CVE-2022-20697
High
Description
A vulnerability in the web services interface of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper resource management in the HTTP server code. An attacker could exploit this vulnerability by sending a large number of HTTP requests to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
SeverityHigh
CVSS8.6
Exploit probability—
Product
Cisco Ios
PublishedApr 15, 2022
First seenApr 15, 2022
Weakness typeCWE-691CWE-691
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cisco ios | 15.1\(3\)svr1, 15.1\(3\)svr2, 15.1\(3\)svr3, 15.1\(3\)svs, 15.1\(3\)svs1, 15.1\(3\)svt1, 15.1\(3\)svt2, 15.1\(3\)svt3, 15.1\(3\)svu1, 15.1\(3\)svu2, 15.1\(3\)svu10, 15.1\(3\)svv1, 15.2\(7\)e3, 15.2\(7\)e3a, 15.2\(7\)e3k, 15.2\(7\)e4, 15.2\(8\)e, 15.2\(234k\)e, 15.3\(3\)jk100, 15.3\(3\)jpj8, 15.9\(3\)m2, 15.9\(3\)m2a, 15.9\(3\)m3, 15.9\(3\)m3a, 15.9\(3\)m3b, 15.9\(3\)m4 | — |
| cisco ios_xe | 3.11.3ae, 3.11.3e, 3.11.4e | — |
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