CVE-2021-22126

MEDIUMNVD 6.76.7—
EchelonGraph scoreMEDIUM confidence

Score 6.7 from GitHub Security Advisory published 2025-03-17. NVD baseline CVSS 6.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.7
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.7Exploit: NoneExposed: 0

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

A use of hard-coded password vulnerability in FortiWLC version 8.5.2 and below, version 8.4.8 and below, version 8.3.3 to 8.3.2, version 8.2.7 to 8.2.6 may allow a local, authenticated attacker to connect to the managed Access Point (Meru AP and FortiAP-U) as root using the default hard-coded username and password.

CVSS v3
6.7
EG Score
6.7(medium)
EG Risk
30(Track)
EG Risk 30/100SSVC: 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
Severity67% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
5.2%
KEV
Not listed

Published

March 17, 2025

Last Modified

July 24, 2025

References (1)

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 43× 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
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  63. 2026-05-30 09:29 UTCEG score recompute
  64. 2026-05-30 09:29 UTCGHSA enrichment
  65. 2026-05-29 13:42 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2021-22126?
CVE-2021-22126 is a medium vulnerability published on March 17, 2025. A use of hard-coded password vulnerability in FortiWLC version 8.5.2 and below, version 8.4.8 and below, version 8.3.3 to 8.3.2, version 8.2.7 to 8.2.6 may allow a local, authenticated attacker to connect to the managed Access Point (Meru AP and FortiAP-U) as root using the default hard-coded…
When was CVE-2021-22126 disclosed?
CVE-2021-22126 was first published in the National Vulnerability Database on March 17, 2025, with the most recent update on July 24, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-22126 actively exploited?
CVE-2021-22126 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-22126?
CVE-2021-22126 has a CVSS v3 base score of 6.7 (NVD).
How do I remediate CVE-2021-22126?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-22126, 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.

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