Vulnerability in Cisco iOS
CVE-2022-20697
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.012 (66.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Cisco iOS
- Cisco iOS — versions 15.3\(3\)jk100, 15.1\(3\)svu10, 15.1(3)svt2
- Cisco iOS Xe — versions 3.11.3ae, 3.11.3e, 3.11.4e
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-http-dos… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2022-20697?
- CVE-2022-20697 is a high-severity vulnerability in Cisco iOS, classified under CWE-691. CVSS score: 8.6/10. Published 2022-04-15.
- How severe is CVE-2022-20697?
- High severity. CVSS v3 base score is 8.6 out of 10.