CVE-2022-43781

There is a command injection vulnerability using environment variables in Bitbucket Server and Data Center. An attacker with permission to control their username can exploit this issue to execute arbitrary code on the system. This vulnerability can be unauthenticated if the Bitbucket Server and Data Center instance has enabled Allow public signup.
Command Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
atlassianCNA
---
---
CVEADP
---
---
CISA-ADPADP
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 99%
VendorProductVersion
atlassianbitbucket
7.0.0 ≤
𝑥
< 7.6.19
atlassianbitbucket
7.7.0 ≤
𝑥
< 7.17.12
atlassianbitbucket
7.18.0 ≤
𝑥
< 7.21.6
atlassianbitbucket
7.22.0 ≤
𝑥
< 8.0.5
atlassianbitbucket
8.1.0 ≤
𝑥
< 8.1.5
atlassianbitbucket
8.2.0 ≤
𝑥
< 8.2.4
atlassianbitbucket
8.3.0 ≤
𝑥
< 8.3.3
atlassianbitbucket
8.4.0 ≤
𝑥
< 8.4.2
𝑥
= Vulnerable software versions