CVE-2021-35005

Name: CVE-2021-35005
Creator: NVD / NIST
Published: 2022-01-24T18:15:07.68+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.3/10EPSS 0.89%

Last modified Jun 17, 2026

CVE-2021-35005 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. This vulnerability allows local attackers to disclose sensitive information on affected installations of TeamViewer. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. EPSS estimates a 0.89% chance of exploitation in the next 30 days.

Description

This vulnerability allows local attackers to disclose sensitive information on affected installations of TeamViewer. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the TeamViewer service. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated array. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-13818.

Metrics

CVSS 3.1

3.3/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.89%

54.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Teamviewer	Teamviewer	< 15.18.5.0

References

https://community.teamviewer.com/English/discussion/117794/august-updates-security-patchesVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-082/Third Party Advisory, VDB Entry
https://community.teamviewer.com/English/discussion/117794/august-updates-security-patchesVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-082/Third Party Advisory, VDB Entry

Timeline

Published: Jan 24, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-35005?

How severe is CVE-2021-35005?

CVE-2021-35005 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 0.89% probability of exploitation in the next 30 days.

How do I fix CVE-2021-35005?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-35005?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST