CVE-2018-1000418: atlassian hipchat Incorrect Authorization
Vulnerability summary
CVE-2018-1000418 is a high (CVSS 8.8) Incorrect Authorization vulnerability in atlassian hipchat. EPSS estimates a 1.06% chance of exploitation in the next 30 days, higher than 64.7% of scored vulnerabilities.
Not severe (CVSS 8.8, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 09-01-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
An improper authorization vulnerability exists in Jenkins HipChat Plugin 2.2.0 and earlier in HipChatNotifier.java that allows attackers with Overall/Read access to send test notifications to an attacker-specified HipChat server with attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · MavenEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.06%
Chance of exploitation in the next 30 days
Percentile
65%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.06% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Atlassian1 product
- hipchat≤ 2.2.0
Org.jvnet.hudson.plugins1 product
- hipchat< 2.2.1
2 vendors · 2 products
References
4 links- jenkins.io/security/advisory/2018-09-25/X Refsource CONFIRM