CVE-2020-7919

Go before 1.12.16 and 1.13.x before 1.13.7 (and the crypto/cryptobyte package before 0.0.0-20200124225646-8b5121be2f68 for Go) allows attacks on clients (resulting in a panic) via a malformed X.509 certificate.

Published: 2020-03-16 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2020-7919 is rated Moderate Risk (61/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.58%). EPSS rose +1.93% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2020-7919

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.65% 2.58% +1.93%
2 2026-03-05 0.85% 0.65% -0.20%
3 2025-11-21 — 0.85% —

Full EPSS history (24 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-7919

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 6.9 [email protected]

Weakness enumeration for CVE-2020-7919

GitHub Security Advisory for CVE-2020-7919

GHSA-cjjc-xp8v-855w · Severity: high · Ecosystem: go — Helm uses crypto package vulnerable to panic from malformed X.509 certificate

OS Trackers for CVE-2020-7919

vendor priority summary link
alpine high CVE-2020-7919: 2 source package rows (containerd, go); 18 state rows across 7 repos (3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 18, open 0. https://security.alpinelinux.org/vuln/CVE-2020-7919
redhat high — https://access.redhat.com/security/cve/CVE-2020-7919
suse high CVE-2020-7919 severity important: SUSE including 15 source package names (docker, docker-bash-completion, …), 102 product×package rows across 39 product lines (SUSE CaaS Platform 4.0, SUSE CaaS Platform 4.5, … (39 product lines)): Known Not Affected 78, Fixed 24. https://www.suse.com/security/cve/CVE-2020-7919/
ubuntu medium CVE-2020-7919 medium priority: Ubuntu including 9 source packages (golang, golang-1.10, …), 159 status rows across 18 suites (bionic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 129, needs-triage 10, not-affected 9, ignored 4, released 4, needed 3. https://ubuntu.com/security/CVE-2020-7919

Affected software / configurations for CVE-2020-7919

Vendor Product Version Raw CPE
golang go >= 1.12, < 1.12.6 cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*
golang go >= 1.13, < 1.13.7 cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*
debian debian_linux 10.0 cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
fedoraproject fedora 31 cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
netapp cloud_insights_telegraf — cpe:2.3:a:netapp:cloud_insights_telegraf:-:*:*:*:*:*:*:*

References for CVE-2020-7919

cvelogic Threat Intelligence