CVE-2020-26290

Katalog CVE

CVSS 9.6 · Critical EPSS 0,99%

Kerentanan Improper Verification of Cryptographic Signature pada linuxfoundation dex. Skor CVSS 3.1 9.6 (Critical) menurut NVD.

Deskripsi (NVD)

Dex is a federated OpenID Connect provider written in Go. In Dex before version 2.27.0 there is a critical set of vulnerabilities which impacts users leveraging the SAML connector. The vulnerabilities enables potential signature bypass due to issues with XML encoding in the underlying Go library. The vulnerabilities have been addressed in version 2.27.0 by using the xml-roundtrip-validator from Mattermost (see related references).

Rincian

Terbit di NVD

28 Desember 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

9.6 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-347: Improper Verification of Cryptographic Signature

EPSS (30 hari)

0,99% peluang dieksploitasi; lebih tinggi dari 61,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/dexidp/dex/commit/324b1c886b407594196113a3dbddebe38eecd4e8 patch · advisory pihak ketiga
• https://github.com/dexidp/dex/releases/tag/v2.27.0 advisory pihak ketiga
• https://github.com/dexidp/dex/security/advisories/GHSA-m9hp-7r99-94h5 advisory pihak ketiga
• https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-attributes.md not applicable · advisory pihak ketiga
• https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-directives.md not applicable · advisory pihak ketiga
• https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-elements.md not applicable · advisory pihak ketiga
• https://github.com/russellhaering/goxmldsig/security/advisories/GHSA-q547-gmf8-8jr7 not applicable · advisory pihak ketiga
• https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/ not applicable · advisory pihak ketiga