Atlassian Bitbucket Server up to 5.3.x Webhooks Request server-side request forgery

entryeditHistoryDiffjsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

A vulnerability was found in Atlassian Bitbucket Server up to 5.3.x. It has been rated as critical. Affected by this issue is some unknown processing of the component Webhooks. The manipulation as part of a Request leads to a privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-918. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Webhooks in Atlassian Bitbucket Server from version 5.4.0 before version 7.3.1 allow remote attackers to access the content of internal network resources via a Server-Side Request Forgery (SSRF) vulnerability.

The weakness was shared 07/09/2020 (Website). The advisory is available at jira.atlassian.com. This vulnerability is handled as CVE-2020-14170 since 06/16/2020. The exploitation is known to be easy. The attack may be launched remotely. Required for exploitation is a simple authentication. The technical details are unknown and an exploit is not available.

Upgrading to version 5.4.0 eliminates this vulnerability.

The entry 157815 is related to this item.

Productinfoedit

Vendor

Atlassian

Name

Bitbucket Server

CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔒

CVSSv2infoedit

AV	AC	Au	C	I	A
🔍	🔍	🔍	🔍	🔍	🔍
🔍	🔍	🔍	🔍	🔍	🔍
🔍	🔍	🔍	🔍	🔍	🔍

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

NVD Base Score: 🔒

Exploitinginfoedit

Class: Privilege escalation (CWE-918)
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Bitbucket Server 5.4.0

Timelineinfoedit

06/16/2020 CVE assigned
07/09/2020 +23 days Advisory disclosed
07/10/2020 +1 days VulDB entry created
07/10/2020 +0 days VulDB last update

Sourcesinfoedit

Vendor: https://www.atlassian.com/

Advisory: jira.atlassian.com
Status: Not defined

CVE: CVE-2020-14170 (🔒)
See also: 🔒

Entryinfoedit

Created: 07/10/2020 08:50 AM
Changes: (17) vulnerability_cwe vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a source_cve_assigned source_cve_nvd_summary
Complete: 🔍