CVE-2021-35309: samsung syncthru_web_service Improper Privilege Management
CVSS: 7.5v3.1HighModified
Published 22-08-2023Last modified 03-10-2024
Vulnerability summary
CVE-2021-35309 is a high (CVSS 7.5) Improper Privilege Management vulnerability in samsung syncthru_web_service. EPSS estimates a 0.52% chance of exploitation in the next 30 days, higher than 43.1% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
0.52%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 22-08-2023PublishedVulnerability first disclosed.
- 03-10-2024Last modifiedVulnerability information updated.
Description
An issue discovered in Samsung SyncThru Web Service SPL 5.93 06-09-2014 allows attackers to gain escalated privileges via MITM attacks.
CVSS metrics
1 score · 1 source · 1 versionHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
EPSS trend
Probability
0.52%
Chance of exploitation in the next 30 days
Percentile
43%
Versus all other CVEs
30-day change
0.00 pp
From 0.52% on 18-09-2026
18-09-202618-10-2026
EPSS score0.52%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Samsung1 product
1 vendor · 1 product
References
2 links- security.samsungmobile.com/securityUpdate.smsbVendor Advisory
- github.com/mustafa-turgut/cve-subscriptions/tree/main/samsung-stwsThird Party Advisory