What is CVE-2020-36563?

CVE-2020-36563 is a medium-severity vulnerability in Github.com/robotsandpencils/go-Saml, classified under Improper Verification of Cryptographic Signature. CVSS score: 5.3/10. Published 2022-12-28.

How severe is CVE-2020-36563?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2020-36563 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Github.com/robotsandpencils/go-Saml

CVE-2020-36563

XML Digital Signatures generated and validated using this package use SHA-1, which may allow an attacker to craft inputs which cause hash collisions depending on their control over the input.

EPSS: 0.003 (21.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

Public proof-of-concept exploits

Live-Hack-CVE/CVE-2020-36563

References

security@golang.org (Patch, Third Party Advisory)
security@golang.org (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2020-36563?: CVE-2020-36563 is a medium-severity vulnerability in Github.com/robotsandpencils/go-Saml, classified under Improper Verification of Cryptographic Signature. CVSS score: 5.3/10. Published 2022-12-28.
How severe is CVE-2020-36563?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2020-36563 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.