Auth bypass in Fit2cloud Jumpserver
CVE-2023-42442
JumpServer is an open source bastion host and a professional operation and maintenance security audit system. Starting in version 3.0.0 and prior to versions 3.5.5 and 3.6.4, session replays can download without authentication. Session rep…
Vulnerability class: Broken Authentication
EPSS: 0.559 (98.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.
Affected products
- Fit2cloud Jumpserver
- Jumpserver — versions >= 3.0.0, < 3.5.5, >= 3.6.0, < 3.6.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC)
Frequently asked questions
- What is CVE-2023-42442?
- CVE-2023-42442 is a high-severity vulnerability in Fit2cloud Jumpserver, classified under Improper Authentication. CVSS score: 8.2/10. Published 2023-09-15.
- How severe is CVE-2023-42442?
- High severity. CVSS v3 base score is 8.2 out of 10.
- Is CVE-2023-42442 known to be exploited?
- 44 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.