Improper signature verification in TeamViewer Remote
Priority LOW 29CWE-347Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-347.
Summary
Improper fingerprint validation in the TeamViewer Client (Full & Host) prior Version 15.54 for Windows and macOS allows an attacker with administrative user rights to further elevate privileges via executable sideloading.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00106 1st percentileScored 2026-11-07
Fix Fixed Remote (Full Client) (TeamViewer): 15.54Remote (Host) (TeamViewer): 15.54
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| TeamViewer | Remote (Full Client) | 15.48 to before 15.54 | 15.54 | Patch available | CNA |
| TeamViewer | Remote (Host) | 15.48 to before 15.54 | 15.54 | Patch available | CNA |
| TeamViewer | Remote (Full Client) | 15.51 to before 15.54 | 15.54 | Patch available | CNA |
| TeamViewer | Remote (Host) | 15.51 to before 15.54 | 15.54 | Patch available | CNA |
- Remote (Full Client) VendorTeamViewer Affected 15.48 to before 15.54 Fixed in 15.54 Patch available CNA
- Remote (Host) VendorTeamViewer Affected 15.48 to before 15.54 Fixed in 15.54 Patch available CNA
- Remote (Full Client) VendorTeamViewer Affected 15.51 to before 15.54 Fixed in 15.54 Patch available CNA
- Remote (Host) VendorTeamViewer Affected 15.51 to before 15.54 Fixed in 15.54 Patch available CNA
CPE names CISA-ADP · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:teamviewer:remote:15.48:*:*:*:*:*:*:* | 15.48 | — | TeamViewer |
| cpe:2.3:a:teamviewer:remote:15.51:*:*:*:*:*:*:* | 15.51 | — | TeamViewer |
- cpe:2.3:a:teamviewer:remote:15.48:*:*:*:*:*:*:* Versions 15.48 — ·TeamViewer
- cpe:2.3:a:teamviewer:remote:15.51:*:*:*:*:*:*:* Versions 15.51 — ·TeamViewer
Remediation
- Fix · CNA Remote (Full Client) (TeamViewer) Fixed in 15.54
- Fix · CNA Remote (Host) (TeamViewer) Fixed in 15.54
- Fix · CNA Remote (Full Client) (TeamViewer) Fixed in 15.54
- Fix · CNA Remote (Host) (TeamViewer) Fixed in 15.54
Timeline
- 2026-10-02 Threatist record created from CVE-2024-2451
References
More TeamViewer vulnerabilities
- TI-2019-13681 TeamViewer Desktop through 14.7.1965 allows a bypass of remote-login access control… KEVCVSS 3.1HIGH 7.0
- TI-2020-10745 TeamViewer Desktop for Windows before 15.8.3 does not properly quote its custom URI… CVSS 3.1HIGH 8.8
- TI-2010-02989 Untrusted search path vulnerability in TeamViewer 5.0.8703 and earlier allows local… CVSS 2.0HIGH 9.3
- TI-2021-13849 Memory corruption in TeamViewer CVSS 3.1HIGH 8.8
- TI-2018-11870 TeamViewer 10.x through 13.x allows remote attackers to bypass the brute-force… CVSS 3.0CRITICAL 9.8
- TI-2025-28565 File Hash Validation Bypass in NomadBranch.exe CVSS 3.1HIGH 8.8
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences