CVE-2021-25493: samsung mobile samsung notes Out-of-bounds Read
CVSS: 7.1v3.1HighModified
Published 06-10-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-25493 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in samsung mobile samsung notes. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.2% of scored vulnerabilities.
CVSS score
7.1/10
010
High · v3.1 (NVD)EPSS score
0.23%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 06-10-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Lack of boundary checking of a buffer in libSPenBase library of Samsung Notes prior to Samsung Note version 4.3.02.61 allows OOB read
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.1Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HSources2 sources · 4.0–7.1
- CVE.orgCNA4.0MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NDiffers
Low 3.6Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:N/A:PSourcesSingle source
EPSS trend
Probability
0.23%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
0.00 pp
From 0.23% on 18-09-2026
18-09-202618-10-2026
EPSS score0.23%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
Affected systems
Samsung1 product
- notes≤ 4.3.02.61
Samsung mobile1 product
- samsung notes≥ -, < 4.3.02.61
2 vendors · 2 products