CVE-2023-46123
MEDIUMfit2cloud jumpserver < 3.8.0 - Unauthenticated Password Brute-Force Protection Bypass via IP Spoofing
Title source: llmDescription
jumpserver is an open source bastion machine, professional operation and maintenance security audit system that complies with 4A specifications. A flaw in the Core API allows attackers to bypass password brute-force protections by spoofing arbitrary IP addresses. By exploiting this vulnerability, attackers can effectively make unlimited password attempts by altering their apparent IP address for each request. This vulnerability has been patched in version 3.8.0.
References (3)
Core 3
Core References
Exploit, Vendor Advisory x_refsource_confirm
https://github.com/jumpserver/jumpserver/security/advisories/GHSA-hvw4-766m-p89f
Release Notes x_refsource_misc
https://github.com/jumpserver/jumpserver/releases/tag/v3.8.0
Various Sources x_refsource_misc
https://www.sonarsource.com/blog/diving-into-jumpserver-attackers-gateway-to-internal-networks-1-2
Scores
CVSS v3
5.3
EPSS
0.0070
EPSS Percentile
48.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-307
Status
published
Products (1)
fit2cloud/jumpserver
< 3.8.0
Published
Oct 25, 2023
Tracked Since
Feb 18, 2026