CVE-2021-22532

HIGHNVD 7.67.6—
EchelonGraph scoreMEDIUM confidence

Score 7.6 from GitHub Security Advisory (severity: HIGH) published 2024-09-12. NVD baseline CVSS 7.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.6
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.6Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Possible NLDAP Denial of Service attack Vulnerability

in eDirectory has been discovered in OpenText™ eDirectory before 9.2.4.0000.

CVSS v3
7.6
EG Score
7.6(medium)
EG Risk
34(Track)
EG Risk 34/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity76% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
29.4%
KEV
Not listed

Published

September 12, 2024

Last Modified

September 19, 2024

References (1)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 44× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-23 14:15 UTCEPSS rescore
  2. 2026-07-23 01:57 UTCEG score recompute
  3. 2026-07-22 22:44 UTCEG score recompute
  4. 2026-07-22 14:05 UTCEPSS rescore
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  1. 2026-07-05 02:28 UTCEPSS rescore
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  5. 2026-07-02 16:57 UTCEPSS rescore
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  43. 2026-06-07 15:23 UTCEPSS rescore
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  45. 2026-06-06 13:46 UTCEPSS rescore
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  68. 2026-05-26 07:17 UTCEPSS rescore
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  70. 2026-05-24 16:49 UTCEPSS rescore
  71. 2026-05-23 11:01 UTCEG score recompute
  72. 2026-05-23 11:00 UTCGHSA enrichment

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Frequently asked(5)

What is CVE-2021-22532?
CVE-2021-22532 is a high vulnerability published on September 12, 2024. Possible NLDAP Denial of Service attack Vulnerability in eDirectory has been discovered in OpenText™ eDirectory before 9.2.4.0000.
When was CVE-2021-22532 disclosed?
CVE-2021-22532 was first published in the National Vulnerability Database on September 12, 2024, with the most recent update on September 19, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-22532 actively exploited?
CVE-2021-22532 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 29.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-22532?
CVE-2021-22532 has a CVSS v3 base score of 7.6 (NVD).
How do I remediate CVE-2021-22532?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-22532, 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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