CVE-2021-3057
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 1.4% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 1.4% in the next 30 days (EPSS).
- Severity: 8.1 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 1.4% · EPSS, next 30 days
- Weakness
- CWE-121
- Record status
- Modified
Affected
- Paloaltonetworks Globalprotect ≤ 5.0.8
- Paloaltonetworks Globalprotect ≤ 5.0.9
- Paloaltonetworks Globalprotect ≤ 5.0.10
- Paloaltonetworks Globalprotect ≤ 5.1.1
- Paloaltonetworks Globalprotect < 5.1.9
- Paloaltonetworks Globalprotect ≤ 5.1.4
- Paloaltonetworks Globalprotect < 5.2.8
- Paloaltonetworks Globalprotect < 5.3.1
Attack profile CVSS 3.1 · 8.1
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2021-3057.md and follow it. Check whether this project is affected by CVE-2021-3057. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://security.paloaltonetworks.com/CVE-2021-3057
- https://security.paloaltonetworks.com/CVE-2021-3057