Design/Logic Flaw

A vulnerability in the administrative shell of Cisco AsyncOS on Cisco Email Security Appliance ESA and Content Security Management Appliance SMA could allow an authenticated, local attacker to escalate their privilege level and gain root access. The attacker has to have a valid user credential wi...

CVE-2018-0095

CVE-2018-0095 affects Cisco Email Security Appliance (ESA) and Content Security Management Appliance (SMA). A locally authenticated attacker with at least guest privileges can exploit an incorrect networking configuration in the administrative shell CLI to escalate to root. Cisco released advisor...

CVE-2018-0095

A vulnerability in the administrative shell of Cisco AsyncOS on Cisco Email Security Appliance ESA and Content Security Management Appliance SMA could allow an authenticated, local attacker to escalate their privilege level and gain root access. The attacker has to have a valid user credential wi...

CVE-2018-0095

A vulnerability in the administrative shell of Cisco AsyncOS on Cisco Email Security Appliance ESA and Content Security Management Appliance SMA could allow an authenticated, local attacker to escalate their privilege level and gain root access. The attacker has to have a valid user credential wi...

Cisco ESA and Content SMA Elevation of Privilege Vulnerabilities

Cisco Email Security Appliances ESAs are email security gateway products designed to detect and block a variety of email-borne threats, such as malware, spam, and phishing attacks.The Cisco Content Security Management Appliance SMA centralizes multiple Cisco email and network security appliances'...

Cisco Email Security and Content Security Management Appliance Privilege Escalation Vulnerability

A vulnerability in the administrative shell of the Cisco Email Security Appliance ESA and Content Security Management Appliance SMA could allow an authenticated, local attacker to escalate their privilege level and gain root access. The attacker has to have a valid user credential with at least a...

How to disrupt attacks caused by social engineering

This post is authored by Milad Aslaner, Senior Program Manager, Windows & Devices Group. A decade ago, most cyber-attacks started with a piece of malware or a complex method to directly attack the infrastructure of a company. But this picture has changed and today all it takes is a sophisticated...

CVE-2017-17847

An issue was discovered in Enigmail before 1.9.9. Signature spoofing is possible because the UI does not properly distinguish between an attachment signature, and a signature that applies to the entire containing message, aka TBE-01-021. This is demonstrated by an e-mail message with an attachmen...

CVE-2017-17843

An issue was discovered in Enigmail before 1.9.9 that allows remote attackers to trigger use of an intended public key for encryption, because incorrect regular expressions are used for extraction of an e-mail address from a comma-separated list, as demonstrated by a modified Full Name field and ...

DEBIAN-CVE-2017-17847

An issue was discovered in Enigmail before 1.9.9. Signature spoofing is possible because the UI does not properly distinguish between an attachment signature, and a signature that applies to the entire containing message, aka TBE-01-021. This is demonstrated by an e-mail message with an attachmen...

Threat Outbreak Alert RuleID31677: Email Messages Distributing Malicious Software on December 20, 2017

Medium Alert ID: 56310 First Published: 2017 December 20 21:00 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID31677 may contain the following files: Name |...

Cisco Email Security Appliance Filter Bypass Vulnerability

According to its self-reported version, the Cisco Email Security Appliance ESA is affected by one or more vulnerabilities. Please see the included Cisco BIDs and the Cisco Security Advisory for more information. TRUSTED...

Threat Outbreak Alert RuleID31473: Email Messages Distributing Malicious Software on December 11, 2017

Medium Alert ID: 56221 First Published: 2017 December 11 17:58 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID31473 may contain the following files: Name |...

Threat Outbreak Alert RuleID31500: Email Messages Distributing Malicious Software on December 4, 2017

Medium Alert ID: 56120 First Published: 2017 December 4 15:05 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID31500 may contain the following files: Name |...

Cisco Email Security Appliance Security Bypass Vulnerability (CNVD-2017-36396)

The Cisco Email Security Appliance ESA is an email security appliance from Cisco in the U.S. AsyncOS Software is the operating system used in it.Multipurpose Internet Mail Extensions MIME AsyncOS Software is the operating system used in it. Multipurpose Internet Mail Extensions MIME scanner is on...

CVE-2017-12353

A vulnerability in the Multipurpose Internet Mail Extensions MIME scanner 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 improper error handling of a...

Input validation

A vulnerability in the Multipurpose Internet Mail Extensions MIME scanner 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 improper error handling of a...

CVE-2017-12353

The CVE-2017-12353 issue affects Cisco AsyncOS Software on Cisco Email Security Appliances (ESA). The MIME scanner component fails to properly handle malformed MIME headers in email attachments, enabling an unauthenticated, remote attacker to bypass configured user filters by sending a crafted MI...

CVE-2017-12353

A vulnerability in the Multipurpose Internet Mail Extensions MIME scanner 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 improper error handling of a...

Cisco Email Security Appliance Header Bypass Vulnerability

A vulnerability in the Simple Mail Transfer Protocol SMTP header filtering 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 improper handling...