CVSS: 8.6EPSS: 0%CPEs: 10EXPL: 0CVE-2021-34698 – Cisco Web Security Appliance Proxy Service Denial of Service Vulnerability
https://notcve.org/view.php?id=CVE-2021-34698
06 Oct 2021 — A vulnerability in the proxy service of Cisco AsyncOS for Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to exhaust system memory and cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper memory management in the proxy service of an affected device. An attacker could exploit this vulnerability by establishing a large number of HTTPS connections to the affected device. A successful exploit could allow the attacker to cause t... • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wsa-dos-fmHdKswk • CWE-401: Missing Release of Memory after Effective Lifetime •
CVSS: 5.8EPSS: 0%CPEs: 8EXPL: 0CVE-2021-1534 – Cisco Email Security Appliance URL Filtering Bypass Vulnerability
https://notcve.org/view.php?id=CVE-2021-1534
06 Oct 2021 — A vulnerability in the antispam protection mechanisms of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the URL reputation filters on an affected device. This vulnerability is due to improper processing of URLs. An attacker could exploit this vulnerability by crafting a URL in a particular way. A successful exploit could allow the attacker to bypass the URL reputation filters that are configured for an affected device, which could al... • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-url-bypass-sGcfsDrp • CWE-20: Improper Input Validation •
CVSS: 9.0EPSS: 0%CPEs: 4EXPL: 0CVE-2021-1359 – Cisco Web Security Appliance Privilege Escalation Vulnerability
https://notcve.org/view.php?id=CVE-2021-1359
08 Jul 2021 — A vulnerability in the configuration management of Cisco AsyncOS for Cisco Web Security Appliance (WSA) could allow an authenticated, remote attacker to perform command injection and elevate privileges to root. This vulnerability is due to insufficient validation of user-supplied XML input for the web interface. An attacker could exploit this vulnerability by uploading crafted XML configuration files that contain scripting code to a vulnerable device. A successful exploit could allow the attacker to execute... • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-scr-web-priv-esc-k3HCGJZ • CWE-112: Missing XML Validation •
CVSS: 7.4EPSS: 0%CPEs: 12EXPL: 0CVE-2021-1566 – Cisco Email Security Appliance and Cisco Web Security Appliance Certificate Validation Vulnerability
https://notcve.org/view.php?id=CVE-2021-1566
16 Jun 2021 — A vulnerability in the Cisco Advanced Malware Protection (AMP) for Endpoints integration of Cisco AsyncOS for Cisco Email Security Appliance (ESA) and Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to intercept traffic between an affected device and the AMP servers. This vulnerability is due to improper certificate validation when an affected device establishes TLS connections. A man-in-the-middle attacker could exploit this vulnerability by sending a crafted TLS packet t... • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-wsa-cert-vali-n8L97RW • CWE-295: Improper Certificate Validation CWE-296: Improper Following of a Certificate's Chain of Trust •
CVSS: 6.5EPSS: 0%CPEs: 9EXPL: 0CVE-2021-1516 – Cisco Content Security Management Appliance, Email Security Appliance, and Web Security Appliance Information Disclosure Vulnerability
https://notcve.org/view.php?id=CVE-2021-1516
06 May 2021 — A vulnerability in the web-based management interface of Cisco AsyncOS Software for Cisco Content Security Management Appliance (SMA), Cisco Email Security Appliance (ESA), and Cisco Web Security Appliance (WSA) could allow an authenticated, remote attacker to access sensitive information on an affected device. The vulnerability exists because confidential information is included in HTTP requests that are exchanged between the user and the device. An attacker could exploit this vulnerability by looking at t... • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-wsa-sma-info-gY2AEz2H • CWE-540: Inclusion of Sensitive Information in Source Code •
CVSS: 7.8EPSS: 0%CPEs: 4EXPL: 0CVE-2020-3367 – Cisco Secure Web Appliance Privilege Escalation Vulnerability
https://notcve.org/view.php?id=CVE-2020-3367
18 Nov 2020 — A vulnerability in the log subscription subsystem of Cisco AsyncOS for the Cisco Secure Web Appliance (formerly Web Security Appliance) could allow an authenticated, local attacker to perform command injection and elevate privileges to root. This vulnerability is due to insufficient validation of user-supplied input for the web interface and CLI. An attacker could exploit this vulnerability by authenticating to the affected device and injecting scripting commands in the scope of the log subscription subsyst... • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wsa-prv-esc-nPzWZrQj • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') •
CVSS: 5.8EPSS: 0%CPEs: 1EXPL: 0CVE-2020-3568 – Cisco Email Security Appliance URL Filtering Bypass Vulnerability
https://notcve.org/view.php?id=CVE-2020-3568
08 Oct 2020 — A vulnerability in the antispam protection mechanisms of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the URL reputation filters on an affected device. The vulnerability is due to insufficient input validation of URLs. An attacker could exploit this vulnerability by crafting a URL in a particular way. A successful exploit could allow the attacker to bypass the URL reputation filters that are configured for the affected device, whic... • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-url-bypass-zZtugtg3 • CWE-20: Improper Input Validation •
CVSS: 8.6EPSS: 2%CPEs: 2EXPL: 0CVE-2019-1947 – Cisco Email Security Appliance Denial of Service Vulnerability
https://notcve.org/view.php?id=CVE-2019-1947
23 Sep 2020 — A vulnerability in the email message filtering feature of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to cause the CPU utilization to increase to 100 percent, causing a denial of service (DoS) condition on an affected device. The vulnerability is due to improper handling of email messages that contain large attachments. An attacker could exploit this vulnerability by sending a malicious email message through the targeted device. A successfu... • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200219-esa-dos • CWE-20: Improper Input Validation •
CVSS: 7.8EPSS: 1%CPEs: 7EXPL: 0CVE-2019-1983 – Cisco Email Security Appliance and Cisco Content Security Management Appliance Denial of Service Vulnerability
https://notcve.org/view.php?id=CVE-2019-1983
23 Sep 2020 — A vulnerability in the email message filtering feature of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) and Cisco Content Security Management Appliance (SMA) could allow an unauthenticated, remote attacker to cause repeated crashes in some internal processes that are running on the affected devices, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient input validation of email attachments. An attacker could exploit this vulnerability by sending an emai... • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200219-esa-sma-dos • CWE-20: Improper Input Validation •
CVSS: 6.5EPSS: 0%CPEs: 6EXPL: 0CVE-2020-3547 – Cisco Email Security Appliance, Cisco Content Security Management Appliance, and Cisco Web Security Appliance Information Disclosure Vulnerability
https://notcve.org/view.php?id=CVE-2020-3547
04 Sep 2020 — A vulnerability in the web-based management interface of Cisco AsyncOS software for Cisco Email Security Appliance (ESA), Cisco Content Security Management Appliance (SMA), and Cisco Web Security Appliance (WSA) could allow an authenticated, remote attacker to access sensitive information on an affected device. The vulnerability exists because an insecure method is used to mask certain passwords on the web-based management interface. An attacker could exploit this vulnerability by looking at the raw HTML co... • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sma-wsa-esa-info-dis-vsvPzOHP • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-522: Insufficiently Protected Credentials •