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Vulnerability CVE-2022-20812
Published: 2022-07-06
| Description: |
Multiple vulnerabilities in the API and in the web-based management interface of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow a remote attacker to overwrite arbitrary files or conduct null byte poisoning attacks on an affected device. Note: Cisco Expressway Series refers to the Expressway Control (Expressway-C) device and the Expressway Edge (Expressway-E) device. For more information about these vulnerabilities, see the Details section of this advisory. |
Type:
CWE-22 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'))
CVSS2 => (AV:N/AC:L/Au:S/C:N/I:C/A:C)
| CVSS Base Score |
Impact Subscore |
Exploitability Subscore |
8.5/10 |
9.2/10 |
8/10 |
| Exploit range |
Attack complexity |
Authentication |
Remote |
Low |
Single time |
| Confidentiality impact |
Integrity impact |
Availability impact |
None |
Complete |
Complete |
References: |
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-overwrite-3buqW8LH
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