CVE-2022-20697

CVSS V2 Medium 6.8 CVSS V3 High 8.6
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.
Overview
  • CVE ID
  • CVE-2022-20697
  • Assigner
  • ykramarz@cisco.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-04-15T15:15:12
  • Last Modified Date
  • 2022-04-26T15:54:56
Weakness Enumerations
CWE URL
CWE-772 http://cwe.mitre.org/data/definitions/772.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:cisco:ios:15.1\(3\)svr1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:15.1\(3\)svr2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:15.1\(3\)svr3:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:15.1\(3\)svs:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:15.1\(3\)svs1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:15.1\(3\)svt1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:15.1\(3\)svt2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:15.1\(3\)svt3:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:15.1\(3\)svu1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:15.1\(3\)svu2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:15.1\(3\)svu10:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:15.1\(3\)svv1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:15.2\(7\)e3:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:15.2\(7\)e3a:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:15.2\(7\)e3k:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:15.2\(7\)e4:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:15.2\(8\)e:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:15.2\(234k\)e:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:15.3\(3\)jk100:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:15.3\(3\)jpj8:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:15.9\(3\)m2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:15.9\(3\)m2a:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:15.9\(3\)m3:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:15.9\(3\)m3a:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:15.9\(3\)m3b:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios:15.9\(3\)m4:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:3.11.3ae:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:3.11.3e:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:3.11.4e:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:N/I:N/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 8.6
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 4
References
Reference URL Reference Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-http-dos-svOdkdBS Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2022-20697
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-20697
History
Created Old Value New Value Data Type Notes
2022-05-10 06:26:33 Added to TrackCVE