What is CVE-2024-40648?

CVE-2024-40648 is a medium-severity vulnerability in Matrix-org Matrix-rust-sdk, classified under Improper Authentication. CVSS score: 5.4/10. Published 2024-07-18.

How severe is CVE-2024-40648?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2024-40648 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Matrix-org Matrix-rust-sdk

CVE-2024-40648

matrix-rust-sdk is an implementation of a Matrix client-server library in Rust. The `UserIdentity::is_verified()` method in the matrix-sdk-crypto crate before version 0.7.2 doesn't take into account the verification status of the user's ow…

Vulnerability class: Broken Authentication

EPSS: 0.001 (20.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Matrix-org Matrix-rust-sdk — versions < 0.7.2

Weakness classification (CWE)

CWE-287 — Improper Authentication

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

https://github.com/matrix-org/matrix-rust-sdk/security/advisories/GHSA-4qg4-cvh2-crgg (x_refsource_CONFIRM)
https://github.com/matrix-org/matrix-rust-sdk/commit/76a7052149bb8f722df12da915b3a06d19a6695a (x_refsource_MISC)

Frequently asked questions

What is CVE-2024-40648?: CVE-2024-40648 is a medium-severity vulnerability in Matrix-org Matrix-rust-sdk, classified under Improper Authentication. CVSS score: 5.4/10. Published 2024-07-18.
How severe is CVE-2024-40648?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2024-40648 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.