What is the CVSS score of CVE-2021-27741?

CVE-2021-27741 has a CVSS 3.1 base score of 9.1 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H. EPSS exploitation probability: 1.2%.

Hcl Commerce CVE-2021-27741

CRITICAL

Improper Restriction of XML External Entity Reference (CWE-611)

2021-08-13 psirt@hcl.com

XXE Hcl Commerce

9.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.1 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Aug 13, 2021 - 14:15 nvd

CRITICAL 9.1

DescriptionNVD

" Security vulnerability in HCL Commerce Management Center allowing XML external entity (XXE) injection"

AnalysisAI

" Security vulnerability in HCL Commerce Management Center allowing XML external entity (XXE) injection". Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as XML External Entity (XXE) (CWE-611), which allows attackers to read arbitrary files or perform SSRF through XML processing. " Security vulnerability in HCL Commerce Management Center allowing XML external entity (XXE) injection" Affected products include: Hcltechsw Hcl Commerce.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Disable external entity processing in XML parsers, use JSON instead of XML where possible.