CVE-2018-20798
UnknownEPSS 1.42%
Last modified
CVE-2018-20798 is a vulnerability of currently unknown severity. The expiretable configuration in pfSense 2.4.4_1 establishes block durations that are incompatible with the block durations implemented by sshguard, which might make it easier for attackers to bypass intended access restrictions.. EPSS estimates a 1.42% chance of exploitation in the next 30 days.
Description
The expiretable configuration in pfSense 2.4.4_1 establishes block durations that are incompatible with the block durations implemented by sshguard, which might make it easier for attackers to bypass intended access restrictions.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Netgate | Pfsense | 2.4.4 | P1 |
References
- https://redmine.pfsense.org/issues/9223Exploit, Issue Tracking, Patch, Vendor Advisory
- https://redmine.pfsense.org/issues/9223Exploit, Issue Tracking, Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-20798?
The expiretable configuration in pfSense 2.4.4_1 establishes block durations that are incompatible with the block durations implemented by sshguard, which might make it easier for attackers to bypass intended access restrictions.
How severe is CVE-2018-20798?
Severity scoring for CVE-2018-20798 is pending analysis. The EPSS model estimates a 1.42% probability of exploitation in the next 30 days.
How do I fix CVE-2018-20798?
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-2018-20798?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST