CVE-2021-27751

Continued application access via expired sessions

Published May 6, 2022 · Updated Sep 16, 2024

Insufficient session expiration in affected HCL Commerce releases allows attackers to access application areas after a session expires. HCL Software has not disclosed the responsible component or how it continues accepting an expired session, stating only that some application areas remain reachable in certain circumstances. The gate is possession of an expired session, and the reported consequence is continued access to unspecified application areas.

CVSS severity4.4
Medium
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Insufficient session expiration in affected HCL Commerce releases allows attackers to access application areas after a session expires. HCL Software has not disclosed the responsible component or how it continues accepting an expired session, stating only that some application areas remain reachable in certain circumstances. The gate is possession of an expired session, and the reported consequence is continued access to unspecified application areas.

The record

CVE
CVE-2021-27751
Published
May 6, 2022
Updated
Sep 16, 2024
Vendor
HCL Software
Product
HCL Commerce
Classifications
CWE-613
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 6, 2022CVE publishedPublication date reported by the CVE source.
  2. Sep 16, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=8.0 - 8.0.4.27
  2. Affected versionversion=9.0 - 9.0.1.17
  3. Affected versionversion=9.1.0 - 9.1.8

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

HCL Software · HCL Commerceversion=8.0 - 8.0.4.27; version=9.0 - 9.0.1.17; version=9.1.0 - 9.1.8

Published CVSS scores

4.4HCL SoftwareCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
3.3NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
1.9NIST NVDAV:L/AC:M/Au:N/C:P/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-613Insufficient Session Expiration

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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