CVSS: 5.8EPSS: 0%CPEs: 32EXPL: 0CVE-2023-20215
https://notcve.org/view.php?id=CVE-2023-20215
03 Aug 2023 — A vulnerability in the scanning engines of Cisco AsyncOS Software for Cisco Secure Web Appliance could allow an unauthenticated, remote attacker to bypass a configured rule, allowing traffic onto a network that should have been blocked. This vulnerability is due to improper detection of malicious traffic when the traffic is encoded with a specific content format. An attacker could exploit this vulnerability by using an affected device to connect to a malicious server and receiving crafted HTTP responses. A ... • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wsa-bypass-vXvqwzsj • CWE-202: Exposure of Sensitive Information Through Data Queries •
CVSS: 5.3EPSS: 0%CPEs: 5EXPL: 0CVE-2022-20952
https://notcve.org/view.php?id=CVE-2022-20952
16 Feb 2023 — A vulnerability in the scanning engines of Cisco AsyncOS Software for Cisco Secure Web Appliance, formerly known as Cisco Web Security Appliance (WSA), could allow an unauthenticated, remote attacker to bypass a configured rule, thereby allowing traffic onto a network that should have been blocked. This vulnerability exists because malformed, encoded traffic is not properly detected. An attacker could exploit this vulnerability by connecting through an affected device to a malicious server and receiving mal... • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wsa-bypass-bwBfugek • CWE-20: Improper Input Validation •
CVSS: 7.5EPSS: 0%CPEs: 14EXPL: 0CVE-2021-34741 – Cisco Email Security Appliance Denial of Service Vulnerability
https://notcve.org/view.php?id=CVE-2021-34741
04 Nov 2021 — A vulnerability in the email scanning algorithm of Cisco AsyncOS software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to perform a denial of service (DoS) attack against an affected device. This vulnerability is due to insufficient input validation of incoming emails. An attacker could exploit this vulnerability by sending a crafted email through Cisco ESA. A successful exploit could allow the attacker to exhaust all the available CPU resources on an affected dev... • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-dos-JOm9ETfO • CWE-770: Allocation of Resources Without Limits or Throttling •