CVE-2021-22509

HIGHNVD 8.18.1—

8.1

A vulnerability identified in storing and reusing information in Advance Authentication. This issue can lead to leakage of sensitive data to unauthorized user. The issue affects NetIQ Advance Authentication before 6.3.5.1

CVSS v3: 8.1
EG Score: 8.1(medium)
EPSS: 26.6%
KEV: Not listed

Published

August 28, 2024

Last Modified

September 13, 2024

References (1)

security@opentexthttps://www.netiq.com/documentation/advanced-authentication-63/advanced-authentication-releasenotes-6351/data/advanced-authentication-releasenotes-6351.html

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-312Cleartext Storage of Sensitive Information

Data Freshness Timeline

(refreshed 11× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 16:49 UTCepss_batch
2026-05-23 11:54 UTCEG score recompute
2026-05-23 11:54 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2021-22509?

CVE-2021-22509 is a high vulnerability published on August 28, 2024. A vulnerability identified in storing and reusing information in Advance Authentication. This issue can lead to leakage of sensitive data to unauthorized user. The issue affects NetIQ Advance Authentication before 6.3.5.1

When was CVE-2021-22509 disclosed?

CVE-2021-22509 was first published in the National Vulnerability Database on August 28, 2024, with the most recent update on September 13, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-22509 actively exploited?

CVE-2021-22509 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 26.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-22509?

CVE-2021-22509 has a CVSS v3 base score of 8.1 (NVD).

How do I remediate CVE-2021-22509?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-22509, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2021-22509

📅 Published

🔄 Last Modified

🔗 References (1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-22509?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (1)

Frequently asked(5)

Related CVEs(same CWE)