Jenkins up to LTS 2.303.2/2.318 Agent-to-Controller Security Subsystem path traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in Jenkins up to LTS 2.303.2/2.318 and classified as critical. This impacts an unknown function of the component Agent-to-Controller Security Subsystem. Performing a manipulation results in path traversal. This vulnerability was named CVE-2021-21686. There is no available exploit.

Detailsinfo

A vulnerability was found in Jenkins up to LTS 2.303.2/2.318 (Continuous Integration Software). It has been classified as critical. This affects an unknown part of the component Agent-to-Controller Security Subsystem. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 11/04/2021. It is possible to read the advisory at jenkins.io. This vulnerability is uniquely identified as CVE-2021-21686 since 01/04/2021. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/04/2021 🔍
11/04/2021 +304 days 🔍
11/04/2021 +0 days 🔍
11/09/2021 +5 days 🔍

Sourcesinfo

Advisory: jenkins.io
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-21686 (🔍)
GCVE (CVE): GCVE-0-2021-21686
GCVE (VulDB): GCVE-100-186063

Entryinfo

Created: 11/04/2021 20:20
Updated: 11/09/2021 17:58
Changes: 11/04/2021 20:20 (37), 11/09/2021 17:58 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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