CVE-2019-15988: 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. The vulnerability is due to insufficient input validation of URLs. An...

Cisco Email Security Appliance URL Filtering Bypass Vulnerability

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...

Cisco Email Security Appliance MP3 Content Filter Bypass Vulnerability

A vulnerability in the MP3 detection engine of Cisco AsyncOS Software for Cisco Email Security Appliance ESA could allow an unauthenticated, remote attacker to bypass configured content filters on the device. The vulnerability is due to improper validation of certain MP3 file types. An attacker...

Cisco Email Security Appliance CVE-2019-15988 Remote Security Bypass Vulnerability

Description Cisco Email Security Appliance is prone to a remote security-bypass vulnerability. An attacker can exploit this issue to bypass security restrictions and perform unauthorized actions. This may aid in further attacks. This issue is being tracked by Cisco Bug ID CSCvq09347. Technologies...

Cisco Email Security Appliance CVE-2019-15971 Remote Security Bypass Vulnerability

Description Cisco Email Security Appliance is prone to a remote security-bypass vulnerability. An attacker can exploit this issue to bypass security restrictions and perform unauthorized actions. This may aid in further attacks. This issue is being tracked by Cisco Bug ID CSCvh88851. Technologies...

Cisco Email Security Appliance Input Validation Error Vulnerability (CNVD-2019-40783)

Cisco Email Security Appliance ESA is an email security appliance from Cisco in the U.S. AsyncOS Software is the operating system that runs on it. An input validation error vulnerability exists in the Sender Policy Framework feature of AsyncOS Software prior to version 13.5 in the Cisco ESA, whic...

Cisco Web Security Appliance AsyncOS Software Access Control Error Vulnerability

The Cisco Web Security Appliance WSA is a web security appliance from Cisco. The appliance provides SaaS-based access control, real-time web reporting and tracking, and security policy formulation.AsyncOS Software is the operating system used in it. AsyncOS Software is an operating system used in...

Cisco Web Security Appliance CVE-2019-15956 Unauthorized Access Vulnerability

Description Cisco Web Security Appliance is prone to an unauthorized-access vulnerability. Attackers can exploit this issue to gain unauthorized access and perform unauthorized actions. This may aid in further attacks. This issue is being tracked by Cisco Bug ID CSCvp51493. Technologies Affected...

Cisco Email Security Appliance Filter Bypass Vulnerability

According to its self-reported version, Cisco Email Security Appliance ESA is affected by a filter bypass vulnerability in the Sender Policy Framework SPF functionality of Cisco AsyncOS Software for Cisco Email Security Appliance ESA due to insufficiently validating certain incoming SPF messages...

Design/Logic Flaw

A vulnerability in the Sender Policy Framework SPF functionality of Cisco AsyncOS Software for Cisco Email Security Appliance ESA could allow an unauthenticated, remote attacker to bypass the configured user filters on an affected device. The vulnerability exists because the affected software...

CVE-2019-12706 Cisco Email Security Appliance Filter Bypass Vulnerability

A vulnerability in the Sender Policy Framework SPF functionality of Cisco AsyncOS Software for Cisco Email Security Appliance ESA could allow an unauthenticated, remote attacker to bypass the configured user filters on an affected device. The vulnerability exists because the affected software...

Cisco Email Security Appliance Filter Bypass Vulnerability

A vulnerability in the Sender Policy Framework SPF functionality of Cisco AsyncOS Software for Cisco Email Security Appliance ESA could allow an unauthenticated, remote attacker to bypass the configured user filters on an affected device. The vulnerability exists because the affected software...

Cisco Email Security Appliance CVE-2019-12706 Remote Security Bypass Vulnerability

Description Cisco Email Security Appliance is prone to a remote security-bypass vulnerability. An attacker can exploit this issue to bypass security restrictions and perform unauthorized actions. This may aid in further attacks. This issue is being tracked by Cisco Bug ID CSCvq35034. Cisco AsyncO...

CVE-2019-12706: Improper Input Validation

A vulnerability in the Sender Policy Framework SPF functionality of Cisco AsyncOS Software for Cisco Email Security Appliance ESA could allow an unauthenticated, remote attacker to bypass the configured user filters on an affected device. The vulnerability exists because the affected software...

Input validation

A vulnerability in the Sender Policy Framework SPF functionality of Cisco AsyncOS Software for Cisco Email Security Appliances ESA could allow an unauthenticated, remote attacker to bypass configured user filters on the device. The vulnerability is due to incomplete input and validation checking...

CVE-2019-1955

Cisco AsyncOS (ESA) SPF handling vulnerability (CVE-2019-1955) allows an unauthenticated, remote attacker to bypass header filters by sending specially crafted SPF packets. Root cause is incomplete input/validation for SPF messages. Affected product: Cisco Email Security Appliance with AsyncOS; c...

CVE-2019-1955: Improper Input Validation

A vulnerability in the Sender Policy Framework SPF functionality of Cisco AsyncOS Software for Cisco Email Security Appliances ESA could allow an unauthenticated, remote attacker to bypass configured user filters on the device. The vulnerability is due to incomplete input and validation checking...

Cisco Email Security Appliance Header Injection Vulnerability

A vulnerability in the Sender Policy Framework SPF functionality of Cisco AsyncOS Software for Cisco Email Security Appliances ESA could allow an unauthenticated, remote attacker to bypass configured user filters on the device. The vulnerability is due to incomplete input and validation checking...

Cisco Email Security Appliance Content Filter Bypass Vulnerability (cisco-sa-20190417-esa-filter-bypass)

According to its self-reported version, Cisco Email Security Appliance ESA is affected by following vulnerability - 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...

The vulnerability of the Cisco AsyncOS operating system proxy server allows attackers to cause service interruptions for Cisco Web Security Appliance web servers.

The vulnerability of the Cisco AsyncOS operating system’s proxy server for Cisco Web Security Appliance products exists due to insufficient validation of input data. Exploiting this vulnerability could allow a malicious actor to cause service interruptions by sending malicious HTTP/HTTPS requests...