Auth bypass in Matrix-org Matrix-android-sdk2
CVE-2022-39248
matrix-android-sdk2 is the Matrix SDK for Android. Prior to version 1.5.1, an attacker cooperating with a malicious homeserver can construct messages that legitimately appear to have come from another person, without any indication such as…
EPSS: 0.003 (50.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N.
Affected products
- Matrix-org Matrix-android-sdk2 — versions < 1.5.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- matrix.org/blog/2022/09/28/upgrade-now-to-address-encryption-vulns-in-matrix-sd… (x_refsource_MISC)
- github.com/matrix-org/matrix-android-sdk2/commit/77df720a238d17308deab83ecaa37f… (x_refsource_MISC)
- github.com/matrix-org/matrix-android-sdk2/releases/tag/v1.5.1 (x_refsource_MISC)
- github.com/matrix-org/matrix-android-sdk2/security/advisories/GHSA-fpgf-pjjv-2q… (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2022-39248?
- CVE-2022-39248 is a high-severity vulnerability in Matrix-org Matrix-android-sdk2, classified under Key Exchange without Entity Authentication. CVSS score: 8.6/10. Published 2022-09-28.
- How severe is CVE-2022-39248?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2022-39248 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.