CVE-2025-20130Network attack vector

Arbitrary file upload via improperly validated file copy

Published Jun 4, 2025 · Updated Jun 23, 2025

Arbitrary file upload in Cisco Identity Services Engine through 3.3 Patch 2 allows remote authenticated users to write files via its API. The file copy function improperly validates a crafted upload request sent to a specific API endpoint, permitting arbitrary file placement on the device. Administrative privileges are required, and the documented impact is confined to file upload without reported code execution or service interruption.

CVSS severity4.9
Medium
EPSS probability0.51%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Arbitrary file upload in Cisco Identity Services Engine through 3.3 Patch 2 allows remote authenticated users to write files via its API. The file copy function improperly validates a crafted upload request sent to a specific API endpoint, permitting arbitrary file placement on the device. Administrative privileges are required, and the documented impact is confined to file upload without reported code execution or service interruption.

The record

CVE
CVE-2025-20130
Published
Jun 4, 2025
Updated
Jun 23, 2025
Vendor
ClamAV
Product
Cisco Identity Services Engine
Classifications
CWE-284, T1105
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jun 4, 2025CVE publishedPublication date reported by the CVE source.
  2. Jun 23, 2025Record 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=2.7.0 p8
  2. Affected versionversion=3.0.0
  3. Affected versionversion=3.0.0 p1
  4. Affected versionversion=3.0.0 p2
  5. Affected versionversion=3.0.0 p3
  6. Affected versionversion=3.0.0 p4
  7. Affected versionversion=3.0.0 p5
  8. Affected versionversion=3.0.0 p6
  9. Affected versionversion=3.0.0 p7
  10. Affected versionversion=3.0.0 p8
  11. Affected versionversion=3.1.0
  12. Affected versionversion=3.1.0 p1
  13. Affected versionversion=3.1.0 p2
  14. Affected versionversion=3.1.0 p3
  15. Affected versionversion=3.1.0 p4
  16. Affected versionversion=3.1.0 p5
  17. Affected versionversion=3.1.0 p6
  18. Affected versionversion=3.1.0 p7
  19. Affected versionversion=3.1.0 p8
  20. Affected versionversion=3.1.0 p9
  21. Affected versionversion=3.2.0
  22. Affected versionversion=3.2.0 p1
  23. Affected versionversion=3.2.0 p2
  24. Affected versionversion=3.2.0 p3
  25. Affected versionversion=3.2.0 p4
  26. Affected versionversion=3.2.0 p5
  27. Affected versionversion=3.2.0 p6
  28. Affected versionversion=3.3.0
  29. Affected versionversion=3.3 Patch 1
  30. Affected versionversion=3.3 Patch 2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

ClamAV · Cisco Identity Services Engineversion=2.7.0 p8; version=3.0.0; version=3.0.0 p1; version=3.0.0 p2; version=3.0.0 p3; version=3.0.0 p4; version=3.0.0 p5; version=3.0.0 p6; version=3.0.0 p7; version=3.0.0 p8; version=3.1.0; version=3.1.0 p1; version=3.1.0 p2; version=3.1.0 p3; version=3.1.0 p4; version=3.1.0 p5; version=3.1.0 p6; version=3.1.0 p7; version=3.1.0 p8; version=3.1.0 p9; version=3.2.0; version=3.2.0 p1; version=3.2.0 p2; version=3.2.0 p3; version=3.2.0 p4; version=3.2.0 p5; version=3.2.0 p6; version=3.3.0; version=3.3 Patch 1; version=3.3 Patch 2

Published CVSS scores

4.9CiscoCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/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-284Improper Access Control
T1105Ingress Tool Transfer

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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