Security readout for executives and security teams
Plain-English summary
This flaw can let an authenticated attacker learn Java system property values from a vulnerable Keycloak SAML response. It is an information disclosure issue, not a code-execution issue. Business urgency depends on whether exposed properties contain secrets, internal paths, service URLs, or deployment metadata.
Executive priority
Treat as a moderate confidentiality risk. Prioritize internet-facing or partner-facing SAML identity systems, especially where Java system properties may contain credentials or sensitive environment details. This should be remediated through normal security patch governance, not emergency incident response unless local evidence suggests abuse.
Technical view
Keycloak before 2.5.1 is described as replacing special strings in SAML parsing with system property values. A crafted SAML request ID can cause a selected property value to appear in the response InResponseTo field. CVSS 3.0 is 6.5 with high confidentiality impact and no integrity or availability impact.
Likely exposure
Exposure is most likely in older Keycloak deployments or Red Hat products bundling vulnerable Keycloak SAML handling. The supplied metadata is ambiguous about versions, so validate against vendor advisories and installed package versions rather than assuming only one release is affected.
Exploitation context
The source bundle shows network reachability, low privileges, no user interaction, and no KEV listing. There is no provided evidence of active exploitation. The practical risk is disclosure of system properties through SAML processing when an attacker can submit relevant SAML traffic.
Researcher notes
The core issue maps to CWE-201 information exposure. The supplied evidence supports confidentiality impact through property substitution during SAML parsing. It does not support integrity compromise, availability impact, unauthenticated exploitation, or active exploitation claims.
Mitigation direction
- Identify Keycloak and Red Hat-bundled Keycloak deployments using SAML.
- Check the listed Red Hat advisories for product-specific fixed packages.
- Upgrade to vendor-designated fixed versions or supported maintained releases.
- If patching is delayed, review vendor guidance for temporary controls.
- Avoid storing secrets in Java system properties where possible.
Validation and detection
- Confirm installed Keycloak versions and Red Hat package builds.
- Verify whether SAML endpoints are enabled and externally reachable.
- Review configuration for sensitive values exposed through system properties.
- Check SAML logs for unusual request ID patterns, without reproducing attacks.
- Document affected systems and remediation status by advisory.
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.
CWE-201: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2017-2582 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
- Medium
- CVSS
- 6.5 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
6.5MediumVector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- RHSA-2017:3220CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2017:3216CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2017:2809CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2018:2740CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2017:3218CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2017:2810CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2018:2741CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2018:2742CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2017:2808CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2019:0137CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2017:3219CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2019:0139CVE reference · vendor-advisory, x_refsource_REDHAT
- https://github.com/keycloak/keycloak/pull/3715/commits/0cb5ba0f6e83162d221681f47b470c3042eef237CVE reference · x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2582CVE reference · x_refsource_CONFIRM
- RHSA-2019:0136CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2018:2743CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2017:3217CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2017:2811CVE reference · vendor-advisory, x_refsource_REDHAT
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.
Insertion of Sensitive Information Into Sent Data
Insertion of Sensitive Information Into Sent Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
