Information disclosure in Fit2cloud Jumpserver
CVE-2023-42820
JumpServer is an open source bastion host. This vulnerability is due to exposing the random number seed to the API, potentially allowing the randomly generated verification codes to be replayed, which could lead to password resets. If MFA…
Vulnerability class: Information Disclosure
EPSS: 0.054 (91.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:L.
Affected products
- Fit2cloud Jumpserver
- Jumpserver — versions >= 2.24, < 2.28.19, >= 3.0.0, < 3.6.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2023-42820?
- CVE-2023-42820 is a high-severity vulnerability in Fit2cloud Jumpserver, classified under Information Disclosure. CVSS score: 7.0/10. Published 2023-09-27.
- How severe is CVE-2023-42820?
- High severity. CVSS v3 base score is 7.0 out of 10.
- Is CVE-2023-42820 known to be exploited?
- 25 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.