CVE-2021-25520: samsung mobile samsung internet Improper Input Validation
CVSS: 6.1v3.1MediumModified
Published 08-12-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-25520 is a medium (CVSS 6.1) Improper Input Validation vulnerability in samsung mobile samsung internet. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 35.4% of scored vulnerabilities.
CVSS score
6.1/10
010
Medium · v3.1 (NVD)EPSS score
0.43%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-12-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Insecure caller check and input validation vulnerabilities in SearchKeyword deeplink logic prior to Samsung Internet 16.0.2 allows unstrusted applications to execute script codes in Samsung Internet.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSources2 sources · 5.9–6.1
- CVE.orgCNA5.9MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LDiffers
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.43%
Chance of exploitation in the next 30 days
Percentile
35%
Versus all other CVEs
30-day change
+0.01 pp
From 0.41% on 19-09-2026
19-09-202619-10-2026
EPSS score0.43%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Affected systems
Samsung1 product
- internet< 16.0.2
Samsung mobile1 product
- samsung internet≥ -, < 16.0.2
2 vendors · 2 products