Security readout for executives and security teams
Plain-English summary
IBM Security Access Manager versions 9.0.1 through 9.0.6 have a Web UI cross-site scripting flaw. A successful attack could run unwanted JavaScript in a trusted user session and potentially expose credentials. This is not listed in CISA KEV, but it affects an identity/security product, so exposure should be checked promptly.
Executive priority
Treat this as a moderate-priority identity-platform issue. It is not confirmed as actively exploited in the provided sources, but credential exposure inside a trusted session can create business impact. Prioritize inventory and vendor-guided remediation for affected deployments.
Technical view
CVE-2019-4157 is a network-reachable XSS issue in the IBM Security Access Manager Web UI. The CVSS 3.0 score is 6.1 with low attack complexity and required user interaction. The source states arbitrary JavaScript can alter intended Web UI behavior and potentially disclose credentials within a trusted session.
Likely exposure
Likely exposure is limited to organizations running IBM Security Access Manager 9.0.1 through 9.0.6. Risk is higher where the Web UI is reachable by broad internal users or the internet. The source bundle does not describe default exposure or vulnerable UI paths.
Exploitation context
The bundle does not show confirmed active exploitation, and KEV is false. Exploitation would require getting a user to interact with affected Web UI content. The CVSS vector indicates network attack vector, low complexity, no privileges required, and user interaction required.
Researcher notes
Evidence is concise and vendor-centered. The bundle identifies affected versions and impact but does not include vulnerable parameters, proof of concept, or detailed fix text. Avoid assuming exploit paths beyond Web UI XSS and credential disclosure potential within a trusted session.
Mitigation direction
- Review IBM advisory guidance for the supported fix or upgrade path.
- Upgrade affected IBM Security Access Manager versions when vendor guidance confirms remediation.
- Restrict Web UI access to trusted networks and administrative users.
- Apply browser and session protections recommended by IBM or internal standards.
- Monitor identity-system sessions for unusual UI-driven credential or account activity.
Validation and detection
- Inventory IBM Security Access Manager versions across production and non-production environments.
- Confirm whether any instance runs versions 9.0.1 through 9.0.6.
- Check whether the Web UI is internet-accessible or broadly reachable internally.
- Review IBM X-Force entry 158573 and IBM support advisory for remediation details.
- Verify change records show vendor remediation applied where affected versions existed.
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-2019-4157 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
- 6.1 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AC:L/UI:R/PR:N/A:N/S:C/AV:N/C:L/I:L/RC:C/E:H/RL:O
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/AC:L/UI:R/PR:N/A:N/S:C/AV:N/C:L/I:L/RC:C/E:H/RL:O2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
6.1MediumVector: CVSS:3.0/AC:L/UI:R/PR:N/A:N/S:C/AV:N/C:L/I:L/RC:C/E:H/RL:O
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/docview.wss?uid=ibm10888379CVE reference · x_refsource_CONFIRM
- ibm-sam-cve20194157-xss (158573)CVE reference · vdb-entry, x_refsource_XF
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.
