CVE-2020-2255

jenkins-2-plugins/blueocean: Blue Ocean Plugin does not perform permission checks in several HTTP endpoints implementing connection tests.

Severity Score

4.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A missing permission check in Jenkins Blue Ocean Plugin 1.23.2 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL.

Una falta de comprobación de permisos en Jenkins Blue Ocean Plugin versiones 1.23.2 y anteriores, permite a atacantes con permiso Overall/Read conectarse a una URL especificada por el atacante

The podman tool manages pods, container images, and containers. It is part of the libpod library, which is for applications that use container pods. Container pods is a concept in Kubernetes. The runC tool is a lightweight, portable implementation of the Open Container Format that provides container runtime. The skopeo command lets you inspect images from container image registries, get images and image layers, and use signatures to create and verify files. Issues addressed include information leakage, man-in-the-middle, and traversal vulnerabilities.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-12-05 CVE Reserved
2020-09-16 CVE Published
2024-08-04 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-862: Missing Authorization

CAPEC

References (4)

URL	Tag	Source
http://www.openwall.com/lists/oss-security/2020/09/16/3	Mailing List

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.jenkins.io/security/advisory/2020-09-16/#SECURITY-1961	2023-10-25
https://access.redhat.com/security/cve/CVE-2020-2255	2020-11-17
https://bugzilla.redhat.com/show_bug.cgi?id=1880460	2020-11-17

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Jenkins Search vendor "Jenkins"		Blue Ocean Search vendor "Jenkins" for product "Blue Ocean"				<= 1.23.2 Search vendor "Jenkins" for product "Blue Ocean" and version " <= 1.23.2"		jenkins		Affected