Vulnerability · Published Jan 13, 2022 · Assigned by zdi

CVE-2021-34998

High 7.0

In plain English

A high-severity security flaw in Free Antivirus from Panda Security. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).

Severity (CVSS 3.0)7.0High

Exploit odds (30 days)0.4%top 67.7% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
Panda Security	Free Antivirus	20.2.0.0

Weakness: CWE-250 · Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References

https://www.zerodayinitiative.com/advisories/ZDI-21-1336/ x_refsource_MISC
https://www.pandasecurity.com/en/support/card?id=100077 x_refsource_MISC