CVE-2021-31581

HIGHNVD 7.97.9—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.9 under NVD CVSS v3. EPSS exploit probability: 1.2%, top 35% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
7.9
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.9Exploit: NoneExposed: 0

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

The restricted shell provided by Akkadian Provisioning Manager Engine (PME) can be escaped by abusing the 'Edit MySQL Configuration' command. This command launches a standard vi editor interface which can then be escaped. This issue was resolved in Akkadian OVA appliance version 3.0 (and later), Akkadian Provisioning Manager 5.0.2 (and later), and Akkadian Appliance Manager 3.3.0.314-4a349e0 (and later).

CVSS v3
7.9
EG Score
7.9(medium)
EG Risk
56(Track)
EG Risk 56/100SSVC: 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
Severity79% × 45%
Exploitation40% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
65.4%
KEV
Not listed

Published

July 22, 2021

Last Modified

November 21, 2024

References (2)

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 16× in last 7d / 47× 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 14:16 UTCEPSS rescore
  2. 2026-07-23 14:16 UTCEPSS rescore
  3. 2026-07-23 02:00 UTCEG score recompute
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  64. 2026-05-26 13:06 UTCEG score recompute
  65. 2026-05-26 13:06 UTCGHSA enrichment

Publicly available exploits

(1 reference)

Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Nucleihttp/cves/2021/CVE-2021-31581.yaml
    First seen Jan 1, 2021

    Akkadian Provisioning Manager - Information Disclosure

    Open source ↗

Frequently asked(5)

What is CVE-2021-31581?
CVE-2021-31581 is a high vulnerability published on July 22, 2021. The restricted shell provided by Akkadian Provisioning Manager Engine (PME) can be escaped by abusing the 'Edit MySQL Configuration' command. This command launches a standard vi editor interface which can then be escaped. This issue was resolved in Akkadian OVA appliance version 3.0 (and later),…
When was CVE-2021-31581 disclosed?
CVE-2021-31581 was first published in the National Vulnerability Database on July 22, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-31581 actively exploited?
CVE-2021-31581 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 65.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-31581?
CVE-2021-31581 has a CVSS v3 base score of 7.9 (NVD).
How do I remediate CVE-2021-31581?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-31581, 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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