CVE-2023-46123: jumpserver is vulnerable to password brute-force protection bypass via arbitrary IP values
Vulnerability summary
CVE-2023-46123 is a medium (CVSS 5.3) vulnerability in fit2cloud jumpserver. EPSS estimates a 0.89% chance of exploitation in the next 30 days, higher than 59.4% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 5.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 25-10-2023PublishedVulnerability first disclosed.
- 25-03-2025Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.89%
Chance of exploitation in the next 30 days
Percentile
59%
Versus all other CVEs
30-day change
Increase +0.19 pp
From 0.70% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundJumpserver
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Fit2cloud1 product
- jumpserver< 3.8.0
Jumpserver1 product
- jumpserver< 3.8.0
2 vendors · 2 products
References
3 links- github.com/jumpserver/jumpserver/security/advisories/GHSA-hvw4-766m-p89fX Refsource CONFIRMExploitVendor Advisory