Security readout for executives and security teams
Plain-English summary
This issue affects SimpleSAMLphp used for single sign-on. In versions 1.7.0 through 1.14.10, a misconfigured Identity Provider could generate persistent identifiers incorrectly, potentially exposing sensitive information or enabling unauthorized access. The impact depends on IdP configuration and relying-party trust relationships.
Executive priority
Treat as a targeted SSO hygiene issue. Prioritize if SimpleSAMLphp supports production identity federation, because authentication identifier errors can affect confidentiality and access decisions.
Technical view
CVE-2017-12873 concerns incorrect persistent NameID generation in SimpleSAMLphp when an IdP is misconfigured. The public record describes possible sensitive information disclosure, unauthorized access, or other unspecified impacts. No CVSS, CWE, or detailed affected CPE data is provided in the source bundle.
Likely exposure
Organizations are exposed if they run SimpleSAMLphp 1.7.0 through 1.14.10 as an Identity Provider, especially with persistent NameID enabled or misconfigured federation settings.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Risk is configuration-dependent and tied to SSO identity assertions, so validation should prioritize identity-provider deployments.
Researcher notes
Evidence is limited to public CVE text, SimpleSAMLphp advisory references, a fixing commit, and Debian advisories. The public bundle does not provide exploit details, CVSS scoring, CWE mapping, or confirmed exploitation.
Mitigation direction
- Inventory SimpleSAMLphp deployments and identify versions 1.7.0 through 1.14.10.
- Upgrade affected installations using SimpleSAMLphp or distribution security guidance.
- Apply relevant Debian security updates where Debian packages are used.
- Review IdP persistent NameID configuration for correctness.
- Check vendor advisory before changing federation behavior.
Validation and detection
- Confirm whether SimpleSAMLphp is deployed as an Identity Provider.
- Check installed SimpleSAMLphp version against the affected range.
- Review federation settings involving persistent NameID generation.
- Audit recent SSO access anomalies for affected IdP deployments.
- Verify package updates match vendor or Debian security advisories.
Public sources used
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2017-12873 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://github.com/simplesamlphp/simplesamlphp/commit/90dca835158495b173808273e7df127303b8b953CVE reference · x_refsource_CONFIRM
- [debian-lts-announce] 20171212 [SECURITY] [DLA 1205-1] simplesamlphp security updateCVE reference · mailing-list, x_refsource_MLIST
- https://simplesamlphp.org/security/201612-04CVE reference · x_refsource_CONFIRM
- DSA-4127CVE reference · vendor-advisory, x_refsource_DEBIAN
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.
