CVE-2021-34998: Panda Security Free Antivirus Unnecessary Privileges Local Privilege Escalation Vulnerability

Published Jan 13, 2022
·
Updated

This vulnerability allows local attackers to escalate privileges on affected installations of Panda Security Free Antivirus 20.2.0.0. 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 use of named pipes. The issue results from allowing an untrusted process to impersonate the client of a pipe. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-14208.

Other sources

This vulnerability allows local attackers to escalate privileges on affected installations of Panda Security Free Antivirus. 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 use of named pipes. The issue results from allowing an untrusted process to impersonate the client of a pipe. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

Affected Software

2 affected components
Panda Security Free Antivirus
WatchGuard Panda Antivirus<20.02.00

Event History

Jan 13, 2022
CVE Published
via MITRE·09:44 PM
Data Sourced
via MITRE·09:44 PM
DescriptionSeverityWeakness
Jan 30, 2025
Advisory Published
via ZDI·05:34 AM
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2021-34998?

CVE-2021-34998 is a local privilege escalation vulnerability found in Panda Security Free Antivirus 20.2.0.0.

2

How can an attacker exploit CVE-2021-34998?

An attacker needs the ability to execute low-privileged code on the target system to exploit CVE-2021-34998.

3

What is the severity of CVE-2021-34998?

The severity of CVE-2021-34998 is high with a CVSS score of 7.8.

4

What software is affected by CVE-2021-34998?

Panda Security Free Antivirus 20.2.0.0 is affected by CVE-2021-34998.

5

How can I fix CVE-2021-34998?

To fix CVE-2021-34998, update Panda Security Free Antivirus to the latest version available.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203