Buffer overflow in Palo Alto Networks Globalprotect App
CVE-2021-3057
A stack-based buffer overflow vulnerability exists in the Palo Alto Networks GlobalProtect app that enables a man-in-the-middle attacker to disrupt system processes and potentially execute arbitrary code with SYSTEM privileges. This issue impacts: GlobalProtect app 5.1 versions earlier than GlobalProtect app 5.1.9 on Windows; GlobalProtect app 5.2 versions earlier than GlobalProtect app 5.2.8 on Windows; GlobalProtect app 5.2 versions earlier than GlobalProtect app 5.2.8 on the Universal Windows Platform; GlobalProtect app 5.3 versions earlier than GlobalProtect app 5.3.1 on Linux.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.014 (71.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Palo Alto Networks Globalprotect App — versions 5.1, 5.2, 5.3
- Paloaltonetworks Globalprotect — versions 5.0
Weakness classification (CWE)
References
- security.paloaltonetworks.com/CVE-2021-3057 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-3057?
- CVE-2021-3057 is a high-severity vulnerability in Palo Alto Networks Globalprotect App, classified under Stack-based Buffer Overflow. CVSS score: 8.1/10. Published 2021-10-13.
- How severe is CVE-2021-3057?
- High severity. CVSS v3 base score is 8.1 out of 10.