Vulnerability · Published Feb 19, 2020 · Assigned by cisco
CVE-2020-3132Cisco Email Security Appliance Shortened URL Denial of Service Vulnerability
Medium 6.8
In plain English
A medium-severity uncontrolled resource consumption in Cisco Email Security Appliance (ESA) from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 75% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco Email Security Appliance (ESA) | unspecified – before n/a |
Weakness: CWE-400 · Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
References
- 20200219 Cisco Email Security Appliance Shortened URL Denial of Service Vulnerability vendor-advisory, x_refsource_CISCO