CVE-2020-36240: atlassian crowd
Vulnerability summary
CVE-2020-36240 is a medium (CVSS 5.3) vulnerability in atlassian crowd. EPSS estimates a 1.28% chance of exploitation in the next 30 days, higher than 69.9% of scored vulnerabilities.
Not severe (CVSS 5.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 01-03-2021PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
The ResourceDownloadRewriteRule class in Crowd before version 4.0.4, and from version 4.1.0 before 4.1.2 allowed unauthenticated remote attackers to read arbitrary files within WEB-INF and META-INF directories via an incorrect path access check.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.28%
Chance of exploitation in the next 30 days
Percentile
70%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.28% 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 causeNo weakness data has been published for this record.
Affected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Atlassian1 product
- crowd≥ unspecified, < 4.0.4 | ≥ 4.1.0, < unspecified | ≥ unspecified, < 4.1.2 | < 4.0.4 | ≥ 4.1.0, < 4.1.2
1 vendor · 1 product