CVE-2021-39128

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

2.57% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 84.7% of scored records. A rank, not a probability.

NVD base score

7.2 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-09-16 05:20Z5 YR AGO

Last updated

2024-10-10 16:00Z2 YR AGO

Reserved

2021-08-16

Assigning CNA

atlassian

Record state

PUBLISHED

Severity

High (CVSS 7.2)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-1336Improper Neutralization of Special Elements Used in a Template EngineBase
• CWE-94Improper Control of Generation of Code ('Code Injection')Base

Data version

5.1

Document digest

3a1a31aef5fe9695fa4e1ee8d31b2056aa6b89957547ff7f37e845a976d81e32

• jira.atlassian.comhttps://jira.atlassian.com/browse/JRASERVER-72804x_refsource_MISC