Vulnerability · Published Jul 31, 2020 · Assigned by cisco

CVE-2020-3375Cisco SD-WAN Solution Software Buffer Overflow Vulnerability

Critical 9.8

In plain English

A critical-severity memory corruption in Cisco SD-WAN vManage from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.9% (higher than 90% of all known vulnerabilities).

Severity (CVSS 3.0)9.8Critical

Exploit odds (30 days)3.9%top 9.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability in Cisco SD-WAN Solution Software could allow an unauthenticated, remote attacker to cause a buffer overflow on an affected device. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to gain access to information that they are not authorized to access, make changes to the system that they are not authorized to make, and execute commands on an affected system with privileges of the root user.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco SD-WAN vManage	n/a

Weakness: CWE-119 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

20200729 Cisco SD-WAN Solution Software Buffer Overflow Vulnerability vendor-advisory, x_refsource_CISCO