CVE-2021-22530: microfocus netiq_advanced_authentication Improper Locking
Vulnerability summary
CVE-2021-22530 is a critical (CVSS 9.9) Improper Locking vulnerability in microfocus netiq_advanced_authentication. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 12.8% of scored vulnerabilities.
Timeline
- 28-08-2024PublishedVulnerability first disclosed.
- 28-08-2024Last modifiedVulnerability information updated.
Description
A vulnerability identified in NetIQ Advance Authentication that doesn't enforce account lockout when brute force attack is performed on API based login. This issue may lead to user account compromise if successful or may impact server performance. This issue impacts all NetIQ Advance Authentication before 6.3.5.1
CVSS metrics
2 scores · 2 sources · 1 version- CVE.orgCNA8.2HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:LDiffers
EPSS trend
Probability
0.23%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
0.00 pp
From 0.23% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-667Improper LockingThe product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.
- CWE-307Improper Restriction of Excessive Authentication AttemptsThe product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame.
Affected systems
Microfocus1 product
- netiq_advanced_authentication< 6.3 | 6.3 | 6.3:sp1 | 6.3:sp2 | 6.3:sp3 | 6.3:sp4 | 6.3:sp4_patch1 | 6.3:sp5
Opentext1 product
- netiq advance authentication≥ 6.3.5.1, < <
2 vendors · 2 products
References
1 links- www.netiq.com/documentation/…Release Notes