CVE-2021-25461: google android Classic Buffer Overflow
CVSS: 7.8v3.1HighModified
Published 09-09-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-25461 is a high (CVSS 7.8) Classic Buffer Overflow vulnerability in google android. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 5.4% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.17%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 09-09-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
An improper length check in APAService prior to SMR Sep-2021 Release 1 results in stack based Buffer Overflow.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources2 sources · 4.0–7.8
- CVE.orgCNA4.0MediumCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:LDiffers
Medium 4.6Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.17%
Chance of exploitation in the next 30 days
Percentile
5%
Versus all other CVEs
30-day change
0.00 pp
From 0.17% on 21-09-2026
21-09-202621-10-2026
EPSS score0.17%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Google1 product
- androidEOL8.1
Samsung mobile1 product
- samsung mobile devices≥ O(8.1), < SMR Sep-2021 Release 1
2 vendors · 2 products