What’s Vulnerable › Vulnerabilities

CVE-2020-27197

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-10-17 · updated 2026-06-17
• Weakness: CWE-918

Description

TAXII libtaxii through 1.1.117, as used in EclecticIQ OpenTAXII through 0.2.0 and other products, allows SSRF via an initial http:// substring to the parse method, even when the no_network setting is used for the XML parser. NOTE: the vendor points out that the parse method "wraps the lxml library" and that this may be an issue to "raise ... to the lxml group.

Affected products

• Eclecticiq Opentaxii: through 0.2.0
• Libtaxii Project Libtaxii: through 1.1.117

References

• http://packetstormsecurity.com/files/159662/Libtaxii-1.1.117-OpenTaxi-0.2.0-Server-Side-Request-Forgery.html
• https://github.com/TAXIIProject/libtaxii/issues/246
• https://github.com/eclecticiq/OpenTAXII/issues/176
• http://packetstormsecurity.com/files/159662/Libtaxii-1.1.117-OpenTaxi-0.2.0-Server-Side-Request-Forgery.html
• https://github.com/TAXIIProject/libtaxii/issues/246
• https://github.com/eclecticiq/OpenTAXII/issues/176

Get alerted when CVE-2020-27197 or the next vulnerability affects your stack