CVE-2021-3114

In Go before 1.14.14 and 1.15.x before 1.15.7, crypto/elliptic/p224.go can generate incorrect outputs, related to an underflow of the lowest limb during the final complete reduction in the P-224 field.

Published: 2021-01-26 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2021-3114 is rated Moderate Risk (55.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.67%). 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-2021-3114

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 2026-06-18 2.62% 2.67% +0.05%
2 2026-06-15 0.12% 2.62% +2.50%
3 2026-04-13 — 0.12% —

Full EPSS history (23 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2021-3114

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N 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:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 2.5 [email protected]
6.4 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:P/A:N 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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 4.9 [email protected]

Weakness enumeration for CVE-2021-3114

OS Trackers for CVE-2021-3114

vendor priority summary link
alpine medium CVE-2021-3114: 1 source package rows (go); 27 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 7, open 20. https://security.alpinelinux.org/vuln/CVE-2021-3114
debian not yet assigned CVE-2021-3114 not yet assigned priority: Debian including 1 source packages (golang-1.15), 1 status rows across 1 suites (bullseye): resolved 1. https://security-tracker.debian.org/tracker/CVE-2021-3114
gentoo high CVE-2021-3114: 1 GLSA(s) (202208-02), 1 atom(s) (dev-lang/go); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2021-3114
redhat medium — https://access.redhat.com/security/cve/CVE-2021-3114
suse medium CVE-2021-3114 severity moderate: SUSE including 31 source package names (delve-1.5.0-2.module+el8.4.0+8864+58b0fcdb, go-toolset-1.15.7-1.module+el8.4.0+9580+3b0e6c24, …), 110 product×package rows across 21 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (21 product lines)): Fixed 110. https://www.suse.com/security/cve/CVE-2021-3114/
ubuntu medium CVE-2021-3114 medium priority: Ubuntu including 8 source packages (golang, golang-1.10, …), 120 status rows across 16 suites (bionic, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 92, ignored 9, needed 9, needs-triage 9, released 1. https://ubuntu.com/security/CVE-2021-3114

Affected software / configurations for CVE-2021-3114

Vendor Product Version Raw CPE
golang go < 1.14.14 cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*
golang go >= 1.15, < 1.15.7 cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*
fedoraproject fedora 33 cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
debian debian_linux 9.0 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
debian debian_linux 10.0 cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
netapp cloud_insights_telegraf_agent — cpe:2.3:a:netapp:cloud_insights_telegraf_agent:-:*:*:*:*:*:*:*
netapp storagegrid — cpe:2.3:a:netapp:storagegrid:-:*:*:*:*:*:*:*

References for CVE-2021-3114

cvelogic Threat Intelligence