MEDIUM
CVE-2021-3114
CWE-682Published: January 26, 2021· Updated: Jun 17, 2026
6.5
CVSS v3.1
Official Description
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.
Technical Analysis
CVE-2021-3114 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected Vendors & Products
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (16)
→
https://github.com/golang/go/commit/d95ca9138026cbe40e0857d76a81a16d03230871Patch · Third Party Advisory
→
https://groups.google.com/g/golang-announce/c/mperVMGa98wRelease Notes · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2021/03/msg00014.htmlMailing List · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2021/03/msg00015.htmlMailing List · Third Party Advisory
→
https://security.gentoo.org/glsa/202208-02Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20210219-0001/Third Party Advisory
→
https://www.debian.org/security/2021/dsa-4848Third Party Advisory
→
https://github.com/golang/go/commit/d95ca9138026cbe40e0857d76a81a16d03230871Patch · Third Party Advisory
→
https://groups.google.com/g/golang-announce/c/mperVMGa98wRelease Notes · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2021/03/msg00014.htmlMailing List · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2021/03/msg00015.htmlMailing List · Third Party Advisory
→
https://security.gentoo.org/glsa/202208-02Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20210219-0001/Third Party Advisory
Quick Facts
CVE IDCVE-2021-3114
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-682
CISA KEVNo
Affected4 vendor(s)
PublishedJan 26, 2021
Related CVEs (CWE-682)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-3114 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.