VulnerabilityModified
CVE-2020-36564
Due to improper validation of caller input, validation is silently disabled if the provided expected token is malformed, causing any user supplied token to be considered valid.
HIGH 7.5EPSS 0.72%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.72%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Due to improper validation of caller input, validation is silently disabled if the provided expected token is malformed, causing any user supplied token to be considered valid.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 0.72% probability · 52th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- nosurf project/nosurf
- Source
- security@golang.org
References
- https://github.com/justinas/nosurf/commit/4d86df7a4affa1fa50ab39fb09aac56c3ce9c314Patch, Third Party Advisory
- https://github.com/justinas/nosurf/pull/60Patch, Third Party Advisory
- https://pkg.go.dev/vuln/GO-2020-0049Third Party Advisory
- https://github.com/justinas/nosurf/commit/4d86df7a4affa1fa50ab39fb09aac56c3ce9c314Patch, Third Party Advisory
- https://github.com/justinas/nosurf/pull/60Patch, Third Party Advisory
- https://pkg.go.dev/vuln/GO-2020-0049Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.