CVE-2025-20211Network attack vector

Browser script execution via unvalidated link input

Published Feb 19, 2025 · Updated Feb 19, 2025

Cross-site scripting in Cisco BroadWorks Application Delivery Platform allows remote attackers to run script in an interface user's browser. The web-based management interface fails to validate user-supplied input embedded in a crafted link before returning it to the browser. Exploitation requires the user to click the link and can expose browser-based information or let the script act within the affected interface.

CVSS severity6.1
Medium
EPSS probability0.31%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in Cisco BroadWorks Application Delivery Platform allows remote attackers to run script in an interface user's browser. The web-based management interface fails to validate user-supplied input embedded in a crafted link before returning it to the browser. Exploitation requires the user to click the link and can expose browser-based information or let the script act within the affected interface.

The record

CVE
CVE-2025-20211
Published
Feb 19, 2025
Updated
Feb 19, 2025
Vendor
ClamAV
Product
Cisco BroadWorks
Classifications
CWE-79, T1566.002
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 19, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 19, 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=22.0
  2. Affected versionversion=23.0
  3. Affected versionversion=24.0
  4. Affected versionversion=25.0
  5. Affected versionversion=26.0
  6. Affected versionversion=RI.2020.09
  7. Affected versionversion=RI.2021.02
  8. Affected versionversion=RI.2021.08
  9. Affected versionversion=RI.2021.09
  10. Affected versionversion=RI.2021.10
  11. Affected versionversion=RI.2021.11
  12. Affected versionversion=RI.2021.12
  13. Affected versionversion=RI.2022.02
  14. Affected versionversion=RI.2022.03
  15. Affected versionversion=RI.2022.04
  16. Affected versionversion=RI.2022.05
  17. Affected versionversion=RI.2022.06
  18. Affected versionversion=RI.2022.07
  19. Affected versionversion=RI.2022.08
  20. Affected versionversion=RI.2022.09
  21. Affected versionversion=RI.2022.10
  22. Affected versionversion=RI.2022.12
  23. Affected versionversion=RI.2023.01
  24. Affected versionversion=RI.2023.02
  25. Affected versionversion=RI.2023.03
  26. Affected versionversion=RI.2023.04
  27. Affected versionversion=RI.2023.05
  28. Affected versionversion=RI.2023.07
  29. Affected versionversion=RI.2023.08
  30. Affected versionversion=RI.2023.09
  31. Affected versionversion=RI.2023.10
  32. Affected versionversion=RI.2023.11
  33. Affected versionversion=RI.2023.12
  34. Affected versionversion=RI.2024.01
  35. Affected versionversion=RI.2024.02
  36. Affected versionversion=RI.2024.03
  37. Affected versionversion=RI.2024.04
  38. Affected versionversion=RI.2024.05
  39. Affected versionversion=RI.2024.06
  40. Affected versionversion=RI.2024.07
  41. Affected versionversion=RI.2024.08
  42. Affected versionversion=RI.2024.09
  43. Affected versionversion=RI.2024.10
  44. Affected versionversion=RI.2024.11
  45. Affected versionversion=RI.2024.12

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

ClamAV · Cisco BroadWorksversion=22.0; version=23.0; version=24.0; version=25.0; version=26.0; version=RI.2020.09; version=RI.2021.02; version=RI.2021.08; version=RI.2021.09; version=RI.2021.10; version=RI.2021.11; version=RI.2021.12; version=RI.2022.02; version=RI.2022.03; version=RI.2022.04; version=RI.2022.05; version=RI.2022.06; version=RI.2022.07; version=RI.2022.08; version=RI.2022.09; version=RI.2022.10; version=RI.2022.12; version=RI.2023.01; version=RI.2023.02; version=RI.2023.03; version=RI.2023.04; version=RI.2023.05; version=RI.2023.07; version=RI.2023.08; version=RI.2023.09; version=RI.2023.10; version=RI.2023.11; version=RI.2023.12; version=RI.2024.01; version=RI.2024.02; version=RI.2024.03; version=RI.2024.04; version=RI.2024.05; version=RI.2024.06; version=RI.2024.07; version=RI.2024.08; version=RI.2024.09; version=RI.2024.10; version=RI.2024.11; version=RI.2024.12

Published CVSS scores

6.1CiscoCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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 exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1566.002Spearphishing Link

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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