Skip to main content

Bitbucket CVE-2019-15000

CRITICAL
OS Command Injection (CWE-78)
2019-09-19 security@atlassian.com
9.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization OS command sanitization, avoid shell exec
MITRE ATT&CK

2 techniques across 1 tactic: Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.

Exploit ScenarioDerived

A remote attacker could execute arbitrary operating system commands on the host by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 7.8% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

The commit diff rest endpoint in Bitbucket Server and Data Center before 5.16.10 (the fixed version for 5.16.x ), from 6.0.0 before 6.0.10 (the fixed version for 6.0.x), from 6.1.0 before 6.1.8 (the. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. The commit diff rest endpoint in Bitbucket Server and Data Center before 5.16.10 (the fixed version for 5.16.x ), from 6.0.0 before 6.0.10 (the fixed version for 6.0.x), from 6.1.0 before 6.1.8 (the fixed version for 6.1.x), from 6.2.0 before 6.2.6 (the fixed version for 6.2.x), from 6.3.0 before 6.3.5 (the fixed version for 6.3.x), from 6.4.0 before 6.4.3 (the fixed version for 6.4.x), and from 6.5.0 before 6.5.2 (the fixed version for 6.5.x) allows remote attackers who have permission to access a repository, if public access is enabled for a project or repository then attackers are able to exploit this issue anonymously, to read the contents of arbitrary files on the system and execute commands via injecting additional arguments into git commands. Affected products include: Atlassian Bitbucket. Version information: before 5.16.10.

Know when Bitbucket gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

The commit diff rest endpoint in Bitbucket Server and Data Center before 5.16.10 (the fixed version for 5.16.x ), from 6.0.0 before 6.0.10 (the fixed version for 6.0.x), from 6.1.0 before 6.1.8 (the fixed version for 6.1.x), from 6.2.0 before 6.2.6 (the fixed version for 6.2.x), from 6.3.0 before 6.3.5 (the fixed version for 6.3.x), from 6.4.0 before 6.4.3 (the fixed version for 6.4.x), and from 6.5.0 before 6.5.2 (the fixed version for 6.5.x) allows remote attackers who have permission to access a repository, if public access is enabled for a project or repository then attackers are able to exploit this issue anonymously, to read the contents of arbitrary files on the system and execute commands via injecting additional arguments into git commands.

Threat Intelligence Overview

EPSS Score
7.8%
Top 6% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC No
EPSS 7.8%
Patch available No
Active threat No
Deciding rule
CRITICAL severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

57
Low Medium High Critical
KEV: 0
EPSS: +8
CVSS: +49
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Affected Products (CPE)NVD

cpe:2.3:a:atlassian:bitbucket:*:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:bitbucket:*:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:bitbucket:*:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:bitbucket:*:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:bitbucket:*:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:bitbucket:*:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:bitbucket:*:*:*:*:*:*:*:*
CVE-2022-43781 CRITICAL POC
9.8 Nov 17

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

CVE-2022-36804 HIGH POC
8.8 Aug 25

Multiple API endpoints in Atlassian Bitbucket Server and Data Center 7.0.0 before version 7.6.17, from version 7.7.0 bef

CVE-2018-5225 CRITICAL
9.9 Mar 22

In browser editing in Atlassian Bitbucket Server from version 4.13.0 before 5.4.8 (the fixed version for 4.13.0 through

CVE-2022-26136 CRITICAL
9.8 Jul 20

A vulnerability in multiple Atlassian products allows a remote, unauthenticated attacker to bypass Servlet Filters used

CVE-2026-86059 CRITICAL
9.6 Sep 22

Dokploy instances running versions prior to 0.29.13 disclose stored Git provider secrets - GitHub App private keys, OAut

CVE-2019-3397 CRITICAL
9.1 Jun 03

Atlassian Bitbucket Data Center licensed instances starting with version 5.13.0 before 5.13.6 (the fixed version for 5.1

CVE-2022-26137 HIGH
8.8 Jul 20

A vulnerability in multiple Atlassian products allows a remote, unauthenticated attacker to cause additional Servlet Fil

CVE-2020-14171 MEDIUM
6.5 Jul 09

Atlassian Bitbucket Server from version 4.9.0 before version 7.2.4 allows remote attackers to intercept unencrypted repo

CVE-2013-0265 LOW POC
2.1 Feb 13

The redirect_stderr function in xnbd_common.c in xnbd-server and xndb-wrapper in xNBD 0.1.0 allow local users to overwri

CVE-2016-4320 MEDIUM
4.3 Apr 10

Atlassian Bitbucket Server before 4.7.1 allows remote attackers to read the first line of an arbitrary file via a direct

CVE-2020-14170 MEDIUM
4.3 Jul 09

Webhooks in Atlassian Bitbucket Server from version 5.4.0 before version 7.3.1 allow remote attackers to access the cont

CVE-2019-15005 MEDIUM
4.3 Nov 08

The Atlassian Troubleshooting and Support Tools plugin prior to version 1.17.2 allows an unprivileged user to initiate p

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy