XebiaLabs XL Deploy Plugin up to 7.5.8 on Jenkins authorization

EntryeditHistoryDiffjsonxmlCTI
CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.6$0-$5k0.00

A vulnerability, which was classified as critical, was found in XebiaLabs XL Deploy Plugin up to 7.5.8 on Jenkins (Jenkins Plugin). Affected is some unknown functionality. The manipulation with an unknown input leads to a privilege escalation vulnerability. CWE is classifying the issue as CWE-862. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A missing permission check in Jenkins XebiaLabs XL Deploy Plugin 7.5.8 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing Username/password credentials stored in Jenkins.

The weakness was presented 06/10/2021. The advisory is shared for download at jenkins.io. This vulnerability is traded as CVE-2021-21663 since 01/04/2021. The exploitability is told to be difficult. The attack can only be initiated within the local network. A authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/13/2021).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.6

VulDB Base Score: 4.6
VulDB Temp Score: 4.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2infoedit

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

Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-862
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfoedit

01/04/2021 CVE assigned
06/10/2021 +156 days Advisory disclosed
06/10/2021 +0 days VulDB entry created
06/13/2021 +3 days VulDB last update

Sourcesinfoedit

Advisory: jenkins.io
Status: Not defined
Confirmation: 🔒

CVE: CVE-2021-21663 (🔒)

Entryinfoedit

Created: 06/10/2021 09:35 PM
Updated: 06/13/2021 09:52 AM
Changes: (3) source_cve_assigned source_cve_nvd_summary advisory_confirm_url
Complete: 🔍

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