CVE-2021-27777 HCL Unica Platform is vulnerable to XML External Entity (XXE) injection
Attackers can exploit XML External Entity injection in HCL Unica Platform to read sensitive data or cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-27777?
CVE-2021-27777 is a high-severity vulnerability in HCL Unica, published on 12 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2021-27777?
It affects 1 product.
Products include Hcltech Unica.
How do I fix CVE-2021-27777?
No fix has been published for CVE-2021-27777 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-27777 being exploited?
There is no known exploitation of CVE-2021-27777 in the wild and no public exploit code.
Other vulnerabilities in HCL Unica
- CVE-2025-62319 Boolean-Based SQL Injection in Multiple Unica Components
- CVE-2023-37497 An XML External Entity (XXE) Injection Vulnerability affects HCL Unica Platform
- CVE-2023-37498 HCL Unica Platform is vulnerable to a privilege escalation by unauthorized group assignation
- CVE-2023-37499 A Persistent Cross-site Scripting (XSS) vulnerability affects HCL Unica Platform
- CVE-2023-37500 A Persistent Cross-site Scripting (XSS) vulnerability affects HCL Unica Platform
Sources
Also known as GHSA-cvfm-9587-3rg8.