How severe is CVE-2017-7893?

CVE-2017-7893 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-7893 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7893?

CVE-2017-7893 affects Saltstack Salt. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-7893?

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

When was CVE-2017-7893 published?

CVE-2017-7893 was published on 2018-04-23 and last updated on 2026-06-17.

CVE-2017-7893

CVE-2017-7893 is a critical-severity vulnerability in Saltstack Salt with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Saltstack Salt
Published: 2018-04-23
Last modified: 2026-06-17

Description

In SaltStack Salt before 2016.3.6, compromised salt-minions can impersonate the salt-master.

Frequently asked questions

What is CVE-2017-7893?: In SaltStack Salt before 2016.3.6, compromised salt-minions can impersonate the salt-master.
How severe is CVE-2017-7893?: CVE-2017-7893 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-7893 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-7893?: CVE-2017-7893 affects Saltstack Salt. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-7893?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-7893 published?: CVE-2017-7893 was published on 2018-04-23 and last updated on 2026-06-17.

References

https://docs.saltstack.com/en/2017.7/topics/releases/2016.3.6.html

Affected products (1)

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

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