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CVE-2024-47178

19
FAUCET Score

CVE-2024-47178 is a timing-unsafe equality comparison vulnerability in the basic-auth-connect middleware (versions prior to 1.1.0) used with Express.js. This flaw could allow an attacker to glean timing information, potentially aiding in brute-force attacks against authentication credentials. Rated as Medium severity (CVSS 5.3), it requires no user interaction and has low impact on confidentiality, with no integrity or availability impact. Currently, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.1.0CPE matchmatch criteria
cpe:2.3:a:expressjs:basic-auth-connect:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 4.0

8.7HIGH

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
HIGH
VS Integrity
NONE
VS Availability
NONE
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.52%
Probability of exploitation in next 30 days
EPSS Percentile
41.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0052 is in the 26th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: basic-auth-connectFixed in: 1.1.0

Vendor Advisories (2)

npmGHSA-7p89-p6hx-q4fwhigh

basic-auth-connect's callback uses time unsafe string comparison

Sep 30, 2024
redhatCVE-2024-47178Important

basic-auth-connect: timing-unsafe equality comparison can leak timing information

Sep 30, 2024

References

github.com / expressjs/basic-auth-connect/commit/bac1e6a8530e1efd0028800b9b588a37adb0d203
Patch
github.com / expressjs/basic-auth-connect/security/advisories/GHSA-7p89-p6hx-q4fw
ExploitThird Party Advisory