CVE-2019-5885
moderate-risk
Published 2019-03-21
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.
Do I need to act?
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0.78% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10
High
NETWORK
/ LOW complexity
Affected Vendors
References (8)
38
/ 100
moderate-risk
Severity
26/34 · High
Exploitability
3/34 · Minimal
Exposure
9/34 · Low