CVE-2021-0639
In multiple functions of libl3oemcrypto.cpp, there is a possible weakness in the existing obfuscation mechanism due to the way sensitive…
- Published
- Updated
- Reserved
- Assigned by
- google_android
Description
In multiple functions of libl3oemcrypto.cpp, there is a possible weakness in the existing obfuscation mechanism due to the way sensitive data is handled. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android SoCAndroid ID: A-190724551
Timeline
ID reserved
By google_android
- 9 months later
· 9 months later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.12% · top 98% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
- Information disclosure
- CWE-922 (opens in a new tab)All about CWE-922 and its CVEs
Affected products
Android
- affected Android SoC
References (1)
- https://source.android.com/security/bulletin/2021-08-01 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-0639)Record last updated .