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TI-2021-03745 Aliases CVE-2021-20494GHSA-gwjh-r2ww-fpmp

Out-of-bounds write in IBM Security Identity Manager Adapters

Priority LOW 31CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

IBM Security Identity Manager Adapters 6.0 and 7.0 are vulnerable to a heap based buffer overflow, caused by improper bounds. An authenticared user could overflow the buffer and cause the service to crash. IBM X-Force ID: 197882.

Why it matters now

EPSS 0.01132 66th 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
IBMSecurity Identity Manager Adapters6.0; 7.0—No fix listedCNA
  • Security Identity Manager Adapters VendorIBM Affected 6.0; 7.0 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:ibm:security_identity_manager_adapter:6.0.0.0:*:*:*:*:*:*:*6.0.0.0VulnerableIBM
cpe:2.3:a:ibm:security_identity_manager_adapter:7.0.0.0:*:*:*:*:*:*:*7.0.0.0VulnerableIBM
  • cpe:2.3:a:ibm:security_identity_manager_adapter:6.0.0.0:*:*:*:*:*:*:* Versions 6.0.0.0 Vulnerable ·IBM
  • cpe:2.3:a:ibm:security_identity_manager_adapter:7.0.0.0:*:*:*:*:*:*:* Versions 7.0.0.0 Vulnerable ·IBM

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-20494
  2. 2026-10-03 Alias added: GHSA-gwjh-r2ww-fpmp

References

Patch 1

  • TI-2021-03807 Injection in IBM Security Identity Manager Adapters CVSS 3.1HIGH 8.8
  • TI-2016-00294 IBM Security Identity Manager (ISIM) Virtual Appliance 7.0.0.0 through 7.0.1.1 before… CVSS 3.0HIGH 7.3
  • TI-2016-00301 IBM Security Identity Manager (ISIM) Virtual Appliance 7.0.0.0 through 7.0.1.1 before… CVSS 3.0HIGH 7.4
  • TI-2021-03806 Out-of-bounds write in IBM Security Identity Manager Adapters CVSS 3.1MEDIUM 6.5
  • TI-2021-03805 Out-of-bounds write in IBM Security Identity Manager Adapters CVSS 3.1MEDIUM 6.5
  • TI-2016-00300 IBM Security Identity Manager (ISIM) Virtual Appliance 7.0.0.0 through 7.0.1.1 before… CVSS 3.0MEDIUM 5.6
See all 8 →

Sources

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