Vulnerability Details : CVE-2020-26547
Monal before 4.9 does not implement proper sender verification on MAM and Message Carbon (XEP-0280) results. This allows a remote attacker (able to send stanzas to a victim) to inject arbitrary messages into the local history, with full control over the sender and receiver displayed to the victim.
Exploit prediction scoring system (EPSS) score for CVE-2020-26547
Probability of exploitation activity in the next 30 days: 0.69%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 78 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-26547
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST |
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2020-26547
-
The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-26547
-
https://github.com/anurodhp/Monal/commits/develop
Commits · anurodhp/Monal · GitHubThird Party Advisory
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https://monal.im/blog/cve-2020-26547/
CVE-2020-26547 – Monal IMVendor Advisory
Products affected by CVE-2020-26547
- cpe:2.3:a:monal:monal:*:*:*:*:*:iphone_os:*:*