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TI-2021-10502 Aliases CVE-2021-29842GHSA-pjp7-6p5m-9x45

Missing brute-force protection in IBM WebSphere Application Server

Priority LOW 27CWE-307Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-307.

Summary

IBM WebSphere Application Server 7.0, 8.0, 8.5, 9.0 and Liberty 17.0.0.3 through 21.0.0.9 could allow a remote user to enumerate usernames due to a difference of responses from valid and invalid login attempts. IBM X-Force ID: 205202.

Why it matters now

EPSS 0.01345 71st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
IBMWebSphere Application Server7.0; 8.0; 8.5; 9.0—No fix listedCNA
IBMWebSphere Application Server Liberty17.0.0.3; 21.0.0.9—No fix listedCNA
  • WebSphere Application Server VendorIBM Affected 7.0; 8.0; 8.5; 9.0 Fixed in — No fix listed CNA
  • WebSphere Application Server Liberty VendorIBM Affected 17.0.0.3; 21.0.0.9 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*7.0.0.0 – 7.0.0.45; 8.0.0.0 – 8.0.0.15; 8.5 – 8.5.5.20; 9.0.0.0 – 9.0.5.9VulnerableIBM
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:*17.0.0.3 – 21.0.0.9VulnerableIBM
  • cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:* Versions 7.0.0.0 – 7.0.0.45; 8.0.0.0 – 8.0.0.15; 8.5 – 8.5.5.20; 9.0.0.0 – 9.0.5.9 Vulnerable ·IBM
  • cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:* Versions 17.0.0.3 – 21.0.0.9 Vulnerable ·IBM

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-29842
  2. 2026-10-03 Alias added: GHSA-pjp7-6p5m-9x45

References

Patch 1

  • TI-2015-06198 Serialized-object interfaces in certain IBM analytics, business solutions, cognitive, IT… KEVCVSS 3.1CRITICAL 9.8
  • TI-2010-00403 modules/arch/win32/mod_isapi.c in mod_isapi in the Apache HTTP Server 2.0.37 through… CVSS 2.0HIGH 10.0
  • TI-2019-03185 Deserialization of untrusted data in IBM WebSphere Application Server CVSS 3.1CRITICAL 9.8
  • TI-2020-03809 Deserialization of untrusted data in IBM WebSphere Application Server CVSS 3.1CRITICAL 9.8
  • TI-2025-24648 IBM WebSphere Application Server code execution CVSS 3.1CRITICAL 9.8
  • TI-2020-03807 Deserialization of untrusted data in IBM WebSphere Application Server CVSS 3.1CRITICAL 9.8
See all 502 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences