ecdh vulnerable to Exposure of Resource to Wrong Sphere

published 2023-02-24 3 y ago modified 2026-06-17 4 mo ago also GHSA-p2hp-3wv3-4w74 , EUVD-2023-0748

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits: 0; none known

In Development IL ecdh before 0.2.0, an attacker can send an invalid point (not on the curve) as the public key, and obtain the derived shared secret.

Patch / fix

fixed in 2 links 2

npm ecdh 0.2.0
ecdh_project ecdh 0.2.0

github.com/developmentil/ecdh@ef4560e commit
github.com/developmentil/ecdh#4 pull request

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: partial
Assessed: 19 mo ago (2025-03-12)

Exploit prediction

0.67% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/developmentil/ecdh/issues/3 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
GitHub	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem	package	affected	fixed in
npm	ecdh	<0.2.0	0.2.0

Classification

Weakness

CWE-668 Exposure of Resource to Wrong Sphere

References

github.com /developmentil/ecdh/pull/4
web
github.com /developmentil/ecdh/commit/ef4560e7233f4e8107a17a77bc540121599c78fa
web
github.com /developmentil/ecdh/issues/3
web, exploit, issue-tracking
nvd.nist.gov /vuln/detail/CVE-2022-44310
advisory
github.com /developmentil/ecdh
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary