CVE-2019-16546
Jenkins Google Compute Engine Plugin does not verify SSH host keys when connecting agents created by the plugin
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2019-16546- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-639
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2019-16546- Updated
- 2026-11-02
EUVDEUVD-2022-2102 No score
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.
- Record
EUVD-2022-2102- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-345p-pw5q-g98v
Jenkins Google Compute Engine Plugin does not verify SSH host keys when connecting agents created by the plugin
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. Google Compute Engine Plugin 4.2.0 verifies SSH host keys before executing any commands on agents.
- Record
GHSA-345p-pw5q-g98v- CVSS 3.0
- 6.8 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-300, CWE-639
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2019-16546- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-345p-pw5q-g98v
Jenkins Google Compute Engine Plugin does not verify SSH host keys when connecting agents created by the plugin
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. Google Compute Engine Plugin 4.2.0 verifies SSH host keys before executing any commands on agents.
- Record
GHSA-345p-pw5q-g98v- CVSS 3.0
- 6.8 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-300, CWE-639
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.jenkins-ci.plugins:google-compute-engineMaven |
through 4.1.1 | 4.2.0 |
org.jenkins-ci.plugins:google-compute-engineMaven |
before 4.2.0, plus listed versions 1.0-beta-11.0-beta-21.0.01.0.11.0.10 Show 19 moreShow less1.0.21.0.31.0.41.0.51.0.61.0.71.0.82.0.03.0.03.1.03.1.13.2.03.3.03.3.13.3.23.4.04.0.04.1.04.1.1 |
4.2.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-16546 is a medium vulnerability (CVSS 5.9) in Jenkins Google Compute Engine, published November 21, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.87%, the 58th percentile. Fixed in org.jenkins-ci.plugins:google-compute-engine 4.2.0.