CVE-2021-1464Network attack vector

Authenticated configuration disclosure via crafted command requests

Published Nov 15, 2024 · Updated Nov 15, 2024

Improper input validation in Cisco SD-WAN vManage allows remote authenticated users to gain restricted access to configuration data. The affected command processing accepts crafted requests without sufficient input validation, causing authorization checks to be bypassed. A valid account and network access to the management service are required; successful exploitation discloses configuration information without changing it.

CVSS severity5.0
Medium
EPSS probability1.33%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in Cisco SD-WAN vManage allows remote authenticated users to gain restricted access to configuration data. The affected command processing accepts crafted requests without sufficient input validation, causing authorization checks to be bypassed. A valid account and network access to the management service are required; successful exploitation discloses configuration information without changing it.

The record

CVE
CVE-2021-1464
Published
Nov 15, 2024
Updated
Nov 15, 2024
Vendor
ClamAV
Product
Cisco Catalyst SD-WAN Manager
Classifications
CWE-20, T1602.002
Attack vector
network
Privileges
authenticated

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

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=17.2.10
  2. Affected versionversion=17.2.4
  3. Affected versionversion=17.2.5
  4. Affected versionversion=17.2.6
  5. Affected versionversion=17.2.7
  6. Affected versionversion=17.2.8
  7. Affected versionversion=17.2.9
  8. Affected versionversion=18.2.0
  9. Affected versionversion=18.3.0
  10. Affected versionversion=18.3.1
  11. Affected versionversion=18.3.1.1
  12. Affected versionversion=18.3.3
  13. Affected versionversion=18.3.3.1
  14. Affected versionversion=18.3.4
  15. Affected versionversion=18.3.5
  16. Affected versionversion=18.3.6
  17. Affected versionversion=18.3.6.1
  18. Affected versionversion=18.3.7
  19. Affected versionversion=18.3.8
  20. Affected versionversion=18.4.0
  21. Affected versionversion=18.4.0.1
  22. Affected versionversion=18.4.1
  23. Affected versionversion=18.4.3
  24. Affected versionversion=18.4.302
  25. Affected versionversion=18.4.303
  26. Affected versionversion=18.4.4
  27. Affected versionversion=18.4.5
  28. Affected versionversion=18.4.501_ES
  29. Affected versionversion=18.4.6
  30. Affected versionversion=19.0.0
  31. Affected versionversion=19.0.1a
  32. Affected versionversion=19.1.0
  33. Affected versionversion=19.2.0
  34. Affected versionversion=19.2.097
  35. Affected versionversion=19.2.098
  36. Affected versionversion=19.2.099
  37. Affected versionversion=19.2.1
  38. Affected versionversion=19.2.2
  39. Affected versionversion=19.3.0
  40. Affected versionversion=20.1.1
  41. Affected versionversion=20.1.1.1
  42. Affected versionversion=20.1.12

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

ClamAV · Cisco Catalyst SD-WAN Managerversion=17.2.10; version=17.2.4; version=17.2.5; version=17.2.6; version=17.2.7; version=17.2.8; version=17.2.9; version=18.2.0; version=18.3.0; version=18.3.1; version=18.3.1.1; version=18.3.3; version=18.3.3.1; version=18.3.4; version=18.3.5; version=18.3.6; version=18.3.6.1; version=18.3.7; version=18.3.8; version=18.4.0; version=18.4.0.1; version=18.4.1; version=18.4.3; version=18.4.302; version=18.4.303; version=18.4.4; version=18.4.5; version=18.4.501_ES; version=18.4.6; version=19.0.0; version=19.0.1a; version=19.1.0; version=19.2.0; version=19.2.097; version=19.2.098; version=19.2.099; version=19.2.1; version=19.2.2; version=19.3.0; version=20.1.1; version=20.1.1.1; version=20.1.12

Published CVSS scores

5.0CiscoCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

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-20Improper Input Validation
T1602.002Network Device Configuration Dump

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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