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.

RSS feed for current activities

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. 

Zoho Releases Security Advisory for ManageEngine Desktop Central and Desktop Central MSP

Zoho has released a security advisory to address an authentication bypass vulnerability in ManageEngine Desktop Central and Desktop Central MSP. An attacker could exploit this vulnerability to take control of an affected system. According to Zoho, this vulnerability is being actively exploited in the wild.

CISA Releases Security Advisory on WebHMI Vulnerabilities

CISA has released an Industrial Controls Systems (ICS) advisory detailing vulnerabilities in Distributed Data Systems WebHMI products. A remote attacker could exploit these vulnerabilities to take control of an affected system.

CISA encourages users and administrators to review ICS advisory ICSA-21-336-03 Distributed Data Systems WebHMI for more information and apply the necessary mitigations. 

CISA and FBI Release Alert on Active Exploitation of CVE-2021-44077 in Zoho ManageEngine ServiceDesk Plus

CISA and the Federal Bureau of Investigation (FBI) have released a joint Cybersecurity Advisory identifying active exploitation of a vulnerability—CVE-2021-44077—in Zoho ManageEngine ServiceDesk Plus. CVE-2021-44077 is an unauthenticated remote code execution vulnerability that affects all ServiceDesk Plus versions up to, and including, version 11305. 

Mozilla Releases Security Updates for Network Security Services

Mozilla has released security updates to address a vulnerability in Network Security Services (NSS).  An attacker could exploit this vulnerability to take control of an affected system.  

CISA encourages users and administrators to review the Mozilla Security Advisory for NSS and apply the necessary update. 

NSA and CISA Release Part III of Guidance on Securing 5G Cloud Infrastructures

CISA has announced the joint National Security Agency (NSA) and CISA publication of the third of a four-part series, Security Guidance for 5G Cloud Infrastructures. Part III: Data Protection examines security during all phases of the data lifecycle—in transit, in use, and at rest.