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CVE-2017-1000396

20
FAUCET Score

CVE-2017-1000396 affects Jenkins versions 2.73.1 and earlier, and 2.83 and earlier, due to a bundled vulnerable version of the commons-httpclient library (CVE-2012-6153). This vulnerability allows for man-in-the-middle attacks by incorrectly verifying SSL certificates, impacting the confidentiality and integrity of communications. Rated as MEDIUM severity (CVSS 5.9), it requires no user interaction and has high impact potential on integrity, though attack complexity is high. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.73.1CPE matchmatch criteria
cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*
<= 2.83CPE matchmatch criteria
cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.9MEDIUM

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.50%
Probability of exploitation in next 30 days
EPSS Percentile
39.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0050 is in the 6th percentile among its peer group of 19,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

mavenpatch availablevia ghsa
Product: org.jenkins-ci.main:jenkins-coreFixed in: 2.73.2
mavenpatch availablevia ghsa
Product: org.jenkins-ci.main:jenkins-coreFixed in: 2.84

Vendor Advisories (2)

mavenGHSA-fq9f-9wv9-rfmgmedium

Improper Certificate Validation in Jenkins

May 14, 2022
redhatCVE-2017-1000396Moderate

jenkins: Jenkins core bundled vulnerable version of the commons-httpclient library (SECURITY-555)

Oct 11, 2017

References

jenkins.io / security/advisory/2017-10-11
Vendor Advisory