CVE-2017-2649 Jenkins Active Directory Plugin did not verify certificate of AD server
The Jenkins Active Directory plugin fails to verify server certificates, allowing attackers to perform Man-in-the-Middle attacks and intercept authentication data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-2649?
CVE-2017-2649 is a high-severity vulnerability in Active Directory Jenkins plugin, published on 27 Jul 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
It was found that the Active Directory Plugin for Jenkins up to and including version 2.2 did not verify certificates of the Active Directory server, thereby enabling Man-in-the-Middle attacks.
Weakness: CWE-295
Which versions are affected by CVE-2017-2649?
2 open source packages ship an affected version, including org.jenkins-ci.plugins:active-directory. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.jenkins-ci.plugins:active-directory Maven | All versions | 2.3 |
org.jenkins-ci.plugins:active-directory Maven | All versions | 2.3 |
Products include Jenkins Active Directory.
How do I fix CVE-2017-2649?
Upgrade org.jenkins-ci.plugins:active-directory to 2.3 or later.
Is CVE-2017-2649 being exploited?
There is no known exploitation of CVE-2017-2649 in the wild and no public exploit code.
Other vulnerabilities in Active Directory Jenkins plugin
- CVE-2020-2299 Improper Authentication in Jenkins Active Directory Plugin
- CVE-2020-2300 Improper Authentication (empty password) in Jenkins Active Directory Plugin
- CVE-2020-2301 Authentication cache in Active Directory Jenkins Plugin allows logging in with any password
- CVE-2019-1003009 Jenkins Active Directory Plugin Improper certificate validation with StartTLS
- CVE-2026-48918 Jenkins Active Directory Plugin follows LDAP referrals by default
Sources
Also known as GHSA-vcgj-j8c5-2h52.