Auth bypass in Matrix-org Matrix-android-sdk2
CVE-2022-39246
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 appearing to have come from another person. Such messages will be marked with a grey shie…
EPSS: 0.003 (55.5th 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-org Matrix-android-sdk2 — versions < 1.5.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/matrix-org/matrix-spec-proposals/pull/3061 (x_refsource_MISC)
- github.com/matrix-org/matrix-android-sdk2/security/advisories/GHSA-2pvj-p485-cp… (x_refsource_CONFIRM)
- 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)
Frequently asked questions
- What is CVE-2022-39246?
- CVE-2022-39246 is a high-severity vulnerability in Matrix-org Matrix-android-sdk2, classified under Key Exchange without Entity Authentication. CVSS score: 7.5/10. Published 2022-09-28.
- How severe is CVE-2022-39246?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-39246 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.