Vulnerability · Published Nov 14, 2024 · Assigned by palo_alto

CVE-2024-5918PAN-OS: Improper Certificate Validation Enables Impersonation of a Legitimate GlobalProtect User

Medium 5.3

In plain English

A medium-severity improper certificate validation in Cloud NGFW from Palo Alto Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).

Severity (CVSS 4.0)5.3Medium

Exploit odds (30 days)0.2%top 92.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

An improper certificate validation vulnerability in Palo Alto Networks PAN-OS software enables an authorized user with a specially crafted client certificate to connect to an impacted GlobalProtect portal or GlobalProtect gateway as a different legitimate user. This attack is possible only if you "Allow Authentication with User Credentials OR Client Certificate."

Affected products (as reported)

Vendor	Product	Versions
Palo Alto Networks	Cloud NGFW	see references
Palo Alto Networks	PAN-OS	11.0.0 – before 11.0.310.2.0 – before 10.2.4-h510.1.0 – before 10.1.11
Palo Alto Networks	Prisma Access	see references

Weakness: CWE-295 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L/AU:N/R:A/V:C/RE:M/U:Amber

References

https://security.paloaltonetworks.com/CVE-2024-5918 vendor-advisory