7.4

CVE-2023-46809: nodejs node Covert Timing Channel

Deferred
AliasesUBUNTU-CVE-2023-46809DEBIAN-CVE-2023-46809CGA-9pfh-w9mm-4mmc
Published 07-09-2024Last modified 04-11-2025

Vulnerability summary

CVE-2023-46809 is a high (CVSS 7.4) Covert Timing Channel vulnerability in nodejs node. EPSS estimates a 1.30% chance of exploitation in the next 30 days, higher than 70.5% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.4 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.4/10
010
High · v3.1 (CVE.org)
EPSS score
1.30%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 20 · Related 11

Timeline

  1. 07-09-2024
    PublishedVulnerability first disclosed.
  2. 04-11-2025
    Last modifiedVulnerability information updated.

Description

Node.js versions which bundle an unpatched version of OpenSSL or run against a dynamically linked version of OpenSSL which are unpatched are vulnerable to the Marvin Attack - https://people.redhat.com/~hkario/marvin/, if PCKS #1 v1.5 padding is allowed when performing RSA descryption using a private key.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

1.30%

Chance of exploitation in the next 30 days

Percentile

71%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.30% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard2 products
  • eco-nodejs-20.9.0All versions (No fix recorded)
  • nodejs-16All versions (No fix recorded)
Debian1 product
  • nodejs< 18.20.4+dfsg-1~deb12u1 | < 18.19.1+dfsg-1
Nodejs1 product
  • node≥ 4.0, < 4.* | ≥ 5.0, < 5.* | ≥ 6.0, < 6.* | ≥ 7.0, < 7.* | ≥ 8.0, < 8.* | ≥ 9.0, < 9.* | ≥ 10.0, < 10.* | ≥ 11.0, < 11.* | ≥ 12.0, < 12.* | ≥ 13.0, < 13.* | ≥ 14.0, < 14.* | ≥ 15.0, < 15.* | ≥ 16.0, < 16.* | ≥ 17.0, < 17.* | ≥ 18.0, < 18.19.1 | ≥ 19.0, < 19.* | ≥ 20.0, < 20.11.1 | ≥ 21.0, < 21.6.2
Ubuntu1 product
  • nodejsAll versions (No fix recorded)
Wolfi1 product
  • nodejs-16All versions (No fix recorded)

5 vendors · 6 products

References

8 links