7.2

CVE-2021-43944: atlassian jira_data_center Improper Control of Generation of Code

Modified
Published 08-03-2022Last modified 04-10-2024

Vulnerability summary

CVE-2021-43944 is a high (CVSS 7.2) Improper Control of Generation of Code vulnerability in atlassian jira_data_center. EPSS estimates a 2.31% chance of exploitation in the next 30 days, higher than 83.4% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.2, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.2/10
010
High · v3.1 (CVE.org)
EPSS score
2.31%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 08-03-2022
    PublishedVulnerability first disclosed.
  2. 04-10-2024
    Last modifiedVulnerability information updated.

Description

This issue exists to document that a security improvement in the way that Jira Server and Data Center use templates has been implemented. Affected versions of Atlassian Jira Server and Data Center allowed remote attackers with system administrator permissions to execute arbitrary code via Template Injection leading to Remote Code Execution (RCE) in the Email Templates feature. The affected versions are before version 8.13.15, and from version 8.14.0 before 8.20.3.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

2.31%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

No change 0.00 pp

From 2.31% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Atlassian2 products
  • jira_data_center≥ unspecified, < 8.13.15 | ≥ 8.14.0, < unspecified | ≥ unspecified, < 8.20.3 | < 8.13.15 | ≥ 8.14.0, < 8.20.3
  • jira_server≥ unspecified, < 8.13.15 | ≥ 8.14.0, < unspecified | ≥ unspecified, < 8.20.3 | < 8.13.15 | ≥ 8.14.0, < 8.20.3

1 vendor · 2 products

References

1 links