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CVE-2022-36804

Atlassian Bitbucket Server and Data Center Command Injection

8.8 HIGHActively exploited (CISA KEV)Public exploitEPSS 99.2%
  1. Published25 Aug 2022
  2. Added to CISA KEV30 Sept 2022
  3. Remediation due21 Oct 2022
Actively exploited (CISA KEV)

Multiple API endpoints of Atlassian Bitbucket Server and Data Center contain a command injection vulnerability where an attacker with access to a public Bitbucket repository, or with read permissions to a private one, can execute code by sending a malicious HTTP request.

Added to KEV: 30 Sept 2022Federal remediation due: 21 Oct 2022

Description

Multiple API endpoints in Atlassian Bitbucket Server and Data Center 7.0.0 before version 7.6.17, from version 7.7.0 before version 7.17.10, from version 7.18.0 before version 7.21.4, from version 8.0.0 before version 8.0.3, from version 8.1.0 before version 8.1.3, and from version 8.2.0 before version 8.2.2, and from version 8.3.0 before 8.3.1 allows remote attackers with read permissions to a public or private Bitbucket repository to execute arbitrary code by sending a malicious HTTP request. This vulnerability was reported via our Bug Bounty Program by TheGrandPew.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Atlassian Bitbucket≥ 7.0.0 < 7.6.17 · ≥ 7.18.0 < 7.21.4 · ≥ 7.7.0 < 7.17.10 · ≥ 8.0.0 < 8.0.3

Remediation

Fixed in
Atlassian Bitbucket≥ 7.6.17

References

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Frequently asked

Is CVE-2022-36804 being actively exploited?

Yes. CVE-2022-36804 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 30 Sept 2022.

How severe is CVE-2022-36804?

CVE-2022-36804 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 99.2% probability of exploitation.

Which products are affected by CVE-2022-36804?

Affected products include Atlassian Bitbucket.

How do I fix CVE-2022-36804?

Upgrade affected software to a fixed version, for example Atlassian Bitbucket 7.6.17 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2022-36804 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.