CVE-2022-23521
An attacker can exploit multiple vulnerabilities in Atlassian Bamboo, Atlassian Bitbucket, Atlassian Confluence, Atlassian Crucible, Atlassian Fisheye, and Atlassian Jira to execute arbitrary code, conduct a denial of service attack, disclose information, perform a cross-site scripting attack, and bypass security measures.
CSIRTS triage
- What
- Multiple vulnerabilities allow an attacker to execute arbitrary code, conduct denial of service attacks, disclose information, perform cross-site scripting attacks, and bypass security measures.
- Who is affected
- Deployments of Atlassian Bamboo, Bitbucket, Confluence, Crucible, Fisheye, and Jira are affected.
- Urgency
- Remediation is urgent due to the high severity and confirmed exploitation of these vulnerabilities.
- Action
- Apply the latest security patches provided by Atlassian.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation likely imminentEPSS puts this in the most-targeted tier (56.3% 30-day exploitation probability). Prioritize alongside KEV items. Riskier than 99% of all EPSS-scored CVEs.
Advisory coverage (2)
- high[UPDATE] [high] Atlassian products (Bamboo, Bitbucket, Confluence, Crucible, Fisheye, and Jira): Multiple vuln…cert-bund · 2026-07-07
- unknownJenkins Security Advisory 2023-02-09jenkins · 2023-02-09
External references
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[](https://www.csirts.com/cve/CVE-2022-23521)