CVE-2022-34174: jenkins project jenkins Observable Discrepancy
Vulnerability summary
CVE-2022-34174 is a high (CVSS 7.5) Observable Discrepancy vulnerability in jenkins project jenkins. EPSS estimates a 1.63% chance of exploitation in the next 30 days, higher than 76.2% of scored vulnerabilities.
Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 2% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3Timeline
- 22-06-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
In Jenkins 2.355 and earlier, LTS 2.332.3 and earlier, an observable timing discrepancy on the login form allows distinguishing between login attempts with an invalid username, and login attempts with a valid username and wrong password, when using the Jenkins user database security realm.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · MavenEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NDiffers
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
1.63%
Chance of exploitation in the next 30 days
Percentile
76%
Versus all other CVEs
30-day change
Increase +0.04 pp
From 1.59% 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
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Alpine1 product
- jenkins< 2.346.2-r0
Jenkins1 product
- jenkins≤ 2.332.3 | ≤ 2.355
Jenkins project1 product
- jenkins≥ unspecified, ≤ 2.355 | ≥ unspecified, ≤ LTS 2.332.3
Org.jenkins-ci.main1 product
- jenkins-core≥ 2.334, < 2.356 | < 2.332.4
4 vendors · 4 products
References
5 links
- github.com/jenkinsci/jenkinsPACKAGE