High severity · published Apr 30, 2021
CVE-2020-7731
This affects all versions <0.7.0 of package github.com/russellhaering/gosaml2
7.5
CVSS
1.7%
EPSS
No
On KEV
Description
This affects all versions <0.7.0 of package github.com/russellhaering/gosaml2. There is a crash on nil-pointer dereference caused by sending malformed XML signatures.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GO
Gosaml2 · Gosaml2 Project
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-7731
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-7731
Patch
https://github.com/russellhaering/gosaml2/issues/59
github.com
https://github.com/russellhaering/gosaml2/releases/tag/v0.7.0
Third Party Advisory
https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMRUSSELLHAERINGGOSAML2-608302
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