Security readout for executives and security teams
Plain-English summary
HCL Sametime Legacy web chat may let browsers save sensitive user-entered data because autocomplete is enabled on sensitive fields. The main business risk is confidential chat-related data remaining in browser storage, especially on shared, kiosk, or unmanaged devices.
Executive priority
Treat as a targeted privacy and confidentiality cleanup item, not an emergency outage event. Prioritize environments with shared workstations, regulated communications, or unmanaged browsers, then apply HCL guidance during the next suitable maintenance window.
Technical view
CVE-2023-45696 is CWE-524 in HCL Sametime Legacy web chat. Affected versions listed are 11.5, 11.6, 11.6 IF1, 12.0, 12.0 FP1, 12.0.1, and 12.0.1 FP1. CVSS 3.1 score is 4.0 with physical access, high complexity, and user interaction.
Likely exposure
Exposure is most likely where affected HCL Sametime versions are deployed and users still access the Legacy web chat client. Risk is higher on shared browsers, unmanaged endpoints, or devices where saved form data is not centrally controlled.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation. The CVSS vector indicates exploitation depends on physical access and user interaction, so this is primarily a local data exposure issue rather than remote compromise.
Researcher notes
Evidence is limited to the CVE record, CVE List data, and HCL advisory reference in the source bundle. No exploit status, fixed build, or specific workaround is included in the supplied data, so remediation should be verified against HCL KB0109082.
Mitigation direction
- Review HCL KB0109082 for vendor-approved remediation or fixed-version guidance.
- Inventory affected HCL Sametime versions across production and legacy environments.
- Limit use of Legacy web chat until vendor guidance is applied.
- Use managed browser policy to restrict saving sensitive form data where appropriate.
- Clear saved form data on shared or reassigned endpoints.
Validation and detection
- Confirm whether deployed Sametime versions match the affected version list.
- Determine whether the Legacy web chat client is enabled or still used.
- Check browser policy for autocomplete and saved form data controls.
- Review shared-device procedures for clearing saved browser data.
- Track HCL advisory status before closing the finding.
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-524: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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-2023-45696 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
- 4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:R/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:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N0.43.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4MediumVector: CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0109082CVE reference
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.
Use of Cache Containing Sensitive Information
Use of Cache Containing Sensitive Information represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.