CVE-2022-20853Network attack vector

Device reload via REST API request forgery

Published Nov 15, 2024 · Updated Nov 15, 2024

Cross-site request forgery in Cisco Expressway Series and TelePresence VCS before 14.0.9 allows remote attackers to reload systems. The web management interface accepts a crafted REST API request without adequate anti-CSRF validation. Exploitation requires an authenticated REST API user to follow the crafted link; the forced reload interrupts service without reported data exposure or modification.

CVSS severity7.4
High
EPSS probability0.64%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site request forgery in Cisco Expressway Series and TelePresence VCS before 14.0.9 allows remote attackers to reload systems. The web management interface accepts a crafted REST API request without adequate anti-CSRF validation. Exploitation requires an authenticated REST API user to follow the crafted link; the forced reload interrupts service without reported data exposure or modification.

The record

CVE
CVE-2022-20853
Published
Nov 15, 2024
Updated
Nov 15, 2024
Vendor
ClamAV
Product
Cisco TelePresence Video Communication Server (VCS)
Classifications
CWE-352, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 15, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 15, 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=x12.5.0
  2. Affected versionversion=x12.5.1
  3. Affected versionversion=x12.5.2
  4. Affected versionversion=x12.5.3
  5. Affected versionversion=x12.5.4
  6. Affected versionversion=x12.5.5
  7. Affected versionversion=x12.5.6
  8. Affected versionversion=x12.5.7
  9. Affected versionversion=x12.5.8
  10. Affected versionversion=x12.5.9
  11. Affected versionversion=x12.6.0
  12. Affected versionversion=x12.6.1
  13. Affected versionversion=x12.6.2
  14. Affected versionversion=x12.6.3
  15. Affected versionversion=x12.6.4
  16. Affected versionversion=x12.7.0
  17. Affected versionversion=x12.7.1
  18. Affected versionversion=x14.0.0
  19. Affected versionversion=x14.0.1
  20. Affected versionversion=x14.0.2
  21. Affected versionversion=x14.0.3
  22. Affected versionversion=x14.0.4
  23. Affected versionversion=x14.0.5
  24. Affected versionversion=x14.0.6
  25. Affected versionversion=x14.0.7
  26. Affected versionversion=x14.0.8
  27. Affected versionversion=x8.1
  28. Affected versionversion=x8.10.0
  29. Affected versionversion=x8.10.1
  30. Affected versionversion=x8.10.2
  31. Affected versionversion=x8.10.3
  32. Affected versionversion=x8.10.4
  33. Affected versionversion=x8.1.1
  34. Affected versionversion=x8.11.0
  35. Affected versionversion=x8.11.1
  36. Affected versionversion=x8.11.2
  37. Affected versionversion=x8.11.3
  38. Affected versionversion=x8.11.4
  39. Affected versionversion=x8.1.2
  40. Affected versionversion=x8.2
  41. Affected versionversion=x8.2.1
  42. Affected versionversion=x8.2.2
  43. Affected versionversion=x8.5
  44. Affected versionversion=x8.5.1
  45. Affected versionversion=x8.5.2
  46. Affected versionversion=x8.5.3
  47. Affected versionversion=x8.6
  48. Affected versionversion=x8.6.1
  49. Affected versionversion=x8.7
  50. Affected versionversion=x8.7.1
  51. Affected versionversion=x8.7.2
  52. Affected versionversion=x8.7.3
  53. Affected versionversion=x8.8
  54. Affected versionversion=x8.8.1
  55. Affected versionversion=x8.8.2
  56. Affected versionversion=x8.8.3
  57. Affected versionversion=x8.9
  58. Affected versionversion=x8.9.1
  59. Affected versionversion=x8.9.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

ClamAV · Cisco TelePresence Video Communication Server (VCS)version=x12.5.0; version=x12.5.1; version=x12.5.2; version=x12.5.3; version=x12.5.4; version=x12.5.5; version=x12.5.6; version=x12.5.7; version=x12.5.8; version=x12.5.9; version=x12.6.0; version=x12.6.1; version=x12.6.2; version=x12.6.3; version=x12.6.4; version=x12.7.0; version=x12.7.1; version=x14.0.0; version=x14.0.1; version=x14.0.2; version=x14.0.3; version=x14.0.4; version=x14.0.5; version=x14.0.6; version=x14.0.7; version=x14.0.8; version=x8.1; version=x8.10.0; version=x8.10.1; version=x8.10.2; version=x8.10.3; version=x8.10.4; version=x8.1.1; version=x8.11.0; version=x8.11.1; version=x8.11.2; version=x8.11.3; version=x8.11.4; version=x8.1.2; version=x8.2; version=x8.2.1; version=x8.2.2; version=x8.5; version=x8.5.1; version=x8.5.2; version=x8.5.3; version=x8.6; version=x8.6.1; version=x8.7; version=x8.7.1; version=x8.7.2; version=x8.7.3; version=x8.8; version=x8.8.1; version=x8.8.2; version=x8.8.3; version=x8.9; version=x8.9.1; version=x8.9.2
ClamAV · Cisco TelePresence Video Communication Server (VCS) Expresswayversion=X12.5.0; version=X12.5.1; version=X12.5.2; version=X12.5.3; version=X12.5.4; version=X12.5.5; version=X12.5.6; version=X12.5.7; version=X12.5.8; version=X12.5.9; version=X12.6.0; version=X12.6.1; version=X12.6.2; version=X12.6.3; version=X12.6.4; version=X12.7.0; version=X12.7.1; version=X14.0.0; version=X14.0.1; version=X14.0.2; version=X14.0.3; version=X14.0.4; version=X14.0.5; version=X14.0.6; version=X14.0.7; version=X14.0.8; version=X8.1; version=X8.10.0; version=X8.10.1; version=X8.10.2; version=X8.10.3; version=X8.10.4; version=X8.1.1; version=X8.11.0; version=X8.11.1; version=X8.11.2; version=X8.11.3; version=X8.11.4; version=X8.1.2; version=X8.2; version=X8.2.1; version=X8.2.2; version=X8.5; version=X8.5.1; version=X8.5.2; version=X8.5.3; version=X8.6; version=X8.6.1; version=X8.7; version=X8.7.1; version=X8.7.2; version=X8.7.3; version=X8.8; version=X8.8.1; version=X8.8.2; version=X8.8.3; version=X8.9; version=X8.9.1; version=X8.9.2

Published CVSS scores

7.4CiscoCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H

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 exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)
T1499.004Application or System Exploitation

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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