Business Email Compromise (BEC) Criminal Ring

A criminal group called Cosmic Lynx seems to be based in Russia: Dubbed Cosmic Lynx, the group has carried out more than 200 BEC campaigns since July 2019, according to researchers from the email security firm Agari, particularly targeting senior executives at large organizations and corporations...

The vulnerability of Cisco AsyncOS, a software spam protection mechanism, for the Cisco Email Security Appliance allows attackers to bypass URL filters.

The vulnerability of Cisco AsyncOS, a software spam protection mechanism, for Cisco Email Security Appliances exists due to insufficient validation of input data. Exploiting this vulnerability could allow a malicious actor to bypass URL filters remotely...

Email Sender Identity is Key to Solving the Phishing Crisis

Email is in crisis. Despite massive advancements in perimeter and endpoint defenses, email remains a cybersecurity weak link for many companies. Why? Email is at the heart of everything we do online. It’s an essential line of communication for one-on-one and group conversations, both...

Engel & Völkers Technology GmbH: SPF Misconfiguration

There is a email spoofing vulnerability. Email spoofing is the forgery of an email header so that the message appears to have originated from someone or somewhere other than the actual source. Email spoofing is a tactic used in phishing and spam campaigns because people are more likely to open an...

CVE-2020-14954

CVE-2020-14954 affects mutt before 1.14.4 and NeoMutt before 2020-06-19. A STARTTLS buffering issue causes the client to read extra data after a server "begin TLS" response and evaluate it in a TLS context, enabling potential man‑in‑the‑middle (MITM) exploitation during IMAP/SMTP/POP3. The issue ...

CVE-2020-3368

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...

CVE-2020-3368

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...

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...

CVE-2020-3368

The CVE affects Cisco AsyncOS on the Cisco Email Security Appliance (ESA), where an input-validation weakness allows an unauthenticated, remote attacker to bypass URL reputation filters by crafting a URL. The root cause is insufficient URL input validation. Impact is bypass of URL filtering, enab...

CVE-2020-3368 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...

CVE-2020-3368 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 AsyncOS Software Input Validation Error Vulnerability (CNVD-2020-41805)

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 anti-spam protection mechanism of the AsyncOS Software in the Cisco ESA, which can be exploited ...

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...

Trump, Biden Campaign Staffers Targeted By APT Phishing Emails

With the U.S. presidential election months away, advanced persistent threat APT groups are targeting the campaign staffers of both Donald Trump and Joe Biden in recent phishing attacks. On Thursday, Shane Huntley with Google’s Threat Analysis Group said on Twitter that two separate phishing...

Understanding the Payload-Less Email Attacks Evading Your Security Team

The traditional image of a successful email attack is that of a naive employee clicking the link in a crudely crafted spam email bent on phishing. But times have changed, and employees are much more security-educated than they used to be. So, today’s threat actors are creating increasingly...

How to Avoid Spam—Using Disposable Contact Information

The next time you sign up for a coupon code or retail promotion, use these apps to avoid spam text and email messages...

keycloak: improper verification of certificate with host mismatch could result in information disclosure

A flaw was found in Keycloak, where it does not perform the TLS hostname verification while sending emails using the SMTP server. This flaw allows an attacker to perform a man-in-the-middle MITM attack...

Cybersecurity Needs to Go Back to the Basics

This is part of our ongoing conversation about the worldwide challenges of working remotely. To stay up-to-date on the latest insights, refer to our live page for COVID-19: Cybersecurity Community Resources. This piece was co-authored with support from Optiv. Security teams have spent decades...

CVE-2020-12272

OpenDMARC, versions up to 1.3.2 and 1.4.x, is affected by CVE-2020-12272. The flaw arises from incorrect parsing/interpretation of SPF/DKIM authentication results, enabling attacks that inject authentication results to provide false information about the domain that originated an email. This can ...

Unspecified Vulnerability in KDE KMail (CNVD-2021-31481)

KDE KMail is an e-mail component of Kontact personal information management suite from the KDE community. A security vulnerability exists in KDE KMail versions prior to 19.12.3. An attacker could use this vulnerability to cause KMail to append a local file to a written email message without...