CVEvulnerability

CVE-2021-27777

7.5 HIGH Published 2022-05-12 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-05-12
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N
Weaknesses
CWE-611, CWE-91

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.

Affected configurations

• hcltech unica (< 12.1.1)

Related

Weakness · CWE (2)

  • CWE-611 Improper Restriction of XML External Entity Reference weakness
  • CWE-91 XML Injection weakness

References