CVE-2022-20798

Cisco Email Security Appliance and Cisco Secure Email and Web Manager External Authentication Bypass Vulnerability

Description

A vulnerability in the external authentication functionality of Cisco Secure Email and Web Manager, formerly known as Cisco Security Management Appliance (SMA), and Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass authentication and log in to the web management interface of an affected device. This vulnerability is due to improper authentication checks when an affected device uses Lightweight Directory Access Protocol (LDAP) for external authentication. An attacker could exploit this vulnerability by entering a specific input on the login page of the affected device. A successful exploit could allow the attacker to gain unauthorized access to the web-based management interface of the affected device.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.06%
Vendor Advisory cisco.com
Affected: Cisco Cisco Email Security Appliance (ESA)
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2022-20798?
CVE-2022-20798 has been scored as a critical severity vulnerability.
How to fix CVE-2022-20798?
To fix CVE-2022-20798, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-20798 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-20798 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-20798?
CVE-2022-20798 affects Cisco Cisco Email Security Appliance (ESA).
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