US-CERT: The United States Computer Emergency Readiness Team

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Cisco Releases Security Updates for Multiple Products

Original release date: September 25, 2020Cisco has released security updates to address vulnerabilities in multiple products. A remote attacker could exploit some of these vulnerabilities to take control of an affected system. The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review the Cisco security...

Apple Releases Security Updates

Original release date: September 25, 2020Apple has released security updates to address vulnerabilities in multiple products. An attacker could exploit some of these vulnerabilities to take control of an affected system. The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review the Apple security...

Unpatched Domain Controllers Remain Vulnerable to Netlogon Vulnerability, CVE-2020-1472

Original release date: September 24, 2020The Cybersecurity and Infrastructure Security Agency (CISA) is aware of active exploitation of CVE-2020-1472, an elevation of privilege vulnerability in Microsoft’s Netlogon. A remote attacker can exploit this vulnerability to breach unpatched Active Directory domain controllers and obtain domain administrator...

Federal Agency Compromised by Malicious Cyber Actor

Original release date: September 24, 2020CISA became aware—via EINSTEIN, CISA’s intrusion detection system that monitors federal civilian networks—of a potential compromise of a federal agency’s network. In coordination with the affected agency, CISA conducted an incident response engagement, confirming malicious activity. The following information...

Mozilla Releases Security Updates for Firefox and Firefox ESR

Original release date: September 22, 2020Mozilla 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. The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review the Mozilla...

Mozilla Releases Security Updates for Firefox and Firefox ESR

Original release date: September 22, 2020Mozilla 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. The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review the Mozilla...

Google Releases Security Updates for Chrome

Original release date: September 22, 2020Google has updated the stable channel for Chrome to 85.0.4183.121 for Windows, Mac, and Linux. This version addresses vulnerabilities that an attacker could exploit to take control of an affected system. The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review...

LokiBot Malware

Original release date: September 22, 2020 | Last revised: September 23, 2020This Alert uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework. See the ATT&CK for Enterprise frameworks for all referenced threat actor techniques. This product was written by the Cybersecurity and Infrastructure Security Agency...

Vulnerability Summary for the Week of September 14, 2020

Original release date: September 21, 2020  High Vulnerabilities Primary Vendor -- Product Description Published CVSS Score Source & Patch Info apache -- struts Apache Struts 2.0.0 to 2.5.20 forced double OGNL evaluation, when evaluated on raw user input in tag attributes, may lead to...

Samba Releases Security Update for CVE-2020-1472

Original release date: September 21, 2020The Samba Team has released a security update to address a critical vulnerability—CVE-2020-1472—in multiple versions of Samba. This vulnerability could allow a remote attacker to take control of an affected system. The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators...

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