CVE-2020-3548: Inefficient Algorithmic Complexity

A vulnerability in the Transport Layer Security TLS protocol implementation of Cisco AsyncOS software for Cisco Email Security Appliance ESA could allow an unauthenticated, remote attacker to cause high CPU usage on an affected device, resulting in a denial of service DoS condition. The...

CVE-2020-26082: Improper Input Validation

A vulnerability in the zip decompression engine of Cisco AsyncOS Software for Cisco Email Security Appliance ESA could allow an unauthenticated, remote attacker to bypass content filters that are configured on an affected device. The vulnerability is due to improper handling of password-protected...

CVE-2023-20057: Incomplete Filtering of One or More Instances of Special Elements

A vulnerability in the URL filtering mechanism 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...

CVE-2022-20960: Uncontrolled Resource Consumption

A vulnerability in Cisco AsyncOS Software for Cisco Email Security Appliance ESA could allow an unauthenticated remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper handling of certain TLS connections that are processed by an...

CVE-2022-20653: Undefined Security Weakness

A vulnerability in the DNS-based Authentication of Named Entities DANE email verification component of Cisco AsyncOS Software for Cisco Email Security Appliance ESA could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability...

CVE-2021-34741: Allocation of Resources Without Limits or Throttling

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...

CVE-2021-1534: Improper Input Validation

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...

CVE-2021-1129: Insertion of Sensitive Information Into Sent Data

A vulnerability in the authentication for the general purpose APIs implementation of Cisco Email Security Appliance ESA, Cisco Content Security Management Appliance SMA, and Cisco Web Security Appliance WSA could allow an unauthenticated, remote attacker to access general system information and...

PT-2020-5128

Name of the Vulnerable Software and Affected Versions Cisco Email Security Appliance ESA versions affected versions not specified Description The issue is related to errors in checking incoming URLs, which could allow a remote attacker to bypass URL filters. This is due to insufficient input...

CVE-2020-3137: Improper Neutralization of Input During Web Page Generation

A vulnerability in the web-based management interface of Cisco Email Security Appliance ESA could allow an unauthenticated, remote attacker to conduct a cross-site scripting XSS attack against a user of the web-based management interface of an affected device. The vulnerability exists because the...

CVE-2020-3133: Improper Input Validation

A vulnerability in the email message scanning of Cisco AsyncOS Software for Cisco Email Security Appliance ESA could allow an unauthenticated, remote attacker to bypass configured filters on the device. The vulnerability is due to improper validation of incoming emails. An attacker could exploit...

CVE-2019-1947: Improper Input Validation

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...

CVE-2020-3546: Improper Input Validation

A vulnerability in the web-based management interface of Cisco AsyncOS software for Cisco Email Security Appliance ESA could allow an unauthenticated, remote attacker to access sensitive information on an affected device. The vulnerability is due to insufficient validation of requests that are se...

PT-2020-4264

Name of the Vulnerable Software and Affected Versions: Cisco Email Security Appliance ESA affected versions not specified Description: A vulnerability in the web-based management interface of Cisco AsyncOS software could allow an unauthenticated, remote attacker to access sensitive information on...

PT-2020-2977

Name of the Vulnerable Software and Affected Versions Cisco Email Security Appliance ESA affected versions not specified Description A vulnerability in the antispam protection mechanisms of Cisco AsyncOS Software could allow an unauthenticated, remote attacker to bypass the URL reputation filters...

PT-2020-1731

Name of the Vulnerable Software and Affected Versions Cisco Email Security Appliance ESA affected versions not specified Description A vulnerability in the email message filtering feature of Cisco AsyncOS Software for Cisco Email Security Appliance ESA could allow an unauthenticated, remote...

CVE-2020-3132: Uncontrolled Resource Consumption

A vulnerability in the email message scanning feature of Cisco AsyncOS Software for Cisco Email Security Appliance ESA could allow an unauthenticated, remote attacker to cause a temporary denial of service DoS condition on an affected device. The vulnerability is due to inadequate parsing...

CVE-2020-3134: Improper Input Validation

A vulnerability in the zip decompression engine of Cisco AsyncOS Software for Cisco Email Security Appliance ESA could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to improper validation of zip files. An...

PT-2020-1648

Name of the Vulnerable Software and Affected Versions Cisco Email Security Appliance ESA affected versions not specified Description A vulnerability in the web-based management interface of Cisco Email Security Appliance ESA exists due to improper validation of user-supplied input. This could all...

PT-2020-1649

Name of the Vulnerable Software and Affected Versions Cisco Email Security Appliance ESA affected versions not specified Description A vulnerability in the email message scanning of Cisco AsyncOS Software for Cisco Email Security Appliance ESA could allow an unauthenticated, remote attacker to...