Vulnerability Name: | CVE-2022-20697 (CCN-224216) |
Assigned: | 2021-11-02 |
Published: | 2022-04-13 |
Updated: | 2022-04-26 |
Summary: | 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.
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CVSS v3 Severity: | 8.6 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H) 7.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C)Exploitability Metrics: | Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None | Scope: | Scope (S): Changed
| Impact Metrics: | Confidentiality (C): None Integrity (I): None Availibility (A): High | 8.6 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H) 7.5 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C)Exploitability Metrics: | Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None | Scope: | Scope (S): Changed
| Impact Metrics: | Confidentiality (C): None Integrity (I): None Availibility (A): High |
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CVSS v2 Severity: | 6.8 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C)Exploitability Metrics: | Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): Single_Instance | Impact Metrics: | Confidentiality (C): None Integrity (I): None Availibility (A): Complete | 7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)Exploitability Metrics: | Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
| Impact Metrics: | Confidentiality (C): None Integrity (I): None Availibility (A): Complete |
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Vulnerability Type: | CWE-772
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Vulnerability Consequences: | Denial of Service |
References: | Source: MITRE Type: CNA CVE-2022-20697
Source: XF Type: UNKNOWN cisco-cve202220697-dos(224216)
Source: CCN Type: Cisco Security Advisory cisco-sa-http-dos-svOdkdBS Cisco IOS and IOS XE Software Web Services Denial of Service Vulnerability
Source: CISCO Type: Vendor Advisory 20220413 Cisco IOS and IOS XE Software Web Services Denial of Service Vulnerability
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Vulnerable Configuration: | Configuration 1: cpe:/o:cisco:ios:15.1(3)svr1:*:*:*:*:*:*:*OR cpe:/o:cisco:ios:15.1(3)svr2:*:*:*:*:*:*:*OR cpe:/o:cisco:ios:15.1(3)svr3:*:*:*:*:*:*:*OR cpe:/o:cisco:ios:15.1(3)svs:*:*:*:*:*:*:*OR cpe:/o:cisco:ios:15.1(3)svs1:*:*:*:*:*:*:*OR cpe:/o:cisco:ios:15.1(3)svt1:*:*:*:*:*:*:*OR cpe:/o:cisco:ios:15.1(3)svt2:*:*:*:*:*:*:*OR cpe:/o:cisco:ios:15.1(3)svt3:*:*:*:*:*:*:*OR cpe:/o:cisco:ios:15.1(3)svu1:*:*:*:*:*:*:*OR cpe:/o:cisco:ios:15.1(3)svu2:*:*:*:*:*:*:*OR cpe:/o:cisco:ios:15.1(3)svu10:*:*:*:*:*:*:*OR cpe:/o:cisco:ios:15.1(3)svv1:*:*:*:*:*:*:*OR cpe:/o:cisco:ios:15.2(7)e3:*:*:*:*:*:*:*OR cpe:/o:cisco:ios:15.2(7)e3a:*:*:*:*:*:*:*OR cpe:/o:cisco:ios:15.2(7)e3k:*:*:*:*:*:*:*OR cpe:/o:cisco:ios:15.2(7)e4:*:*:*:*:*:*:*OR cpe:/o:cisco:ios:15.2(8)e:*:*:*:*:*:*:*OR cpe:/o:cisco:ios:15.2(234k)e:*:*:*:*:*:*:*OR cpe:/o:cisco:ios:15.3(3)jk100:*:*:*:*:*:*:*OR cpe:/o:cisco:ios:15.3(3)jpj8:*:*:*:*:*:*:*OR cpe:/o:cisco:ios:15.9(3)m2:*:*:*:*:*:*:*OR cpe:/o:cisco:ios:15.9(3)m2a:*:*:*:*:*:*:*OR cpe:/o:cisco:ios:15.9(3)m3:*:*:*:*:*:*:*OR cpe:/o:cisco:ios:15.9(3)m3a:*:*:*:*:*:*:*OR cpe:/o:cisco:ios:15.9(3)m3b:*:*:*:*:*:*:*OR cpe:/o:cisco:ios:15.9(3)m4:*:*:*:*:*:*:*OR cpe:/o:cisco:ios_xe:3.11.3ae:*:*:*:*:*:*:*OR cpe:/o:cisco:ios_xe:3.11.3e:*:*:*:*:*:*:*OR cpe:/o:cisco:ios_xe:3.11.4e:*:*:*:*:*:*:* Configuration CCN 1: cpe:/o:cisco:ios_software:*:*:*:*:*:*:*:*OR cpe:/o:cisco:ios_xe_software:*:*:*:*:*:*:*:*
Denotes that component is vulnerable |
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