CVE-2023-46123
A flaw in the Core API allows attackers to bypass password brute-force protections by spoofing arbitrary IP addresses.
Does this matter?
Lower severity and a low EPSS score (0.70%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 0.70% probability · 51th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-307
- Affected
- fit2cloud/jumpserver
- Source
- security-advisories@github.com
References
- https://github.com/jumpserver/jumpserver/releases/tag/v3.8.0Release Notes
- https://github.com/jumpserver/jumpserver/security/advisories/GHSA-hvw4-766m-p89fExploit, Vendor Advisory
- https://www.sonarsource.com/blog/diving-into-jumpserver-attackers-gateway-to-internal-networks-1-2
- https://github.com/jumpserver/jumpserver/releases/tag/v3.8.0Release Notes
- https://github.com/jumpserver/jumpserver/security/advisories/GHSA-hvw4-766m-p89fExploit, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.