Security readout for executives and security teams
Plain-English summary
This CVE affects older Salt deployments using PAM external authentication. In that configuration, an attacker could bypass the intended authentication service by supplying a different service name with a LocalClient command. The sources identify fixed Salt releases, but provide no CVSS score or active exploitation evidence.
Executive priority
Treat as a legacy infrastructure-control risk if Salt is still present. Prioritize discovery first, then upgrade affected PAM-authenticated deployments. Urgency depends on whether exposed Salt management paths remain reachable.
Technical view
Salt before 2015.5.10 and 2015.8.x before 2015.8.8 is affected when PAM external authentication is enabled. The flaw is an authentication-bypass condition involving alternate PAM service selection in LocalClient command handling. The source bundle does not provide CWE, CVSS, exploit maturity, or detailed affected CPE data.
Likely exposure
Exposure is likely limited to legacy Salt installations older than 2015.5.10 or 2015.8.8 that enabled PAM external authentication. The supplied affected-product metadata is incomplete and lists no CPEs.
Exploitation context
The source bundle does not show CISA KEV listing or any cited active exploitation. The vulnerability description indicates authentication bypass potential, but does not establish remote exploitability, public exploit availability, or observed attacks.
Researcher notes
Evidence is sparse: no CVSS, CWE, CPE, exploit status, or detailed vendor advisory text is included beyond release references. Analysis should avoid expanding scope beyond Salt with PAM external authentication enabled.
Mitigation direction
- Upgrade affected Salt 2015.5.x systems to 2015.5.10 or later.
- Upgrade affected Salt 2015.8.x systems to 2015.8.8 or later.
- Identify whether PAM external authentication is enabled in Salt.
- If upgrade timing is unclear, check Salt release guidance before changing authentication behavior.
- Restrict administrative access to Salt interfaces while remediation is planned.
Validation and detection
- Inventory Salt versions across masters and management hosts.
- Confirm whether PAM external authentication is configured.
- Compare discovered versions against 2015.5.10 and 2015.8.8 fixed release thresholds.
- Review Salt authentication logs for unexpected service selection or failed authorization patterns.
- Verify remediation by confirming upgraded package versions and retained intended authentication policy.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CVE-2016-3176 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://docs.saltstack.com/en/latest/topics/releases/2015.8.8.htmlCVE reference · x_refsource_CONFIRM
- https://docs.saltstack.com/en/latest/topics/releases/2015.5.10.htmlCVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.