01 Record
CVE-2025-21034
Out-of-bounds write in libsavsvc.so prior to SMR Sep-2025 Release 1 allows local attackers to potentially execute arbitrary code.
MediumPUBLISHEDCNA: SamsungMobile
CNA base score4.0 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
02 Description
Out-of-bounds write in libsavsvc.so prior to SMR Sep-2025 Release 1 allows local attackers to potentially execute arbitrary code.
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.14% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 3.0% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2025-09-03 06:05Z1 YR AGO
- Last updated
- 2025-09-03 13:33Z1 YR AGO
- Reserved
- 2024-11-06
- Assigning CNA
- SamsungMobile
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 4.0)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- Weaknesses
- CWE-787Out-of-bounds WriteBase
- Data version
- 5.1
- Document digest
- 2c3d097f66efac82432d10c817293d68636f9c24ab7318312e030711543ba23b
05 Affected products
VendorProductVersionsPlatforms
06 References
- security.samsungmobile.comhttps://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=09