CVE-2020-12283

Public Exploit

Description

Sourcegraph before 3.15.1 has a vulnerable authentication workflow because of improper validation in the SafeRedirectURL method in cmd/frontend/auth/redirect.go, such as for the //foo//example.com substring.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.26%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/sourcegraph/sourcegraph/pull/10167 third party advisory patch
https://github.com/sourcegraph/sourcegraph/compare/v3.15.0...v3.15.1 third party advisory release notes
https://github.com/sourcegraph/sourcegraph/commit/c0f48172e815c7f66471a38f0a06d1fc32a77a64 third party advisory patch
https://github.com/sourcegraph/sourcegraph/blob/master/CHANGELOG.md third party advisory release notes
https://securitylab.github.com/advisories/GHSL-2020-085-sourcegraph third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2020-12283?
CVE-2020-12283 has been scored as a medium severity vulnerability.
How to fix CVE-2020-12283?
To fix CVE-2020-12283, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-12283 being actively exploited in the wild?
It is possible that CVE-2020-12283 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.