CVE-2022-43781

criticalpriority · act · 83EPSS 0.980 · 100 %ileexploit · weaponizedDEEURUUS
grimoire priorityP1 · Urgent
Exploitable?
Public exploit
1 exploit · weaponized
Likely / severe?
98.0% (100th) EPSS
CVSS 9.8 · critical
Is it mine?
35 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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”.

01

cvss

Technical severity, 0–10. One row per scoring source.

9.8
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9
v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 3.9 · impact 5.9
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-77USprimaryCWE-77US
04

exploits (1)

Public proof-of-concept and weaponised exploit code.

05

affected products (35)

Products and version ranges known to be affected.

showing 20 of 35
06

advisories (1)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2022-2100Atlassian Bitbucket: Schwachstelle ermöglicht CodeausführungDeutsch2022-11-16csaf · cert_bundDE

    Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Atlassian Bitbucket ausnutzen, um beliebigen Programmcode auszuführen.

07

also known as (4)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducert_bundNVDCVE.orgMITRE
published 2022-11-17modified 2026-06-17
10

references (9)

External citations — patches, advisories, analysis.

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