Vulnerability · Published Apr 20, 2022 · Assigned by atlassian
CVE-2022-26133
Critical 9.8
In plain English
A critical-severity unsafe deserialization in Bitbucket Data Center from Atlassian. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 70.6% (higher than 99.4% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Atlassian | Bitbucket Data Center | 5.14.0 – before unspecifiedunspecified – before 7.6.147.7.0 – before unspecifiedunspecified – before 7.17.67.18.0 – before unspecifiedunspecified – before 7.18.47.19.0 – before unspecifiedunspecified – before 7.19.4 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H