CVE-2020-3546

Cisco Email Security Appliance Information Disclosure Vulnerability

Description

A vulnerability in the web-based management interface of Cisco AsyncOS software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to access sensitive information on an affected device. The vulnerability is due to insufficient validation of requests that are sent to the web-based management interface. An attacker could exploit this vulnerability by sending a crafted request to the interface of an affected device. A successful exploit could allow the attacker to obtain the IP addresses that are configured on the internal interfaces of the affected device. There is a workaround that addresses this vulnerability.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.56%
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-2020-3546?
CVE-2020-3546 has been scored as a medium severity vulnerability.
How to fix CVE-2020-3546?
To fix CVE-2020-3546, 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-2020-3546 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-3546 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-3546?
CVE-2020-3546 affects Cisco Cisco Email Security Appliance (ESA).
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.