How severe is CVE-2015-4017?

CVE-2015-4017 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2015-4017 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-4017?

CVE-2015-4017 affects Saltstack Salt. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-4017?

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-2015-4017 published?

CVE-2015-4017 was published on 2017-08-25 and last updated on 2026-06-17.

CVE-2015-4017

CVE-2015-4017 is a high-severity vulnerability in Saltstack Salt with a CVSS 3.x base score of 7.5. 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 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Saltstack Salt
Published: 2017-08-25
Last modified: 2026-06-17

Description

Salt before 2014.7.6 does not verify certificates when connecting via the aliyun, proxmox, and splunk modules.

Frequently asked questions

What is CVE-2015-4017?: Salt before 2014.7.6 does not verify certificates when connecting via the aliyun, proxmox, and splunk modules.
How severe is CVE-2015-4017?: CVE-2015-4017 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2015-4017 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-4017?: CVE-2015-4017 affects Saltstack Salt. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-4017?: 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-2015-4017 published?: CVE-2015-4017 was published on 2017-08-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:saltstack:salt:2014.7.5:*:*:*:*:*:*:*

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