How severe is CVE-2020-2187?

CVE-2020-2187 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2020-2187 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-2187?

CVE-2020-2187 affects Jenkins Amazon Ec2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-2187?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-2187 published?

CVE-2020-2187 was published on 2020-05-06 and last updated on 2026-06-17.

CVE-2020-2187

CVE-2020-2187 is a medium-severity vulnerability in Jenkins Amazon Ec2 with a CVSS 3.x base score of 5.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.

Key facts

Severity: Medium (CVSS 3.x base score 5.6)
CVSS v2: 6.8
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Jenkins Amazon Ec2
Published: 2020-05-06
Last modified: 2026-06-17

Description

Jenkins Amazon EC2 Plugin 1.50.1 and earlier unconditionally accepts self-signed certificates and does not perform hostname validation, enabling man-in-the-middle attacks.

Frequently asked questions

What is CVE-2020-2187?: Jenkins Amazon EC2 Plugin 1.50.1 and earlier unconditionally accepts self-signed certificates and does not perform hostname validation, enabling man-in-the-middle attacks.
How severe is CVE-2020-2187?: CVE-2020-2187 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2020-2187 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-2187?: CVE-2020-2187 affects Jenkins Amazon Ec2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-2187?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-2187 published?: CVE-2020-2187 was published on 2020-05-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jenkins:amazon_ec2:*:*:*:*:*:jenkins:*:*

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