Jenkins Google Compute Engine Plugin 4.1.1 and earlier does not verify SSH host keys when connecting agents created by the plugin, enabling
Jenkins Google Compute Engine Plugin 4.1.1 and earlier does not verify SSH host keys when connecting agents created by the plugin, enabling man-in-the-middle attacks.
- Published
- Nov 21, 2019
- Updated
- Jun 16, 2026
- EPSS
- 0.9% · 57th percentile
- CWE
- CWE-639
Sign in to follow · You’ll be notified if a followed record enters KEV, gets an exploit or is updated.
Report tools
Action score
23
Monitor
Low priority for now.
- CVSS
- 23 / 40 · 5.9 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.9%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| jenkins | google compute engine | cpe:2.3:a:jenkins:google_compute_engine |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- jenkins google compute enginebefore 4.2.0
Versions reported by the vendor
Affected version ranges reported by the assigning authority (jenkins). Independent of NVD's CPE analysis and usually ahead of it.
Jenkins project Jenkins Google Compute Engine Plugin
- 4.1.1 and earlieraffected
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Maven | org.jenkins-ci.plugins:google-compute-engine | before 4.2.0 | 4.2.0 |
Same product
jenkins: all recordsOther highest-scoring records for the same primary product.
- CVE-2019-16548A cross-site request forgery vulnerability in Jenkins Google Compute Engine Plugin 4.1.1 and earlier in ComputeEngineCloud#doProvision could35Monitor
- CVE-2022-29052Jenkins Google Compute Engine Plugin 4.3.8 and earlier stores private keys unencrypted in cloud agent config.xml files on the Jenkins contro17Monitor
- CVE-2019-16547Missing permission checks in various API endpoints in Jenkins Google Compute Engine Plugin 4.1.1 and earlier allow attackers with Overall/Re17Monitor
- CVE-2023-49652Incorrect permission checks in Jenkins Google Compute Engine Plugin 4.550.vb_327fca_3db_11 and earlier allow attackers with global Item/Conf10Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| Maven:org.jenkins-ci.plugins:google-compute-engine | 4.2.0 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- Special conditions such as timing or configuration are required.
If successful
- Confidentiality
- high · data can be read
- Integrity
- none
- Availability
- none
- Attack vector
- Network
- Attack complexity
- High
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- None
- Availability impact
- None
Weakness class (CWE)
CWE-639 · Authorization Bypass Through User-Controlled KeyCVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
nvd-primary
Root cause
The endpoint fetches the record by the ID sent in the request, but never checks whether the record belongs to the requesting user.
The bug in code
The whole CWE-639 classA representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.
Vulnerable
const invoice = await Invoice.findById(req.params.id);res.json(invoice);Fixed
const invoice = await Invoice.findOne({ id: req.params.id, ownerId: req.user.id,});if (!invoice) return res.sendStatus(404);res.json(invoice);Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- www.openwall.com/lists/oss-security/2019/11/21/1
- jenkins.io/security/advisory/2019-11-21/#SECURITY-1584
Vendor advisories and official records. Exploit/PoC links are deliberately left out.