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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.065 (93.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.065 · newest: 0.065 · change: 0.000
Affected products
- Instructure Canvas Learning Management Service — versions 2020-07-29
- Instructure Canvas Learning Management System (Lms) — versions Canvas LMS 2020-07-29
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.tenable.com/security/research/tra-2020-49 (Exploit, Patch, Third Party Advisory)
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.