Cisco Releases Security Updates

Cisco has released security updates to address a vulnerability in Cisco Small Business routers. A remote attacker could exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review Cisco Advisory cisco-sa-rv-132w134w-overflow-Pptt4H2p and...

TTP Table for Detecting APT Activity Related to SolarWinds and Active Directory/M365 Compromise

CISA has released a table of tactics, techniques, and procedures TTPs used by the advanced persistent threat APT actor involved with the recent SolarWinds and Active Directory/M365 compromise. The table uses the MITRE ATT&CK framework to identify APT TTPs and includes detection recommendations...

Use This One-Click Mitigation Tool from Microsoft to Prevent Exchange Attacks

Microsoft on Monday released a one-click mitigation software that applies all the necessary countermeasures to secure vulnerable environments against the ongoing widespread ProxyLogon Exchange Server cyberattacks. Called Exchange On-premises Mitigation Tool EOMT, the PowerShell-based script serve...

Microsoft Releases Exchange On-premises Mitigation Tool

Microsoft has released the Exchange On-premises Mitigation Tool EOMT.ps1 that can automate portions of both the detection and patching process. Microsoft stated the following along with the release: "the tool is intended to help customers who do not have dedicated security or IT teams to apply...

Hitachi ABB Power Grids AFS Series

1. EXECUTIVE SUMMARY CVSS v3 6.5 ATTENTION: Low skill level to exploit Vendor: Hitachi ABB Power Grids Equipment: AFS Series Vulnerability: Infinite Loop 2. RISK EVALUATION Successful exploitation of this vulnerability could cause a denial-of-service condition on one of the ports in a HSR ring...

Google Releases Security Updates for Chrome

Google has released Chrome version 89.0.4389.90 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. Thi...

Updates on Microsoft Exchange Server Vulnerabilities

CISA has added seven Malware Analysis Reports MARs to Alert AA21-062A: Mitigate Microsoft Exchange Server Vulnerabilities. Each MAR identifies a webshell associated with exploitation of the vulnerabilities in Microsoft Exchange Server products. After successful exploiting a Microsoft Exchange...

ProxyLogon PoC Exploit Released; Likely to Fuel More Disruptive Cyber Attacks

The U.S. Cybersecurity and Infrastructure Security Agency CISA and the Federal Bureau of Investigation FBI on Wednesday issued a joint advisory warning of active exploitation of vulnerabilities in Microsoft Exchange on-premises products by nation-state actors and cybercriminals. "CISA and FBI...

F5, CISA Warn of Critical BIG-IP and BIG-IQ RCE Bugs

F5 Networks is warning users to patch four critical remote command execution RCE flaws in its BIG-IP and BIG-IQ enterprise networking infrastructure. If exploited, the flaws could allow attackers to take full control over a vulnerable system. The company released an advisory, Wednesday, on seven...

Security Advisory: Mitigating the Risk of Microsoft Exchange Zero-Day ProxyLogon Vulnerabilities

Microsoft recently released several security updates for Microsoft Exchange Server to address vulnerabilities that sophisticated nation-state actors are exploiting to exfiltrate critical data from a variety of organizations. Reports suggest attackers have been targeting these vulnerabilities sinc...

Schneider Electric IGSS SCADA Software

1. EXECUTIVE SUMMARY CVSS v3 7.8 ATTENTION: Low skill level to exploit Vendor: Schneider Electric Equipment: IGSS Interactive Graphical SCADA System Vulnerabilities: Improper Restriction of Operations within the Bounds of a Memory Buffer 2. RISK EVALUATION Successful exploitation of these...

Microsoft Releases March 2021 Security Updates

Microsoft has released updates to address multiple vulnerabilities in Microsoft software. A remote attacker can exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Microsoft’s March 2021 Security Update Summary and...

F5 Security Advisory for RCE Vulnerabilities in BIG-IP, BIG-IQ

F5 has released a security advisory to address remote code execution RCE vulnerabilities—CVE-2021-22986, CVE-2021-22987—impacting BIG-IP and BIG-IQ devices. An attacker could exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators review the F...

FBI-CISA Joint Advisory on Compromise of Microsoft Exchange Server

CISA and the Federal Bureau of Investigation FBI have released a Joint Cybersecurity Advisory CSA to address recently disclosed vulnerabilities in Microsoft Exchange Server. CISA and FBI assess that adversaries could exploit these vulnerabilities to compromise networks, steal information, encrypt...

Microsoft Exchange attacks cause panic as criminals go shell collecting

Only last week we posted a blog about multiple zero-day exploits being used to attack on-premises versions of Microsoft Exchange Server in limited and targeted attacks. Seeing how this disclosure came with a patch being available, under normal circumstances you would see some companies update...

Adobe Releases Security Updates

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

Siemens SCALANCE and SIMATIC libcurl

1. EXECUTIVE SUMMARY CVSS v3 7.5 ATTENTION: Exploitable remotely/low skill level to exploit Vendor: Siemens Equipment: SCALANCE and SIMATIC Vulnerability: Out-of-bounds Read 2. RISK EVALUATION Successful exploitation of this third-party vulnerability could allow an attacker to cause a...

Siemens Solid Edge File Parsing

1. EXECUTIVE SUMMARY CVSS v3 7.8 ATTENTION: Low skill level to exploit Vendor: Siemens Equipment: Solid Edge Vulnerabilities: Out-of-bounds Write, Improper Restriction of XML External Entity Reference, Out-of-bounds Read 2. RISK EVALUATION Successful exploitation of these vulnerabilities could...

Siemens SCALANCE and RUGGEDCOM Devices SSH (Update A)

1. EXECUTIVE SUMMARY CVSS v3 8.6 ATTENTION: Exploitable remotely/low attack complexity Vendor: Siemens Equipment: SCALANCE and RUGGEDCOM Devices Vulnerability: Improper Restriction of Excessive Authentication Attempts 2. UPDATE INFORMATION This updated advisory is a follow-up to the original...

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. CISA encourages users and administrators to review the Apple security pages for the following products and apply the...