Security readout for executives and security teams
Plain-English summary
This vulnerability lets a user who can read Jenkins make the Jenkins server request a URL they choose. That matters because Jenkins often has network access to internal systems. The public bundle does not provide a CVSS score, patch version, or exploitation evidence, so urgency depends on whether affected Jenkins instances exist and who has Overall/Read access.
Executive priority
Treat this as a targeted Jenkins hygiene issue with moderate priority. Escalate if affected Jenkins servers can reach sensitive internal systems or if Overall/Read access is broadly assigned.
Technical view
CVE-2018-1000185 is an SSRF issue in Endpoint.java in Jenkins GitHub Branch Source Plugin 2.3.4 and older. An attacker with Jenkins Overall/Read permission can cause Jenkins to send a GET request to a specified URL. The bundle identifies no CWE, CVSS vector, or confirmed active exploitation.
Likely exposure
Exposure is likely limited to Jenkins environments running GitHub Branch Source Plugin 2.3.4 or older where non-admin users have Overall/Read access. Risk increases when Jenkins can reach internal services or metadata endpoints from its network position.
Exploitation context
The source bundle says exploitation requires Overall/Read access and results in Jenkins sending a GET request to an attacker-specified URL. CISA KEV status is false, and no cited source in the bundle states active exploitation.
Researcher notes
Evidence is sparse in the provided bundle. The key confirmed facts are the plugin name, version boundary, SSRF class, Endpoint.java location, GET-request behavior, and Overall/Read prerequisite. Do not assume unauthenticated exploitation or a specific patch version without checking Jenkins advisory details.
Mitigation direction
- Identify Jenkins instances using GitHub Branch Source Plugin 2.3.4 or older.
- Review the Jenkins advisory for vendor-confirmed remediation or fixed versions.
- Reduce unnecessary Overall/Read access until remediation is complete.
- Restrict Jenkins outbound network access where business workflows allow.
- Monitor Jenkins-originated outbound GET requests for unexpected internal destinations.
Validation and detection
- Inventory installed Jenkins plugins and versions across all controllers.
- Confirm whether GitHub Branch Source Plugin is version 2.3.4 or older.
- Review Jenkins permissions for users and groups with Overall/Read access.
- Check outbound proxy or firewall logs for unusual requests from Jenkins.
- Document affected instances, remediation status, and any compensating controls.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Cloud metadata behavior lookup
The CVE wording references SSRF or metadata access, so cloud discovery and credential material review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-1000185 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://jenkins.io/security/advisory/2018-06-04/#SECURITY-806CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
