High severity · published Jan 13, 2022
CVE-2021-34998
This vulnerability allows local attackers to escalate privileges on affected installations of Panda Security Free Antivirus 20.2.0.0
7.8
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PA
Panda Antivirus · Watchguard
before 20.02.00 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-34998
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-34998
Vendor Advisory
https://www.pandasecurity.com/en/support/card?id=100077
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1336/
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