What is CVE-2023-49292?

CVE-2023-49292 is a medium-severity vulnerability in Ecies Go, classified under Information Disclosure. CVSS score: 4.9/10. Published 2023-12-05.

How severe is CVE-2023-49292?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Information disclosure in Ecies Go

CVE-2023-49292

ecies is an Elliptic Curve Integrated Encryption Scheme for secp256k1 in Golang. If funcations Encapsulate(), Decapsulate() and ECDH() could be called by an attacker, they could recover any private key that interacts with it. This vulnerability was patched in 2.0.8. Users are advised to upgrade.

Vulnerability class: Information Disclosure

Published 2023-12-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (24.6th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Ecies Go — versions < 2.0.8

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

github.com/ecies/go/security/advisories/GHSA-8j98-cjfr-qx3h (Vendor Advisory)
github.com/ecies/go/commit/c6e775163866d6ea5233eb8ec8530a9122101ebd (Patch)
github.com/ashutosh1206/Crypton/blob/master/Diffie-Hellman-Key-Exchange/Attack-… (Exploit)
github.com/ecies/go/releases/tag/v2.0.8 (Release Notes)

Frequently asked questions

What is CVE-2023-49292?: CVE-2023-49292 is a medium-severity vulnerability in Ecies Go, classified under Information Disclosure. CVSS score: 4.9/10. Published 2023-12-05.
How severe is CVE-2023-49292?: Medium severity. CVSS v3 base score is 4.9 out of 10.