CVE-2020-3132: medium-severity vulnerability in Cisco Email Security Appliance (ESA)
Cisco Email Security Appliance Shortened URL Denial of Service Vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.8epss 1.5%
A vulnerability in the email message scanning feature of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to cause a temporary denial of service (DoS) condition on an affected device. The vulnerability is due to inadequate parsing mechanisms for specific email body components. An attacker could exploit this vulnerability by sending a malicious email containing a high number of shortened URLs through an affected device. A successful exploit could allow the attacker to consume processing resources, causing a DoS condition on an affected device. To successfully exploit this vulnerability, certain conditions beyond the control of the attacker must occur.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
Affected products
Cisco · Cisco Email Security Appliance (ESA)Related CVEs — Cisco Email Security Appliance (ESA)
In the same product, most dangerous first.
CVE-2018-15460HIGHCisco Email Security Appliance URL Filtering Denial of Service VulnerabilityEPSS 2.5%CVE-2018-15453HIGHCisco Email Security Appliance Memory Corruption Denial of Service VulnerabilityEPSS 2.3%CVE-2018-0447—Cisco Email Security Appliance URL Filtering Bypass VulnerabilityEPSS 2.3%CVE-2019-1947HIGHCisco Email Security Appliance Denial of Service VulnerabilityEPSS 1.9%CVE-2019-1983HIGHCisco Email Security Appliance and Cisco Content Security Management Appliance Denial of Service VulnerabilityEPSS 1.9%CVE-2022-20653HIGHCisco Email Security Appliance DNS Verification Denial of Service VulnerabilityEPSS 1.8%