1. Home
  2. CVE Database
  3. CVE-2018-20798
HIGH · 7.5

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 ...

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
NetgatePfsense2.4.4

Related Weaknesses (CWE)

CWE-732

References

FAQ

What is CVE-2018-20798?

CVE-2018-20798 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ...

How severe is CVE-2018-20798?

CVE-2018-20798 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-20798?

Check the references section above for vendor advisories and patch information. Affected products include: Netgate Pfsense.