affected versionversion=6.4.0.7
  34. Affected versionversion=6.4.0.8
  35. Affected versionversion=6.4.0.9
  36. Affected versionversion=6.6.0
  37. Affected versionversion=6.6.0.1
  38. Affected versionversion=6.6.1
  39. Affected versionversion=6.6.3
  40. Affected versionversion=6.6.4
  41. Affected versionversion=6.6.5
  42. Affected versionversion=6.6.5.1
  43. Affected versionversion=6.6.5.2
  44. Affected versionversion=6.7.0
  45. Affected versionversion=6.7.0.1
  46. Affected versionversion=6.7.0.2
  47. Affected versionversion=6.7.0.3
  48. Affected versionversion=7.0.0
  49. Affected versionversion=7.0.0.1
  50. Affected versionversion=7.0.1
  51. Affected versionversion=7.0.1.1
  52. Affected versionversion=7.0.2
  53. Affected versionversion=7.0.2.1
  54. Affected versionversion=7.0.3
  55. Affected versionversion=7.0.4
  56. Affected versionversion=7.1.0
  57. Affected versionversion=7.1.0.1
  58. Affected versionversion=7.1.0.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

ClamAV · Cisco Firepower Management Centerversion=6.2.3; version=6.2.3.1; version=6.2.3.10; version=6.2.3.11; version=6.2.3.12; version=6.2.3.13; version=6.2.3.14; version=6.2.3.15; version=6.2.3.16; version=6.2.3.17; version=6.2.3.18; version=6.2.3.2; version=6.2.3.3; version=6.2.3.4; version=6.2.3.5; version=6.2.3.6; version=6.2.3.7; version=6.2.3.8; version=6.2.3.9; version=6.4.0; version=6.4.0.1; version=6.4.0.10; version=6.4.0.11; version=6.4.0.12; version=6.4.0.13; version=6.4.0.14; version=6.4.0.15; version=6.4.0.2; version=6.4.0.3; version=6.4.0.4; version=6.4.0.5; version=6.4.0.6; version=6.4.0.7; version=6.4.0.8; version=6.4.0.9; version=6.6.0; version=6.6.0.1; version=6.6.1; version=6.6.3; version=6.6.4; version=6.6.5; version=6.6.5.1; version=6.6.5.2; version=6.7.0; version=6.7.0.1; version=6.7.0.2; version=6.7.0.3; 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=7.1.0; version=7.1.0.1; version=7.1.0.2

Published CVSS scores

4.3CiscoCVSS:3.1/AV:N/AC:L/PR:L/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-611Improper Restriction of XML External Entity Reference
T1005Data from Local System

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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