CVE-2021-27741Network attack vector

Data disclosure and service interruption via external entities

Published Aug 13, 2021 · Updated Aug 3, 2024

XML external entity injection in HCL Commerce Management Center allows remote attackers to read data or interrupt service via crafted XML. HCL has not published the affected parser, request path, or exact operation that accepts attacker-controlled XML. The network path requires no authentication or user interaction; reported consequences are limited to confidentiality loss and service interruption.

CVSS severity9.1
Critical
EPSS probability1.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

XML external entity injection in HCL Commerce Management Center allows remote attackers to read data or interrupt service via crafted XML. HCL has not published the affected parser, request path, or exact operation that accepts attacker-controlled XML. The network path requires no authentication or user interaction; reported consequences are limited to confidentiality loss and service interruption.

The record

CVE
CVE-2021-27741
Published
Aug 13, 2021
Updated
Aug 3, 2024
Vendor
HCL Software
Product
HCL Commerce
Classifications
CWE-611, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 13, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion="Commerce 8.0.4.0 - 8.0.4.26, 9.0.1.0 - 9.0.1.15, 9.1 - 9.1.5"

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

HCL Software · HCL Commerceversion="Commerce 8.0.4.0 - 8.0.4.26, 9.0.1.0 - 9.0.1.15, 9.1 - 9.1.5"

Published CVSS scores

6.4NIST NVDAV:N/AC:L/Au:N/C:P/I:N/A:P
9.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-611Improper Restriction of XML External Entity Reference
T1190Exploit Public-Facing Application

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

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo