SSRF in Instructure Canvas Learning Management Service
CVE-2020-5775
Server-Side Request Forgery in Canvas LMS 2020-07-29 allows a remote, unauthenticated attacker to cause the Canvas application to perform HTTP GET requests to arbitrary domains.
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.065 (93.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N.
Affected products
- Instructure Canvas_learning_management_service — versions 2020-07-29
- N/a Instructure Canvas Learning Management System (Lms) — versions Canvas LMS 2020-07-29
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vulnreport@tenable.com (Exploit, Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-5775?
- CVE-2020-5775 is a medium-severity vulnerability in Instructure Canvas Learning Management Service, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.8/10. Published 2020-08-21.
- How severe is CVE-2020-5775?
- Medium severity. CVSS v3 base score is 5.8 out of 10.
- Is CVE-2020-5775 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.