How severe is CVE-2015-3908?

CVE-2015-3908 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2015-3908 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-3908?

CVE-2015-3908 affects Redhat Ansible. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-3908?

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

When was CVE-2015-3908 published?

CVE-2015-3908 was published on 2015-08-12 and last updated on 2026-06-17.

CVE-2015-3908

CVE-2015-3908 is a medium-severity vulnerability in Redhat Ansible with a CVSS 2.0 base score of 4.3. 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-345.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-345
Affected product: Redhat Ansible
Published: 2015-08-12
Last modified: 2026-06-17

Description

Ansible before 1.9.2 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Frequently asked questions

What is CVE-2015-3908?: Ansible before 1.9.2 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
How severe is CVE-2015-3908?: CVE-2015-3908 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2015-3908 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-3908?: CVE-2015-3908 affects Redhat Ansible. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-3908?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-3908 published?: CVE-2015-3908 was published on 2015-08-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:redhat:ansible:*:*:*:*:*:*:*:*

More vulnerabilities in Redhat Ansible

CVE-2014-4657 — Critical (CVSS 9.8): The safe_eval function in Ansible before 1.5.4 does not properly restrict the code subset, which allows remote…
CVE-2014-4678 — Critical (CVSS 9.8): The safe_eval function in Ansible before 1.6.4 does not properly restrict the code subset, which allows remote…
CVE-2014-4967 — Critical (CVSS 9.8): Multiple argument injection vulnerabilities in Ansible before 1.6.7 allow remote attackers to execute arbitrary code by…
CVE-2014-4966 — Critical (CVSS 9.8): Ansible before 1.6.7 does not prevent inventory data with "{{" and "lookup" substrings, and does not prevent remote…
CVE-2017-7550 — Critical (CVSS 9.8): A flaw was found in the way Ansible (2.3.x before 2.3.3, and 2.4.x before 2.4.1) passed certain parameters to the…
CVE-2014-3498 — High (CVSS 8.8): The user module in ansible before 1.6.6 allows remote authenticated users to execute arbitrary commands.

All CVEs affecting Redhat Ansible →

Other CWE-345 (Insufficient Verification of Data Authenticity) vulnerabilities

CVE-2026-35051 — Critical (CVSS 10.0): Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is an…
CVE-2014-8165 — Critical (CVSS 10.0): scripts/amsvis/powerpcAMS/amsnet.py in powerpc-utils-python uses the pickle Python module unsafely, which allows remote…
CVE-2026-50195 — Critical (CVSS 9.9): containerd is an open-source container runtime. Versions prior to 2.3.2, 2.2.5 and 2.1.9 contain a vulnerability in the…
CVE-2022-36130 — Critical (CVSS 9.9): HashiCorp Boundary up to 0.10.1 did not properly perform data integrity checks to ensure the resources were associated…
CVE-2026-50214 — Critical (CVSS 9.8): The /v1/Plan service relies entirely on a shared global API token for full administrative management, allowing…
CVE-2025-15385 — Critical (CVSS 9.8): Insufficient Verification of Data Authenticity vulnerability in TECNO Mobile com.Afmobi.Boomplayer allows…

Browse all CWE-345 (Insufficient Verification of Data Authenticity) vulnerabilities →