Security readout for executives and security teams
This vulnerability lets an attacker tamper with a valid SAML login response in a way Symantec ASG or ProxySG may still accept. In affected SAML-authenticated proxy deployments, that can bypass user authentication for intercepted proxy traffic. The sources state it does not affect administrator access to management consoles. Exposure is limited to affected ASG or ProxySG versions configured with a SAML authentication realm for intercepted proxy traffic. Deployments not using SAML realms for this function are not shown as exposed in the provided sources. Treat this as a targeted remediation item for organizations using Symantec proxy SAML authentication. Business urgency is highest where ASG or ProxySG gates workforce internet or internal access. No active exploitation evidence is provided, but authentication bypass in a security gateway deserves timely validation. Mitigation focus: Check Symantec advisory SA167 for vendor-supported fixes or configuration guidance.; Inventory ASG and ProxySG versions 6.5, 6.6, and 6.7.; Identify deployments using SAML authentication realms for intercepted proxy traffic..
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.
Credential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-5241 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://www.symantec.com/security-center/network-protection-security-advisories/SA167CVE 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.
