CVE-2021-27777

XML External Entity (XXE) injection vulnerabilities occur when poorly configured XML parsers process user supplied input without sufficient validation. Attackers can exploit this vulnerability to manipulate XML content and inject malicious external entity references.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:P/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097124	Vendor Advisory
https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097124	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:hcltech:unica:*:*:*:*:*:*:*:*

History

21 Nov 2024, 05:58

Type	Values Removed	Values Added
References	~~() https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097124 - Vendor Advisory~~	() https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097124 - Vendor Advisory

Information

Published : 2022-05-12 22:15

Updated : 2024-11-21 05:58

NVD link : CVE-2021-27777

Mitre link : CVE-2021-27777

CVE.ORG link : CVE-2021-27777

JSON object : View

Products Affected

hcltech

unica

CWE

CWE-91

XML Injection (aka Blind XPath Injection)

CWE-611

Improper Restriction of XML External Entity Reference

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