Auth bypass in Helpsystems Cobalt Strike

CVE-2022-23317

CobaltStrike <=4.5 HTTP(S) listener does not determine whether the request URL begins with "/", and attackers can obtain relevant information by specifying the URL.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.011 (63.7th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-23317: held from 0.011 to 0.011.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-23317?
CVE-2022-23317 is a high-severity vulnerability in Helpsystems Cobalt Strike, classified under Improper Authentication. CVSS score: 7.5/10. Published 2022-02-15.
How severe is CVE-2022-23317?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-23317 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.