Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2020-2099 |
CWE-ID | CWE-287 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Jenkins Server applications / Application servers Jenkins LTS Server applications / Application servers |
Vendor | Jenkins |
Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU24758
Risk: High
CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-2099
CWE-ID:
CWE-287 - Improper Authentication
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to the affected software improperly reuses encryption key parameters in the Inbound TCP Agent Protocol/3. A remote attacker with knowledge of agent names can obtain the connection secrets for those agents, which can be used to connect to Jenkins, impersonating those agents.
MitigationInstall updates from vendor's website.
Vulnerable software versionsJenkins: 2.0 - 2.213
Jenkins LTS: 2.7.1 - 2.204.1
External linkshttp://www.openwall.com/lists/oss-security/2020/01/29/1
http://jenkins.io/security/advisory/2020-01-29/#SECURITY-1682
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.