Security readout for executives and security teams
Plain-English summary
IBM PowerSC versions 1.3, 2.0, and 2.1 can let a remote attacker place malicious HTML that runs in a victim's browser when viewed. This could expose limited data or alter what the victim sees or does in the PowerSC site context.
Executive priority
Handle as a moderate web application risk. Prioritize if PowerSC is broadly reachable or used by privileged administrators, because successful exploitation runs in the trusted site context.
Technical view
CVE-2023-50933 is CWE-80 HTML injection in IBM PowerSC 1.3, 2.0, and 2.1. CVSS 3.1 is 6.1, with network access, low complexity, no privileges, required user interaction, changed scope, low confidentiality impact, low integrity impact, and no availability impact.
Likely exposure
Exposure is likely limited to organizations running IBM PowerSC 1.3, 2.0, or 2.1, especially where users can view attacker-controlled or injected content through the PowerSC web interface.
Exploitation context
The bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVSS vector indicates exploitation is remote and low complexity, but requires a user to view injected content.
Researcher notes
Evidence supports HTML injection only for IBM PowerSC 1.3, 2.0, and 2.1. No exploit details, active exploitation, or specific fixed version details are present in the supplied bundle.
Mitigation direction
- Identify any IBM PowerSC 1.3, 2.0, or 2.1 deployments.
- Review IBM advisory 7113759 for vendor-approved remediation or fixed levels.
- Apply IBM-recommended updates or workarounds for affected installations.
- Limit PowerSC web access to trusted administrative users where feasible.
Validation and detection
- Confirm installed IBM PowerSC versions against 1.3, 2.0, and 2.1.
- Check whether IBM advisory remediation has been applied.
- Review PowerSC web-facing exposure and user access paths.
- Look for reports of unusual injected content in PowerSC pages.
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-80: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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-2023-50933 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 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/7113759CVE reference · vendor-advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/275113CVE reference · vdb-entry
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.
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
