synced 1 MIN AGO
01 Record

CVE-2021-43940

Affected versions of Atlassian Confluence Server and Data Center allow authenticated local attackers to achieve elevated privileges on the local system via a DLL Hijacking vulnerability in the

HighPUBLISHEDCNA: atlassian
CNA base score7.8 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
View raw JSON

02 Description

Affected versions of Atlassian Confluence Server and Data Center allow authenticated local attackers to achieve elevated privileges on the local system via a DLL Hijacking vulnerability in the

03 Exploitation and scoring

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
0.33% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 25.8% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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.

04 Metadata

Published
2022-02-15 03:15Z4 YR AGO
Last updated
2024-10-08 16:38Z2 YR AGO
Reserved
2021-11-16
Assigning CNA
atlassian
Record state
PUBLISHED
Severity
High (CVSS 7.8)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-427Uncontrolled Search Path ElementBase
Data version
5.1
Document digest
b65e7947f081b646d33812a903410701e7535bfa872a8d8d4b63a0bc63997798

05 Affected products

VendorProductVersionsPlatforms
AtlassianConfluence Server< 7.4.10, 7.5.0 to < unspecified, < 7.12.3—
AtlassianConfluence Data Center< 7.4.10, 7.5.0 to < unspecified, < 7.12.3—
atlassianconfluence_data_center0 to < 7.4.10, 7.5.0 to < 7.12.3—
atlassianconfluence_server0 to < 7.4.10, 7.5.0 to < 7.12.3—

06 References