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Vulnerabilities

Vulnerability · CVE-2019-8451

Atlassian Jira Server and Data Center Server-Side Request Forgery (SSRF)

Published Dec 6, 2023 · catalog updated Dec 6, 2023 · Atlassian Jira Server and Data Center

Patch now

CVE-2019-8451 is in the CISA known-exploited catalog. Confirm Atlassian Jira Server and Data Center against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
94.45%
Remediation
Remediation guidance
Affected products
vendor Atlassian Jira Server and Data Center

The /plugins/servlet/gadgets/makeRequest resource in Jira before version 8.4.0 allows remote attackers to access the content of internal network resources via a Server Side Request Forgery (SSRF) vulnerability due to a logic bug in the JiraWhitelist class.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Atlassian Jira Server and Data Centerversion unspecified

How to fix CVE-2019-8451

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2019-8451 is in the CISA known-exploited catalog. Confirm Atlassian Jira Server and Data Center against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 94.45%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 6, 2023 · VulnCheck KEV

    Detected

    The /plugins/servlet/gadgets/makeRequest resource in Jira before version 8.4.0 allows remote attackers to access the content of internal network resources via a Server Side Request Forgery (SSRF) vulnerability due to a logic bug in the JiraWhitelist class.

  2. Dec 6, 2023 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2019-8451

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2019-8451

    30-day exploitation probability 94.5%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2019-8451

    The /plugins/servlet/gadgets/makeRequest resource in Jira before version 8.4.0 allows remote attackers to access the content of internal network resources via a Server Side Request Forgery (SSRF) vulnerability due to a logic bug in the JiraWhitelist class.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.