Mozilla Releases Security Updates for Firefox and Firefox ESR

Mozilla has released security updates to address vulnerabilities in Firefox and Firefox ESR. An attacker could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the Mozilla Security Advisory for Firefox 100 and Firefox...

Mozilla Releases Security Updates for Firefox, Firefox ESR, and Thunderbird

Mozilla has released security updates to address vulnerabilities in Firefox, Firefox ESR, and Thunderbird. An attacker could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the Mozilla Security Advisory for Firefox 10...

Russian State-Sponsored Cyber Actors Gain Network Access by Exploiting Default Multifactor Authentication Protocols and “PrintNightmare” Vulnerability

Summary Multifactor Authentication MFA: A Cybersecurity Essential • MFA is one of the most important cybersecurity practices to reduce the risk of intrusions—according to industry research, users who enable MFA are up to 99 percent less likely to have an account compromised. • Every organization...

The top 5 most routinely exploited vulnerabilities of 2021

A joint Cybersecurity Advisory, coauthored by cybersecurity authorities of the United States CISA, NSA, and FBI, Australia ACSC, Canada CCCS, New Zealand NZ NCSC, and the United Kingdom NCSC-UK has detailed the top 15 Common Vulnerabilities and Exposures CVEs routinely exploited by malicious cybe...

CISA and FBI Update Advisory on Destructive Malware Targeting Organizations in Ukraine

CISA and the Federal Bureau of Investigation FBI have updated joint Cybersecurity Advisory AA22-057A: Destructive Malware Targeting Organizations in Ukraine, originally released February 26, 2022. The advisory has been updated to include additional indicators of compromise for WhisperGate and...

Schneider Electric Uncontrolled Search Path Element in embedded Rockwell Automation ISaGRAF5 Runtime (CVE-2020-25182)

Rockwell Automation ISaGRAF Runtime Versions 4.x and 5.x searches for and loads DLLs as dynamic libraries. Uncontrolled loading of dynamic libraries could allow a local, unauthenticated attacker to execute arbitrary code. This vulnerability only affects ISaGRAF Runtime when running on Microsoft...

Google Releases Security Updates for Chrome

Google has released Chrome version 101.0.4951.41 for Windows, Mac, and Linux. This version addresses vulnerabilities that an attacker could exploit to take control of an affected system. CISA encourages users and administrators to review the Chrome Release Note and apply the necessary updates. Th...

Cisco Releases Security Updates for Multiple Products

Cisco has released security updates to address vulnerabilities in multiple Cisco products. An attacker could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the Cisco Security Advisories page and apply the necessary...

Rockwell Automation ISaGRAF5 Runtime Plaintext Storage of a Password (CVE-2020-25184)

Rockwell Automation ISaGRAF Runtime Versions 4.x and 5.x stores the password in plaintext in a file that is in the same directory as the executable file. ISaGRAF Runtime reads the file and saves the data in a variable without any additional modification. A local, unauthenticated attacker could...

Rockwell Automation ISaGRAF5 Runtime Uncontrolled Search Path Element (CVE-2020-25182)

Rockwell Automation ISaGRAF Runtime Versions 4.x and 5.x searches for and loads DLLs as dynamic libraries. Uncontrolled loading of dynamic libraries could allow a local, unauthenticated attacker to execute arbitrary code. This vulnerability only affects ISaGRAF Runtime when running on Microsoft...

Mitsubishi Electric FA Products Use of Weak Hash (CVE-2022-25156)

Use of Weak Hash vulnerability in Mitsubishi Electric MELSEC iQ-F series FX5UC CPU all versions and Mitsubishi Electric MELSEC iQ-F series FX5UJ CPU all versions allows a remote unauthenticated attacker to login to the product by using a password reversed from a previously eavesdropped password...

Schneider Electric Cleartext Transmission of Sensitive Information in embedded Rockwell Automation ISaGRAF5 Runtime (CVE-2020-25178)

ISaGRAF Workbench communicates with Rockwell Automation ISaGRAF Runtime Versions 4.x and 5.x using TCP/IP. This communication protocol provides various file system operations, as well as the uploading of applications. Data is transferred over this protocol unencrypted, which could allow a remote...

Mitsubishi Electric FA Products Authentication Bypass By Capture-Replay (CVE-2022-25159)

Authentication Bypass by Capture-replay vulnerability in Mitsubishi Electric MELSEC iQ-F series FX5UC CPU all versions and Mitsubishi Electric MELSEC iQ-F series FX5UJ CPU all versions allows a remote unauthenticated attacker to login to the product by replay attack. This plugin only works with...

Mitsubishi Electric FA Products Cleartext Storage of Sensitive Information (CVE-2022-25158)

Cleartext Storage of Sensitive Information vulnerability in Mitsubishi Electric MELSEC iQ-F series FX5UC CPU all versions and Mitsubishi Electric MELSEC iQ-F series FX5UJ CPU all versions allows a remote attacker to disclose or tamper with a file in which password hash is saved in cleartext. This...

2021 Top Routinely Exploited Vulnerabilities

CISA, the National Security Agency NSA, the Federal Bureau of Investigation FBI, the Australian Cyber Security Centre ACSC, the Canadian Centre for Cyber Security CCCS, the New Zealand National Cyber Security Centre NZ NCSC, and the United Kingdom’s National Cyber Security Centre NCSC-UK have...

CISA Adds Seven Known Exploited Vulnerabilities to Catalog

CISA has added seven new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose significant risk to the federal enterprise. Note: to view the newly...

Skeletons in the Closet: Security 101 Takes a Backseat to 0-days

Rarely a month goes by without the infosec industry being plagued by a new zero-day apocalypse. Most recently in December 2021, the world was swept by a series of vulnerabilities in Log4J – a popular logging system used by thousands of systems around the world. While writing this article, the...

FBI Releases IOCs Associated with BlackCat/ALPHV Ransomware

The Federal Bureau of Investigation FBI has released a Flash report detailing indicators of compromise IOCs associated with attacks involving BlackCat/ALPHV, a Ransomware-as-a-Service that has compromised at least 60 entities worldwide. CISA encourages users and administrators to review the IOCs...

Cisco Releases Security Updates for Multiple Products

Cisco has released security updates to address vulnerabilities in multiple Cisco products. An attacker could exploit some of these vulnerabilities to take control of an affected system. For updates addressing lower severity vulnerabilities, see the Cisco Security Advisories page. CISA encourages...

Drupal Releases Security Updates

Drupal has released security updates to address vulnerabilities affecting Drupal 9.2 and 9.3. An attacker could exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Drupal security advisories SA-CORE-008 and SA-CORE-009 and apply...