The US-CERT Current Activity web page is a regularly updated summary of the most frequent, high-impact types of security incidents currently being reported to the US-CERT.

Cisco Releases Security Updates for Multiple Products

Cisco 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 page and apply the necessary updates.

Apple Releases Security Updates

Apple 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 pages for the following products and apply the necessary updates:

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

The 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 access.

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.

The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review the Mozilla Security Advisories for Firefox 81 and Firefox ESR 78.3 and apply the necessary updates.

Google Releases Security Updates for Chrome

Google 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 the stable channel update and apply the necessary changes.

Samba Releases Security Update for CVE-2020-1472

The 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 to review the Samba Security Announcement for CVE-2020-1472 and apply the necessary updates or workaround.