CVE-2017-8932
MEDIUMEPSS 81th pctlDescription
A bug in the standard library ScalarMult implementation of curve P-256 for amd64 architectures in Go before 1.7.6 and 1.8.x before 1.8.2 causes incorrect results to be generated for specific input points. An adaptive attack can be mounted to progressively extract the scalar input to ScalarMult by submitting crafted points and observing failures to the derive correct output. This leads to a full key recovery attack against static ECDH, as used in popular JWT libraries.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploit Intelligence
Elevated risk: more likely to be exploited than 81% of all known CVEs.
References
Related Vulnerabilities
Other CWE-682 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2022-30780 | High | 7.5 | 56% | - | Fix |
| CVE-2020-14422 | Medium | 5.9 | 13% | - | Fix |
| CVE-2016-7433 | Medium | 5.3 | 9.8% | - | Fix |
| CVE-2023-35641 | High | 8.8 | 7.2% | - | Fix |
| CVE-2018-8319 | Critical | 9.8 | 7.0% | - | - |
| CVE-2020-0022 | High | 8.8 | 6.1% | - | Fix |
Common questions
How do I fix CVE-2017-8932?
No published fix for CVE-2017-8932 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2017-8932 being actively exploited?
Not that we know of. CVE-2017-8932 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.2% is the estimated probability that it will be exploited in the next 30 days. That is higher than 81% of all scored CVEs.
How severe is CVE-2017-8932?
CVE-2017-8932 has a CVSS v3 base score of 5.9, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.