CVE-2020-14177: atlassian jira_server
Vulnerability summary
CVE-2020-14177 is a medium (CVSS 6.5) vulnerability in atlassian jira_server. EPSS estimates a 2.23% chance of exploitation in the next 30 days, higher than 82.7% of scored vulnerabilities.
Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 21-09-2020PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
Affected versions of Atlassian Jira Server and Data Center allow remote attackers to impact the application's availability via a Regex-based Denial of Service (DoS) vulnerability in JQL version searching. The affected versions are before version 7.13.16; from version 7.14.0 before 8.5.7; from version 8.6.0 before 8.10.2; and from version 8.11.0 before 8.11.1.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
2.23%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.23% 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 causeNo weakness data has been published for this record.
Affected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Atlassian1 product
- jira_server≥ unspecified, < 7.13.6 | ≥ 7.14.0, < unspecified | ≥ unspecified, < 8.5.7 | ≥ 8.6.0, < unspecified | ≥ unspecified, < 8.10.2 | ≥ 8.11.0, < unspecified | ≥ unspecified, < 8.11.1 | < 7.13.16 | ≥ 7.14.0, < 8.5.7 | ≥ 8.6.0, < 8.10.2 | ≥ 8.11.0, < 8.11.1
1 vendor · 1 product