CVE-2021-0456 json
In the Citadel chip firmware, there is a possible out of bounds write due to a missing bounds check.
published 2021-03-10 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-3075
- cvss
- 6.7
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 2%
- public exploits
- 0
- none known
Summary
In the Citadel chip firmware, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-174769927
Exploit prediction
0.13% chance of exploitation in the next 30 days, higher than 2% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- n/a Android
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
source.android.com
/security/bulletin/pixel/2021-03-01
vendor-advisory
Sources
- CVE List CVE-2021-0456
- NVD CVE-2021-0456
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