CVE-2022-26133
CriticalSharedSecretClusterAuthenticator in Atlassian Bitbucket Data Center versions 5.14.0 and later before 7.6.14, 7.7.0 and later prior to 7.17.6, 7.18.0 and later prior to 7.18.4, 7.19.0 and later prior to 7.19.4, and 7.20.0 allow a remote, unauthenticated attacker to execute…
Published Apr 20, 2022 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2022-26133 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Bitbucket Data Center (Atlassian).
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 70% probability of exploitation in the next 30 days.
- Fixed versions are available, including Bitbucket Data Center 7.6.14, Bitbucket Data Center 7.17.6, Bitbucket Data Center 7.18.4.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
70%
Higher than 99.3% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
Get the full CVE-2022-26133 brief as a PDF
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Description
SharedSecretClusterAuthenticator in Atlassian Bitbucket Data Center versions 5.14.0 and later before 7.6.14, 7.7.0 and later prior to 7.17.6, 7.18.0 and later prior to 7.18.4, 7.19.0 and later prior to 7.19.4, and 7.20.0 allow a remote, unauthenticated attacker to execute arbitrary code via Java deserialization.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Bitbucket Data CenterAtlassian | 7.20.0, >= 5.14.0 | 7.6.14 |
Patched Releases
Bitbucket Data Center
7.6.14, 7.17.6, 7.18.4, 7.19.4, unspecified
Timeline
Publicly disclosed
Apr 20, 2022
Last updated
Nov 21, 2024
Weakness Type
- CWE-502 Deserialization of Untrusted Data
References
FAQ
Common Questions.
SharedSecretClusterAuthenticator in Atlassian Bitbucket Data Center versions 5.14.0 and later before 7.6.14, 7.7.0 and later prior to 7.17.6, 7.18.0 and later prior to 7.18.4, 7.19.0 and later prior to 7.19.4, and 7.20.0 allow a remote, unauthenticated attacker to execute arbitrary code via Java deserialization.
Affected: Bitbucket Data Center (Atlassian) versions 7.20.0, >= 5.14.0. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Bitbucket Data Center 7.6.14, Bitbucket Data Center 7.17.6, Bitbucket Data Center 7.18.4.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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