Auth bypass in Matrix Software_development_kit
CVE-2022-39257
Matrix iOS SDK allows developers to build iOS apps compatible with Matrix. Prior to version 0.23.19, an attacker cooperating with a malicious homeserver can construct messages appearing to have come from another person. Such messages will…
Vulnerability class: Broken Authentication
EPSS: 0.008 (51.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Matrix Software_development_kit
- Matrix-org Matrix-ios-sdk — versions < 0.23.19
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_MISC, Vendor Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Third Party Advisory, x_refsource_MISC, Release Notes)
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-39257?
- CVE-2022-39257 is a high-severity vulnerability in Matrix Software_development_kit, classified under Improper Authentication. CVSS score: 7.5/10. Published 2022-09-28.
- How severe is CVE-2022-39257?
- High severity. CVSS v3 base score is 7.5 out of 10.