CVE-2021-27777
Last modified
CVE-2021-27777 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.77% chance of exploitation in the next 30 days.
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Hcltech | Unica | < 12.1.1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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