Is CVE-2018-1000861 actively exploited?

Yes. CVE-2018-1000861 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2018-1000861 be exploited remotely?

The attack vector of CVE-2018-1000861 has not been classified yet.

What is the CVSS score of CVE-2018-1000861?

CVE-2018-1000861 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2018-1000861

HIGHCISA KEVIN THE WILD

CVE-2018-1000861

Published: February 10, 2022

EPSS:94.47%probability of exploitation in 30 daysPercentile:100.0th

Official Description

A code execution vulnerability exists in the Stapler web framework used by Jenkins

NVD Source

CISA KEV Advisory

Jenkins Stapler Web Framework Deserialization of Untrusted Data Vulnerability

A code execution vulnerability exists in the Stapler web framework used by Jenkins

Added to KEV: 2022-02-10Federal patch deadline: 2022-08-10

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

This vulnerability in the Stapler web framework, used by Jenkins, allows for remote code execution. An attacker could leverage this to gain control over the Jenkins instance. The very high EPSS score indicates a high likelihood of exploitation, making this a critical vulnerability.

This vulnerability is actively being exploited in the wild and is listed in CISA's KEV catalog, confirming its active exploitation. Given it's a web framework vulnerability, it is likely remotely exploitable.

Recommended Action

Update Jenkins and its associated plugins to the latest versions. Regularly review and restrict access to the Jenkins interface.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2018-1000861 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2018-1000861 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.