CVE-2025-34109 json
Panda Security PSEvents.exe Insecure DLL Loading Privilege Escalation
published 2025-07-15 15 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-21431
- cvss
- 8.5
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 34%
- public exploits
- 1
- Metasploit
Summary
PSEvents.exe in multiple Panda Security products runs hourly with SYSTEM privileges and loads DLL files from a user-writable directory without proper validation. An attacker with low-privileged access who can write DLL files to the monitored directory can achieve arbitrary code execution with SYSTEM privileges. Affected products include Panda Global Protection 2016, Panda Antivirus Pro 2016, Panda Small Business Protection, and Panda Internet Security 2016 (all versions up to 16.1.2).
Patch / fix
Timeline
- First public exploit (Metasploit exploit/windows/local/panda_psevents)
- Published
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 15 mo ago
Exploit prediction
0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit exploit/windows/local/panda_psevents Panda Security PSEvents Privilege Escalation metasploit exploit, excellent rank, 2016-06-27
- raw.githubusercontent.com https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/local/panda_psevents.rb referenced PoC, tagged "exploit" by a source, unverified
- exploit-db.com https://www.exploit-db.com/exploits/40020 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.5 | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| CNA | 4.0 | 8.5 | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- Panda Security Panda Global Protection 2016
- Panda Security Panda Antivirus Pro 2016
- Panda Security Panda Small Business Protection
- Panda Security Panda Internet Security 2016
Classification
- Weakness
-
- CWE-427 Uncontrolled Search Path Element
References
-
web.archive.org
/web/20160704105329/http://www.pandasecurity.com/uk/support/card?id=100053
vendor-advisory, patch
-
raw.githubusercontent.com
/rapid7/metasploit-framework/master/modules/exploits/windows/local/panda_psevents.rb
exploit
-
exploit-db.com
/exploits/40020
exploit
-
web.archive.org
/web/20170415211828/http://www.security-assessment.com/files/documents/advisory/Panda%20Security%20-%20Privile
third-party-advisory, technical-description
-
vulncheck.com
/advisories/panda-security-psevents-insecure-dll-loading-privilege-escalation
third-party-advisory
Sources
- CVE List CVE-2025-34109
- NVD CVE-2025-34109
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.