There is a issue that trustlist strings being repeatedly inserted into the linked list in Huawei Smartphone due to race conditions. Successful exploitation of this vulnerability can cause exceptions when managing the system trustlist.
CVE-2021-36994
LOWNVD 3.73.7—
EchelonGraph scoreMEDIUM confidence
This low-severity CVE scores 3.7 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 73% 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
3.7EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 3.7Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 3.7
- EG Score
- 3.7(medium)
- EG Risk
- 21(Track)EG Risk 21/100SSVC: 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 computedSeverity37% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 29%
- KEV
- Not listed
Published
October 28, 2021
Last Modified
November 21, 2024
References (2)
- psirt@huaweihttps://consumer.huawei.com/en/support/bulletin/2021/7/
- af854a3a-2127-422b-91ae-364da2661108https://consumer.huawei.com/en/support/bulletin/2021/7/
Related CVEs
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Frequently asked(5)
What is CVE-2021-36994?
CVE-2021-36994 is a low vulnerability published on October 28, 2021. There is a issue that trustlist strings being repeatedly inserted into the linked list in Huawei Smartphone due to race conditions. Successful exploitation of this vulnerability can cause exceptions when managing the system trustlist.
When was CVE-2021-36994 disclosed?
CVE-2021-36994 was first published in the National Vulnerability Database on October 28, 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-2021-36994 actively exploited?
CVE-2021-36994 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 70.9% of all scored CVEs.
What is the CVSS score of CVE-2021-36994?
CVE-2021-36994 has a CVSS v3 base score of 3.7 (NVD).
How do I remediate CVE-2021-36994?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-36994, 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-2021-36994
Is Your Infrastructure Affected by CVE-2021-36994?
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