CVE-2021-20427
Published: 11 August 2021
Summary
CVE-2021-20427 is a high-severity Improper Restriction of Excessive Authentication Attempts (CWE-307) vulnerability in Ibm Security Guardium. Its CVSS base score is 7.5 (High).
Operationally, ranked at the 45.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-7845
Vulnerability details
IBM Security Guardium 11.2 uses an inadequate account lockout setting that could allow a remote attacker to brute force account credentials. IBM X-Force ID: 196314.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
This control directly enforces limits on consecutive invalid logon attempts and automatic response (e.g., lockout) to prevent brute-force exploitation of authentication mechanisms.
Specific conditions can include excessive failed attempts, triggering stronger authentication that restricts brute-force exploitation.