by Kastro
Paper/Archive/CVE-2022-43781

CVE-2022-43781

Atlassian Bitbucket Data Center — There is a command injection vulnerability using environment variables in Bitbucket Server and Data Center.

EPSS 98%CVSS 9.8
critical.is priorityof 100
49
CVSS 9.8 (NVD, ADP agree)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 99.9.999 × 2020.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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”.

Affected

ProductAffectedFixed inSource
Bitbucket Data Centerbefore 7.17.12before 7.0CNA
Bitbucket Data Centerbefore 7.21.6before 7.0CNA
Bitbucket Data Centerbefore 7.6.19before 7.0CNA
Bitbucket Data Centerbefore 8.0.5–CNA
Bitbucket Data Centerbefore 8.1.5–CNA
Bitbucket Data Centerbefore 8.2.4–CNA
Bitbucket Data Centerbefore 8.3.3–CNA
Bitbucket Data Centerbefore 8.4.2–CNA
Bitbucket Data Centerbefore 8.5.0–CNA
Bitbucket Serverbefore 7.17.12before 7.0CNA
Bitbucket Serverbefore 7.21.6before 7.0CNA
Bitbucket Serverbefore 7.6.19before 7.0CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refconfluence.atlassian.com/x/Y4hXRgrefjira.atlassian.com/browse/BSERV-13522