Privilege escalation in Panda Security Free Antivirus
CVE-2021-34998
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (28.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Panda Security Free Antivirus — versions 20.2.0.0
- Watchguard Panda Antivirus
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-21-1336/ (VDB Entry, Third Party Advisory)
- www.pandasecurity.com/en/support/card (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-34998?
- CVE-2021-34998 is a high-severity vulnerability in Panda Security Free Antivirus, classified under CWE-250. CVSS score: 7.8/10. Published 2022-01-13.
- How severe is CVE-2021-34998?
- High severity. CVSS v3 base score is 7.8 out of 10.