CVE-2021-27777— HCL Unica Platform is vulnerable to XML External Entity (XXE) injection
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2021-27777
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
HCL Unica Platform is vulnerable to XML External Entity (XXE) injection
Source: NVD (National Vulnerability Database)
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
XML注入(XPath盲注)
Source: NVD (National Vulnerability Database)
Vulnerability Title
HCL Technologies HCL Unica Platform 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HCL Technologies HCL Unica Platform是印度HCL Technologies公司的一个先进的企业自动化营销平台。无需人工操作即可处理日常营销任务并捕获最有效的潜在客户。 HCL Technologies HCL Unica Platform 12.x 版本及其之前版本存在安全漏洞，该漏洞源于配置不当的 XML 解析器在未经充分验证的情况下处理用户提供的输入，导致XML外部实体(XXE)注入漏洞。攻击者可以利用此漏洞操纵 XML 内容并注入恶意外部实体引用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| HCL Software | HCL Unica | 12 and below | - |
II. Public POCs for CVE-2021-27777
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-27777
请登录查看更多情报信息。
Same Patch Batch · HCL Software · 2022-05-12 · 7 CVEs total
| CVE-2021-27771 | 8.2 HIGH | HCL Sametime is susceptible a file transfer service vulnerability |
| CVE-2021-27772 | 7.1 HIGH | HCL Sametime is vulnerable to an information disclosure |
| CVE-2021-27770 | 6.8 MEDIUM | HCL Sametime is vulnerable to arbitrary HTTP requests |
| CVE-2021-27768 | 6.3 MEDIUM | An SSL certificate host verification vulnerability affects HCL Verse for Android |
| CVE-2021-27769 | 5.3 MEDIUM | HCL Sametime is vulnerable to an information disclosure |
| CVE-2021-27773 | 4.2 MEDIUM | HCL Sametime is vulnerable to clickjacking |
IV. Related Vulnerabilities
Same vendor: HCL Software
- CVE-2025-31974
HCL BigFix Service Management (SM) is susceptible to a Root - CVE-2025-31976
HCL BigFix Service Management (SM) is vulnerable to insuffic - CVE-2025-31978
HCL BigFix Service Management (SM) does not adequately sanit - CVE-2025-31959
HCL BigFix Service Management (SM) application fails to stri - CVE-2025-31982
HCL BigFix Service Management (SM) had directories that were
Same weakness: CWE-91
- CVE-2026-41650
fast-xml-parser XMLBuilder: XML Comment and CDATA Injection - CVE-2026-41675
xmldom: XML node injection through unvalidated processing in - CVE-2026-41674
xmldom: XML injection through unvalidated DocumentType seria - CVE-2026-41672
xmldom: XML node injection through unvalidated comment seria - CVE-2026-27693
traccar allows XML injection in KML and GPX exports
V. Comments for CVE-2021-27777
No comments yet