Vulnerability · Published May 6, 2020 · Assigned by cisco
CVE-2020-3283Cisco Firepower 1000 Series SSL/TLS Denial of Service Vulnerability
High 8.6
In plain English
A high-severity memory corruption in Cisco Firepower Threat Defense Software from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.0% (higher than 81% of all known vulnerabilities).
Official description
A vulnerability in the Secure Sockets Layer (SSL)/Transport Layer Security (TLS) handler of Cisco Firepower Threat Defense (FTD) Software when running on the Cisco Firepower 1000 Series platform could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition on an affected device. The vulnerability is due to a communication error between internal functions. An attacker could exploit this vulnerability by sending a crafted SSL/TLS message to an affected device. A successful exploit could allow the attacker to cause a buffer underrun, which leads to a crash. The crash causes the affected device to reload.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco Firepower Threat Defense Software | n/a |
Weakness: CWE-119 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
References
- 20200506 Cisco Firepower 1000 Series SSL/TLS Denial of Service Vulnerability vendor-advisory, x_refsource_CISCO