Resource exhaustion in Cisco 1100 Integrated Services Router

CVE-2022-20717

A vulnerability in the NETCONF process of Cisco SD-WAN vEdge Routers could allow an authenticated, local attacker to cause an affected device to run out of memory, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient memory management when an affected device receives large amounts of traffic. An attacker could exploit this vulnerability by sending malicious traffic to an affected device. A successful exploit could allow the attacker to cause the device to crash, resulting in a DoS condition.

EPSS: 0.002 (10.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-20717?
CVE-2022-20717 is a medium-severity vulnerability in Cisco 1100 Integrated Services Router, classified under CWE-789. CVSS score: 5.5/10. Published 2022-04-15.
How severe is CVE-2022-20717?
Medium severity. CVSS v3 base score is 5.5 out of 10.