How severe is CVE-2017-2649?

CVE-2017-2649 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-2649 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-2649?

CVE-2017-2649 affects Jenkins Active Directory. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-2649?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-2649 published?

CVE-2017-2649 was published on 2018-07-27 and last updated on 2026-06-17.

CVE-2017-2649

CVE-2017-2649 is a high-severity vulnerability in Jenkins Active Directory with a CVSS 3.x base score of 8.1. 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: High (CVSS 3.x base score 8.1)
CVSS v2: 6.8
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Jenkins Active Directory
Published: 2018-07-27
Last modified: 2026-06-17

Description

It was found that the Active Directory Plugin for Jenkins up to and including version 2.2 did not verify certificates of the Active Directory server, thereby enabling Man-in-the-Middle attacks.

Frequently asked questions

What is CVE-2017-2649?: It was found that the Active Directory Plugin for Jenkins up to and including version 2.2 did not verify certificates of the Active Directory server, thereby enabling Man-in-the-Middle attacks.
How severe is CVE-2017-2649?: CVE-2017-2649 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-2649 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-2649?: CVE-2017-2649 affects Jenkins Active Directory. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-2649?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-2649 published?: CVE-2017-2649 was published on 2018-07-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jenkins:active_directory:*:*:*:*:*:jenkins:*:*

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