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CVE-2020-15216

22
FAUCET Score

CVE-2020-15216 is a critical vulnerability in goxmldsig, an XML Digital Signatures library for Go, affecting versions prior to 1.1.0, including various Fedora projects. An attacker can craft a malicious XML file to completely bypass signature validation, allowing altered files to be accepted as legitimate. This medium-severity vulnerability (CVSS 6.5) has a network attack vector and low attack complexity, potentially leading to high integrity impact by enabling unauthorized data modification. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.1.0CPE matchmatch criteria
cpe:2.3:a:goxmldsig_project:goxmldsig:*:*:*:*:*:*:*:*
32CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
33CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.90%
Probability of exploitation in next 30 days
EPSS Percentile
55.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0090 is in the 67th percentile among its peer group of 26,236 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/russellhaering/goxmldsigFixed in: 1.1.0
redhatend of lifevia redhat_api
Product: OpenShift Service Mesh 1Fixed in: servicemesh-grafana
redhatend of lifevia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-grafana

Vendor Advisories (2)

goGHSA-q547-gmf8-8jr7medium

github.com/russellhaering/goxmldsig vulnerable to Signature Validation Bypass

May 24, 2021
redhatCVE-2020-15216Moderate

goxmldsig: carefully crafted XML file could allow to bypass signature validation

Sep 30, 2020

References

github.com / russellhaering/goxmldsig/commit/f6188febf0c29d7ffe26a0436212b19cb9615e64
PatchThird Party Advisory
github.com / russellhaering/goxmldsig/security/advisories/GHSA-q547-gmf8-8jr7
Third Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/GUH33FPUXED3FHYL25BJOQPRKFGPOMS2
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/ZECBFD4M4PHBMBOCMSQ537NOU37QOVWP
pkg.go.dev / github.com/russellhaering/goxmldsig
Third Party Advisory