CVE-2021-39114: atlassian confluence_data_center Improper Control of Generation of Code
Vulnerability summary
CVE-2021-39114 is a high (CVSS 8.8) Improper Control of Generation of Code vulnerability in atlassian confluence_data_center. EPSS estimates a 1.68% chance of exploitation in the next 30 days, higher than 77% of scored vulnerabilities.
Not severe (CVSS 8.8, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 05-04-2022PublishedVulnerability first disclosed.
- 04-10-2024Last modifiedVulnerability information updated.
Description
Affected versions of Atlassian Confluence Server and Data Center allow users with a valid account on a Confluence Data Center instance to execute arbitrary Java code or run arbitrary system commands by injecting an OGNL payload. The affected versions are before version 6.13.23, from version 6.14.0 before 7.4.11, from version 7.5.0 before 7.11.6, and from version 7.12.0 before 7.12.5.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.68%
Chance of exploitation in the next 30 days
Percentile
77%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.68% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Atlassian2 products
- confluence_data_center≥ unspecified, < 6.13.23 | ≥ 6.14.0, < unspecified | ≥ unspecified, < 7.4.11 | ≥ 7.5.0, < unspecified | ≥ unspecified, < 7.11.6 | ≥ 7.12.0, < unspecified | ≥ unspecified, < 7.12.5 | < 6.13.23 | ≥ 6.14.0, < 7.4.11 | ≥ 7.5.0, < 7.11.6 | ≥ 7.12.0, < 7.12.5
- confluence_server≥ unspecified, < 6.13.23 | ≥ 6.14.0, < unspecified | ≥ unspecified, < 7.4.11 | ≥ 7.5.0, < unspecified | ≥ unspecified, < 7.11.6 | ≥ 7.12.0, < unspecified | ≥ unspecified, < 7.12.5 | < 6.13.23 | ≥ 6.14.0, < 7.4.11 | ≥ 7.5.0, < 7.11.6 | ≥ 7.12.0, < 7.12.5
Ubuntu1 product
- confluenceAll versions (No fix recorded)
2 vendors · 3 products