Vulnerabilities > Matrix > Synapse > 0.32.0

DATE CVE VULNERABILITY TITLE RISK
2020-10-19 CVE-2020-26891 Cross-site Scripting vulnerability in Matrix Synapse
AuthRestServlet in Matrix Synapse before 1.21.0 is vulnerable to XSS due to unsafe interpolation of the session GET parameter.
network
matrix CWE-79
4.3
2019-11-08 CVE-2019-18835 Insufficient Verification of Data Authenticity vulnerability in Matrix Synapse
Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs.
network
low complexity
matrix CWE-345
7.5
2019-05-09 CVE-2019-11842 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) vulnerability in Matrix Sydent and Synapse
An issue was discovered in Matrix Sydent before 1.0.3 and Synapse before 0.99.3.1.
network
low complexity
matrix CWE-338
5.0
2019-03-21 CVE-2019-5885 Use of Insufficiently Random Values vulnerability in multiple products
Matrix Synapse before 0.34.0.1, when the macaroon_secret_key authentication parameter is not set, uses a predictable value to derive a secret key and other secrets which could allow remote attackers to impersonate users.
network
low complexity
matrix fedoraproject CWE-330
7.5
2018-09-18 CVE-2018-16515 Improper Verification of Cryptographic Signature vulnerability in multiple products
Matrix Synapse before 0.33.3.1 allows remote attackers to spoof events and possibly have unspecified other impacts by leveraging improper transaction and event signature validation.
network
low complexity
matrix debian CWE-347
8.8