CVE-2015-4017

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

Published: 2017-08-25 Last update: 2026-05-13 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-4017 is rated Moderate Risk (51.7/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.05%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-4017

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.23% 1.05% +0.82%
2 2026-03-15 0.31% 0.23% -0.08%
3 2025-03-30 — 0.31% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-4017

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2015-4017

GitHub Security Advisory for CVE-2015-4017

GHSA-8j9g-c9rp-jvg4 · Severity: high · Ecosystem: pip — Salt vulnerable to Improper Certificate Validation

OS Trackers for CVE-2015-4017

vendor priority summary link
redhat medium — https://access.redhat.com/security/cve/CVE-2015-4017
ubuntu medium CVE-2015-4017 medium priority: Ubuntu including 1 source packages (salt), 11 status rows across 11 suites (artful, bionic, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 5, not-affected 4, DNE 1, released 1. https://ubuntu.com/security/CVE-2015-4017

Affected software / configurations for CVE-2015-4017

Vendor Product Version Raw CPE
saltstack salt 2014.7.5 cpe:2.3:a:saltstack:salt:2014.7.5:*:*:*:*:*:*:*

References for CVE-2015-4017

cvelogic Threat Intelligence