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Vulnerability record · CVE-2020-5775 · published 21 August 2020

CVE-2020-5775: Instructure canvas learning management service server-side request forgery (ssrf) vulnerability

Instructure · Canvas Learning Management Service

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.

5.8 CVSS 3.1 Medium EPSS 6.5% · top 6.4% CWE-918 · Server-side request forgery (SSRF)
5.8CVSS 3.1 base score, v2 5.0
6.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.tenable.com/security/research/tra-2020-49 ExploitPatchThird Party Advisory
https://www.tenable.com/security/research/tra-2020-49 ExploitPatchThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-5775), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.