Improper privilege management in Panda Security Free Antivirus
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-250.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Panda Security | Free Antivirus | 20.2.0.0 | — | No fix listed | CNA |
- Free Antivirus VendorPanda Security Affected 20.2.0.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:watchguard:panda_antivirus:*:*:*:*:free:*:*:* | before 20.02.00 | Vulnerable | WatchGuard |
- cpe:2.3:a:watchguard:panda_antivirus:*:*:*:*:free:*:*:* Versions before 20.02.00 Vulnerable ·WatchGuard
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-34998
- 2026-10-03 Alias added: GHSA-2mqf-25vp-cxfr
References
More Panda Security vulnerabilities
- TI-2025-24269 Panda Security PSEvents.exe Insecure DLL Loading Privilege Escalation CVSS 4.0HIGH 8.5
- TI-2024-12091 Link following in Panda Security Dome CVSS 3.1HIGH 7.8
- TI-2024-06709 Uncontrolled search path in Panda Security Dome CVSS 3.1HIGH 7.8
- TI-2024-06708 Link following in Panda Security Dome CVSS 3.1HIGH 7.8
- TI-2024-06707 Link following in Panda Security Dome CVSS 3.1HIGH 7.8
- TI-2024-06706 Link following in Panda Security Dome CVSS 3.1HIGH 7.8
Sources
- CVE-2021-34998 · CVE Program
- CVE-2021-34998 · NVD
- FIRST EPSS
- GHSA-2mqf-25vp-cxfr · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences