01 Record
CVE-2021-26072
The WidgetConnector plugin in Confluence Server and Confluence Data Center before version 5.8.6 allowed remote attackers to manipulate the content of internal network resources via a blind Server-Side
UnratedPUBLISHEDCNA: atlassian
CNA base scoreUnratedNo CNA CVSS vector
02 Description
The WidgetConnector plugin in Confluence Server and Confluence Data Center before version 5.8.6 allowed remote attackers to manipulate the content of internal network resources via a blind Server-Side
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 41.21% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 98.6% of scored records. A rank, not a probability.
- NVD base score
- 4.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- 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
- 2021-04-01 18:10Z5 YR AGO
- Last updated
- 2024-09-17 01:40Z2 YR AGO
- Reserved
- 2021-01-25
- Assigning CNA
- atlassian
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-918Server-Side Request Forgery (SSRF)Base
- Data version
- 5.1
- Document digest
- b47c2e7cab974d66e31029c4b8e31ce1fcd2b83bcaf09372adbaf92d5b03cc60
05 Affected products
VendorProductVersionsPlatforms
06 References
- jira.atlassian.comhttps://jira.atlassian.com/browse/CONFSERVER-61399