# CVE-2024-23688: Consensys Discovery Nonce Reuse

Status: published. Published: 2024-01-19. Updated: 2026-11-08.

Consensys Discovery versions less than 0.4.5 uses the same AES/GCM nonce for the entire session. which should ideally be unique for every message. The node's private key isn't compromised, only the session key generated for specific peer communication is exposed.

## Remediation

- fix: tech.pegasys.discovery:discovery (Maven): OSV reports a fixed version 0.4.5. Check the advisory for supported release branches. (source: OSV GHSA-w3hj-wr2q-x83g) — https://github.com/advisories/GHSA-w3hj-wr2q-x83g

## Affected products and versions

-  /  (tech.pegasys.discovery:discovery): ≥ 0; < 0.4.5 (affected, maven). Source: CNA: VulnCheck
-  / tech.pegasys.discovery:discovery (tech.pegasys.discovery:discovery): Ecosystem version events: introduced 0; fixed 0.4.5. Source: OSV GHSA-w3hj-wr2q-x83g

## Severity and prioritization

- CVSS 3.1: 5.3 (medium); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N; source: ADP: CISA-ADP

- CISA KEV: No listing in collected sources

- EPSS: 0.49% as of 2026-11-08; percentile 42.64%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-323

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://github.com/ConsenSys/discovery/security/advisories/GHSA-w3hj-wr2q-x83g (CNA: VulnCheck; vendor-advisory)

- https://github.com/advisories/GHSA-w3hj-wr2q-x83g (CNA: VulnCheck; vendor-advisory)

- https://vulncheck.com/advisories/vc-advisory-GHSA-w3hj-wr2q-x83g (CNA: VulnCheck; third-party-advisory)

- https://github.com/ConsenSys/discovery/security/advisories/GHSA-w3hj-wr2q-x83g (ADP: CVE; vendor-advisory, x_transferred)

- https://github.com/advisories/GHSA-w3hj-wr2q-x83g (ADP: CVE; third-party-advisory, x_transferred)

- https://vulncheck.com/advisories/vc-advisory-GHSA-w3hj-wr2q-x83g (ADP: CVE; third-party-advisory, x_transferred)

- https://github.com/advisories/GHSA-w3hj-wr2q-x83g (OSV / GitHub Security Advisories; advisory)

- https://osv.dev/vulnerability/GHSA-w3hj-wr2q-x83g (OSV / GitHub Security Advisories; osv)

## Provenance

- CNA: VulnCheck: https://www.cve.org/CVERecord?id=CVE-2024-23688; retrieved 2026-11-08; source updated 2026-11-08

- OSV / GitHub Security Advisories: https://osv.dev/vulnerability/GHSA-w3hj-wr2q-x83g; retrieved 2026-11-08; source updated 2026-07-08

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2024-23688; retrieved 2026-11-08; source updated Not reported

Revision: ec1ec33fa45d7ebc9a248e9f9ab254c18d41f5eecf81cfb605e685694838fd6f

Canonical: https://y2.dev/cve/CVE-2024-23688

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.