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HIGH · 7.5

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 mani...

Vulnerability Description

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 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
HcltechUnica< 12.1.1

Related Weaknesses (CWE)

CWE-91CWE-611

References

FAQ

What is CVE-2021-27777?

CVE-2021-27777 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 mani...

How severe is CVE-2021-27777?

CVE-2021-27777 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-27777?

Check the references section above for vendor advisories and patch information. Affected products include: Hcltech Unica.