Security readout for executives and security teams
Plain-English summary
This Jenkins issue lets a user who can read Jenkins make the server contact an arbitrary URL and report whether it returned HTTP 200. That can help map internal services reachable from Jenkins. Business urgency depends on whether old Jenkins versions are still deployed and who has Overall/Read access.
Executive priority
Treat this as a legacy Jenkins hygiene issue with moderate priority. It is not cited as actively exploited in the provided bundle, but it can expose internal network visibility if old Jenkins instances remain online with broad read access.
Technical view
CVE-2018-1000195 is an SSRF in Jenkins ZipExtractionInstaller.java affecting Jenkins 2.120 and older and LTS 2.107.2 and older. A user with Overall/Read permission can trigger an HTTP GET to an arbitrary URL and infer whether the response succeeded with status 200.
Likely exposure
Exposure is most likely on legacy Jenkins controllers at or below the affected versions, especially where many users have Overall/Read. Risk increases when Jenkins can reach internal admin panels, metadata endpoints, or services not directly exposed to users.
Exploitation context
The provided sources do not show KEV listing or active exploitation. The issue requires Overall/Read permission and appears limited to making Jenkins perform GET requests while revealing only success versus non-success status.
Researcher notes
The source bundle does not provide CVSS, CWE, detailed fixed-version text, or proof of exploitation. Analysis is limited to the CVE description, Jenkins advisory reference, Oracle CPU reference, and KEV=false signal.
Mitigation direction
- Identify Jenkins controllers running 2.120 or older, or LTS 2.107.2 or older.
- Review Jenkins advisory guidance and upgrade outside the affected version range.
- Restrict Overall/Read to trusted users only.
- Limit Jenkins outbound network access to required destinations.
- Review Oracle CPU April 2022 guidance if using Oracle-packaged affected components.
Validation and detection
- Inventory Jenkins core versions across all environments.
- Audit users and groups granted Overall/Read permission.
- Check whether Jenkins can reach sensitive internal-only URLs.
- Review Jenkins logs for unusual external URL fetch patterns around installer activity.
- Confirm remediation against the Jenkins advisory and change records.
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-2018-1000195 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://www.oracle.com/security-alerts/cpuapr2022.htmlCVE reference · x_refsource_MISC
- https://jenkins.io/security/advisory/2018-05-09/#SECURITY-794CVE 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.
