CVE-2020-15216

mediumpriority · track · 26EPSS 0.009 · 59 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.90% (59th) EPSS

CVSS 4.3 · medium

Is it mine?

5 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

In goxmldsig (XML Digital Signatures implemented in pure Go) before version 1.1.0, with a carefully crafted XML file, an attacker can completely bypass signature validation and pass off an altered file as a signed one. A patch is available, all users of goxmldsig should upgrade to at least revision f6188febf0c29d7ffe26a0436212b19cb9615e64 or version 1.1.0

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.15.3mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:Nsecondary · ENISA EU

v3.15.3mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:Nsecondary · security-advisories@github.comexploitability 1.6 · impact 3.6

v3.15.3mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:Nsecondary · OSV

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-347USprimaryCWE-347US

affected products (5)

Products and version ranges known to be affected.

russellhaering goxmldsig≤ < 1.1.0enisa_euvdEU
fedoraproject fedora= 32nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
fedoraproject fedora= 33nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
goxmldsig project goxmldsig< 1.1.0nvdUScpe:2.3:a:goxmldsig_project:goxmldsig:*:*:*:*:*:*:*:*
Go github.com/russellhaering/goxmldsig< 1.1.0osvUSpkg:golang/github.com/russellhaering/goxmldsig

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-q547-gmf8-8jr7github.com/russellhaering/goxmldsig vulnerable to Signature Validation Bypass2021-05-24ghsa · osvUS
### Impact With a carefully crafted XML file, an attacker can completely bypass signature validation and pass off an altered file as a signed one. ### Patches A patch is available, all users of goxmldsig should upgrade to v1.1.0. ### For more information If you have any questions or comments about this advisory open an issue at https://github.com/russellhaering/goxmldsig
GO-2020-0050XML digital signature validation bypass in github.com/russellhaering/goxmldsig2021-04-14vendor · osvUS
Due to the behavior of encoding/xml, a crafted XML document may cause XML Digital Signature validation to be entirely bypassed, causing an unsigned document to appear signed.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2020-09-29modified 2026-06-17

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references (17)

External citations — patches, advisories, analysis.

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