CVE-2021-25521: samsung mobile samsung internet Improper Authorization
CVSS: 4.0v3.1MediumModified
Published 08-12-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-25521 is a medium (CVSS 4.0) Improper Authorization vulnerability in samsung mobile samsung internet. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 11.4% of scored vulnerabilities.
CVSS score
4.0/10
010
Medium · v3.1 (CVE.org)EPSS score
0.22%
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 in sharevia deeplink logic prior to Samsung Internet 16.0.2 allows unstrusted applications to get current tab URL in Samsung Internet.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 4.0Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NSources2 sources · 3.3–4.0
- NVDNIST3.3LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NDiffers
Low 2.1Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
11%
Versus all other CVEs
30-day change
+0.01 pp
From 0.21% on 19-09-2026
19-09-202619-10-2026
EPSS score0.22%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-285Improper AuthorizationThe product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.
- CWE-552Files or Directories Accessible to External PartiesThe product makes files or directories accessible to unauthorized actors, even though they should not be.
Affected systems
Samsung1 product
- internet< 16.0.2
Samsung mobile1 product
- samsung internet≥ -, < 16.0.2
2 vendors · 2 products