CVE-2021-35309
An issue discovered in Samsung SyncThru Web Service SPL 5.93 06-09-2014 allows attackers to gain...
An issue discovered in Samsung SyncThru Web Service SPL 5.93 06-09-2014 allows attackers to gain escalated privileges via MITM attacks.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.5
An issue discovered in Samsung SyncThru Web Service SPL 5.93 06-09-2014 allows attackers to gain escalated privileges via MITM attacks.
- Record
CVE-2021-35309- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
CVE List No score
An issue discovered in Samsung SyncThru Web Service SPL 5.93 06-09-2014 allows attackers to gain escalated privileges via MITM attacks.
- Record
CVE-2021-35309- Weakness
- CWE-269
- Updated
- 2026-11-02
EUVDEUVD-2021-21952 No score
An issue discovered in Samsung SyncThru Web Service SPL 5.93 06-09-2014 allows attackers to gain escalated privileges via MITM attacks.
- Record
EUVD-2021-21952- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cg26-wmrp-ggr4
7.5
An issue discovered in Samsung SyncThru Web Service SPL 5.93 06-09-2014 allows attackers to gain...
An issue discovered in Samsung SyncThru Web Service SPL 5.93 06-09-2014 allows attackers to gain escalated privileges via MITM attacks.
- Record
GHSA-cg26-wmrp-ggr4- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-35309 is a high vulnerability (CVSS 7.5) in Samsung Syncthru Web Service, published August 22, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.52%, the 44th percentile. No source names a fixed version.