Cyber Resilience

CVE-2021-39115

HighRCE

Published: 01 September 2021

Published
01 September 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.2574 96.4th percentile
Risk Priority 30 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-39115 is a high-severity Static Code Injection (CWE-96) vulnerability in Atlassian Jira Service Desk. Its CVSS base score is 7.2 (High).

Operationally, ranked in the top 3.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

affected versions are before version 4.13.9, and from version 4.14.0 before 4.18.0.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

atlassian
jira service desk
≤ 4.13.9 · ≤ 4.13.9
atlassian
jira service management
4.14.0 — 4.18.0 · 4.14.0 — 4.18.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-96 CWE-94

Eliminates the possibility of static code injection into saved executables by making the storage non-modifiable.

addresses: CWE-94

Dynamically generated code can be produced and executed inside the isolated chamber, preventing host compromise from code-injection payloads.

addresses: CWE-94

Validates inputs used in dynamic code generation to block injected directives.

addresses: CWE-94

Directly prevents execution of attacker-supplied code written into data memory regions.

References