CVE-2021-43959: atlassian jira_service_desk Server-Side Request Forgery
Vulnerability summary
CVE-2021-43959 is a medium (CVSS 5.7) Server-Side Request Forgery vulnerability in atlassian jira_service_desk. EPSS estimates a 0.72% chance of exploitation in the next 30 days, higher than 53.9% of scored vulnerabilities.
Not severe (CVSS 5.7, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 26-07-2022PublishedVulnerability first disclosed.
- 03-10-2024Last modifiedVulnerability information updated.
Description
Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to access the content of internal network resources via a Server-Side Request Forgery (SSRF) vulnerability in the CSV importing feature of JSM Insight. When running in an environment like Amazon EC2, this flaw may be used to access to a metadata resource that provides access credentials and other potentially confidential information. The affected versions are before version 4.13.20, from version 4.14.0 before 4.20.8, and from version 4.21.0 before 4.22.2.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.72%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
Increase +0.02 pp
From 0.70% 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, low-privilege account, user interaction (CVSS vector). Other conditions: not stated in public data.
Atlassian4 products
- jira_service_desk< 4.13.20
- jira_service_management≥ 4.14.0, < 4.20.8 | ≥ 4.21.0, < 4.22.2
- jira service management data center≥ unspecified, < 4.13.20 | ≥ 4.14.0, < unspecified | ≥ unspecified, < 4.20.8 | ≥ 4.21.0, < unspecified | ≥ unspecified, < 4.22.2
- jira service management server≥ unspecified, < 4.13.20 | ≥ 4.14.0, < unspecified | ≥ unspecified, < 4.20.8 | ≥ 4.21.0, < unspecified | ≥ unspecified, < 4.22.2
1 vendor · 4 products