CVE-2021-27777
12.05.2022, 22:15
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.
| Vendor | Product | Version |
|---|---|---|
| hcltech | unica | 𝑥 < 12.1.1 |
𝑥
= Vulnerable software versions
Common Weakness Enumeration
- CWE-91 - XML Injection (aka Blind XPath Injection)The software does not properly neutralize special elements that are used in XML, allowing attackers to modify the syntax, content, or commands of the XML before it is processed by an end system.
- CWE-611 - Improper Restriction of XML External Entity ReferenceThe software processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.