CVE-2020-36563

FAUCET Score

CVE-2020-36563 describes a vulnerability in the robotsandpencils go_saml package where XML Digital Signatures use SHA-1, making them susceptible to hash collision attacks. This medium-severity vulnerability (CVSS 5.3) has a low impact, primarily affecting integrity, and can be exploited remotely without user interaction. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		Range not provided by sourceCPE matchmatch criteria	cpe:2.3:a:robotsandpencils:go-saml:-:::::go::

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

Exploitability Score

3.9

Impact Score

1.4

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.30%

Probability of exploitation in next 30 days

EPSS Percentile

21.8%

Percentile rank of EPSS score among Peer Group

As of 2026-07-26

Model: v2026.06.15

This CVE's current EPSS score of 0.0030 is in the 12th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference

View patch

Vendor Advisories (1)

goGHSA-5rhg-xhgr-5hfjmedium

go-saml's XML Digital Signatures use SHA-1

Dec 28, 2022

References

github.com / RobotsAndPencils/go-saml/pull/38

PatchThird Party Advisory

pkg.go.dev / vuln/GO-2020-0047

PatchVendor Advisory