CVE-2020-25200 — MEDIUM (5.3)

Vulnerability Description

Pritunl 1.29.2145.25 allows attackers to enumerate valid VPN usernames via a series of /auth/session login attempts. Initially, the server will return error 401. However, if the username is valid, then after 20 login attempts, the server will start responding with error 400. Invalid usernames will receive error 401 indefinitely. Note: This has been disputed by the vendor as not a vulnerability. They argue that this is an intended design

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Pritunl	Pritunl	1.29.2145.25

Related Weaknesses (CWE)

CWE-203

References

https://github.com/lukaszstu/pritunl/blob/master/CVE-2020-25200ExploitThird Party Advisory
https://pritunl.comVendor Advisory
https://pritunl.com/securityVendor Advisory
https://github.com/lukaszstu/pritunl/blob/master/CVE-2020-25200ExploitThird Party Advisory
https://pritunl.comVendor Advisory
https://pritunl.com/securityVendor Advisory

FAQ

What is CVE-2020-25200?

CVE-2020-25200 is a vulnerability with a CVSS score of 5.3 (MEDIUM). Pritunl 1.29.2145.25 allows attackers to enumerate valid VPN usernames via a series of /auth/session login attempts. Initially, the server will return error 401. However, if the username is valid, the...

How severe is CVE-2020-25200?

CVE-2020-25200 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-25200?

Check the references section above for vendor advisories and patch information. Affected products include: Pritunl Pritunl.