CVE-2021-39115: atlassian jira_service_desk
Vulnerability summary
CVE-2021-39115 is a high (CVSS 9.0) vulnerability in atlassian jira_service_desk. EPSS estimates a 4.48% chance of exploitation in the next 30 days, higher than 91.4% of scored vulnerabilities.
Not severe (CVSS 7.2, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 01-09-2021PublishedVulnerability first disclosed.
- 11-10-2024Last modifiedVulnerability information updated.
Description
Affected versions of Atlassian Jira Service Management Server and Data Center allow remote attackers with "Jira Administrators" access to execute arbitrary Java code or run arbitrary system commands via a Server_Side Template Injection vulnerability in the Email Template feature. The affected versions are before version 4.13.9, and from version 4.14.0 before 4.18.0.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST7.2HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
4.48%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
No change 0.00 pp
From 4.48% 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 cause- CWE-96Improper Neutralization of Directives in Statically Saved CodeThe product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes code syntax before inserting the input into an executable resource, such as a library, configuration file, or template.
- CWE-94Improper Control of Generation of CodeThe product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
Affected systems
Known conditions: network-reachable, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Atlassian4 products
- jira_service_desk< 4.13.9
- jira service desk data center≥ unspecified, < 4.13.9 | ≥ 4.14.0, < unspecified | ≥ unspecified, < 4.18.0
- jira service desk server≥ unspecified, < 4.13.9 | ≥ 4.14.0, < unspecified | ≥ unspecified, < 4.18.0
- jira_service_management≥ 4.14.0, < 4.18.0
1 vendor · 4 products