CVE-2021-27777 Vulnerability Details

  /     /     /  

CVE-2021-27777 Metadata Quick Info

CVE Published: 12/05/2022 | CVE Updated: 16/09/2024 | CVE Year: 2021
Source: HCL | Vendor: HCL Software | Product: HCL Unica
Status : PUBLISHED

---

CVE-2021-27777 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.

Metrics

CVSS Version: 3.1 | Base Score: 7.5 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

l➤ Exploitability Metrics:
    Attack Vector (AV)* NETWORK
    Attack Complexity (AC)* LOW
    Privileges Required (PR)* NONE
    User Interaction (UI)* NONE
    Scope (S)* UNCHANGED

l➤ Impact Metrics:
    Confidentiality Impact (C)* NONE
    Integrity Impact (I)* HIGH
    Availability Impact (A)* NONE

Weakness Enumeration (CWE)

CWE-ID: CWE-91
CWE Name: CWE-91 XML Injection (aka Blind XPath Injection)
Source: HCL Software

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).