CVE-2018-12291

UnknownEPSS 1.80%

Last modified

CVE-2018-12291 is a vulnerability of currently unknown severity. The on_get_missing_events function in handlers/federation.py in Matrix Synapse before 0.31.1 has a security bug in the get_missing_events federation API where event visibility rules were not applied correctly.. EPSS estimates a 1.80% chance of exploitation in the next 30 days.

Description

The on_get_missing_events function in handlers/federation.py in Matrix Synapse before 0.31.1 has a security bug in the get_missing_events federation API where event visibility rules were not applied correctly.

Metrics

EPSS Probability
1.80%

75.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
MatrixSynapse< 0.31.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-12291?
The on_get_missing_events function in handlers/federation.py in Matrix Synapse before 0.31.1 has a security bug in the get_missing_events federation API where event visibility rules were not applied correctly.
How severe is CVE-2018-12291?
Severity scoring for CVE-2018-12291 is pending analysis. The EPSS model estimates a 1.80% probability of exploitation in the next 30 days.
How do I fix CVE-2018-12291?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-12291?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST