Security readout for executives and security teams
Plain-English summary
CVE-2021-27751 is a session-expiration flaw in HCL Commerce. In some circumstances, parts of the application may remain accessible after a session should have expired. The business concern is limited unauthorized access to application areas, not service outage.
Executive priority
Treat as a moderate-priority ecommerce platform issue. It should be remediated through normal vulnerability management, faster where HCL Commerce protects customer, order, pricing, or administrative data.
Technical view
The issue is classified as CWE-613, Insufficient Session Expiration. Affected HCL Commerce ranges are 8.0 through 8.0.4.27, 9.0 through 9.0.1.17, and 9.1.0 through 9.1.8. CVSS 3.1 is 4.4 with low confidentiality and integrity impact and no availability impact.
Likely exposure
Exposure is limited to organizations running the listed HCL Commerce versions. The CVSS vector reports local attack vector and required user interaction, so broad remote exploitation is not supported by the provided evidence.
Exploitation context
The source bundle does not show CISA KEV listing or public active exploitation evidence. The described condition is post-expiration access to some application areas, but the sources do not specify affected functions or exploit mechanics.
Researcher notes
Evidence is sparse. The record identifies affected version ranges, CWE-613, and CVSS details, but does not name specific endpoints, roles, fixed versions, or active exploitation. Validation should focus on safe session-expiration behavior and vendor-confirmed remediation.
Mitigation direction
- Identify all HCL Commerce deployments and exact versions.
- Check HCL KB0097650 for official remediation guidance.
- Prioritize vendor-supported upgrades or configuration changes.
- Retest session expiry behavior after remediation.
- Track vendor advisories for any updated fixed-version details.
Validation and detection
- Compare deployed versions against all affected ranges.
- Review session-expiration tests for authenticated workflows.
- Check logs for access after expected session expiry.
- Confirm expired sessions cannot reach sensitive application areas.
- Document any uncertainty for vendor support follow-up.
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-613: Exact CWE lookup
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Open ATT&CK lookupCVE-2021-27751 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
- 4.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/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:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N1.82.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.4MediumVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097650CVE reference · x_refsource_MISC
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.