Critical severity · published Apr 20, 2022
CVE-2022-26133
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,…
9.8
CVSS
70.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)70.6% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BD
Bitbucket Data Center · Atlassian
5.14.0 before 7.6.14; 7.7.0 before 7.17.6; 7.18.0 before 7.18.4; 7.19.0 before 7.19.4; 7.20.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-26133
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-26133
Patch
https://confluence.atlassian.com/security/multiple-products-security-advisory-hazelcast-vulnerable-to-remote-code-execution-cve-2016-10750-1116292387.html
Vendor Advisory
https://jira.atlassian.com/browse/BSERV-13173
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