There is an improper security permission configuration vulnerability on ACPU.Successful exploitation of this vulnerability may affect service confidentiality, integrity, and availability.
CVE-2021-39992
HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence
This high-severity CVE scores 7.8 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 94% 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
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.8
- EG Score
- 7.8(medium)
- EG Risk
- 40(Track)EG Risk 40/100SSVC: 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 computedSeverity78% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 6%
- KEV
- Not listed
Published
February 9, 2022
Last Modified
November 21, 2024
References (2)
- psirt@huaweihttps://consumer.huawei.com/en/support/bulletin/2022/2/
- af854a3a-2127-422b-91ae-364da2661108https://consumer.huawei.com/en/support/bulletin/2022/2/
Related CVEs
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Frequently asked(5)
What is CVE-2021-39992?
CVE-2021-39992 is a high vulnerability published on February 9, 2022. There is an improper security permission configuration vulnerability on ACPU.Successful exploitation of this vulnerability may affect service confidentiality, integrity, and availability.
When was CVE-2021-39992 disclosed?
CVE-2021-39992 was first published in the National Vulnerability Database on February 9, 2022, 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-2021-39992 actively exploited?
CVE-2021-39992 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 94.1% of all scored CVEs.
What is the CVSS score of CVE-2021-39992?
CVE-2021-39992 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2021-39992?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-39992, 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
Explore the affected products and dependency analysis for CVE-2021-39992
Is Your Infrastructure Affected by CVE-2021-39992?
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