VMware ESXi Remote Code Execution Vulnerability (CVE-2020-3992) Threat Alert

November 13, 2020 | NSFOCUS

Vulnerability Description On October 21, 2020, NSFOCUS detected that VMware released a security advisory that fixes a VMware ESXi remote code execution vulnerability (CVE-2020-3992). This vulnerability exists because OpenSLP as used in VMware ESXi has a use-after-free issue. An attacker residing in the management network who has access to port 427 on an ESXi machine […]

IoT botnets

Annual IoT Security Report 2019-3

November 11, 2020 | NSFOCUS

LockerGoga Ransomware Alleged to Repeatedly Attack Plants On January 24, 2019, France-based Altran Technologies was allegedly hit by LockerGoga ransomware. On March 19, Norsk Hydro, one of the largest aluminum companies worldwide, was hit by an extensive cyberattack, having machines around the globe infected with malware and some unable to operate. As a result, some […]

Attack and Defense Around PowerShell Event Logging

November 10, 2020 | NSFOCUS

0x00 Overview PowerShell has been a focus of concern for network defense. The fileless PowerShell, featuring LotL and excellent ease of use, is widely used in various attack scenarios. In order to capture PowerShell-based attacks, an increasing number of security professionals tend to, through PowerShell event log analysis, extract attack records such as post-exploitation data […]

IoT botnets

Annual IoT Security Report 2019-2

November 9, 2020 | NSFOCUS

Extensive Power Outages in Venezuela and New York Starting from the evening of March 7, 2019, a cyberattack hit Venezuela, leaving most parts of the country, including the capital Caracas, without power for more than 24 hours1. Because of the outage, the subway service in Caracas came to a halt, resulting in massive traffic jams. […]

oracle

WebLogic High-Risk Vulnerabilities (CVE-2020-14841, CVE-2020-14825, CVE-2020-14859) Threat Alert

November 6, 2020 | NSFOCUS

Overview On October 21, 2020, Beijing time, Oracle released Critical Patch Update (CPU) for October 2020 that fixes 402 vulnerabilities of different risk levels. The WebLogic Server Core component is prone to three severe vulnerabilities with a CVSS base score of 9.8, which are assigned CVE-2020-14841, CVE-2020-14825, and CVE-2020-14859 respectively.

IoT botnets

Annual IoT Security Report 2019-1

November 4, 2020 | NSFOCUS

Executive Summary With the constant evolution of the Internet of Things (IoT), the security of IoT is becoming an issue that more and more people are concerned about. In 2016, we issued the IoT Security Whitepaper to popularize IoT security for a general audience. In 2018, we released the 2017 Annual IoT Cybersecurity Report to […]

Apache Solr ConfigSet API Upload Function Vulnerability (CVE-2020-13957) Threat Alert

November 3, 2020 | NSFOCUS

Overview Recently, Apache Solr fixed a vulnerability (CVE-2020-13957) in the Configsets API upload function. Attackers could perform unauthorized operations by using a combination of UPLOAD/CREATE actions, which might eventually lead to command execution. Apache Solr is an enterprise search server that is based on Lucene.

Windows TCP/IP Remote Code Execution Vulnerability (CVE-2020-16898) Threat Alert

November 2, 2020 | NSFOCUS

Overview On October 13, 2020 (local time), Microsoft fixed a critical vulnerability dubbed Bad Neighbor (CVE-2020-16898) in the Windows TCP/IP stack in its latest monthly patch update. An attacker might execute arbitrary code on a remote system by sending maliciously crafted ICMPv6 Router Advertisement packets. McAfee said the proof-of-concept code shared with MAPP (Microsoft Active […]

Oracle October 2020 Critical Patch Update for All Product Families Threat Alert

October 31, 2020 | NSFOCUS

Overview On October 20, 2020, local time, Oracle released Critical Patch Update (CPU) for October 2020, its own security advisories, and third-party security bulletins, which fix 402 vulnerabilities of varying severity levels. For details about affected products and available patches, see the appendix. For complete information, see Oracle’s official security advisory from the following link:

Analysis of the 2020 H1 Vulnerability Trend

October 30, 2020 | NSFOCUS

Overview In 2020 H1, a total of 1419 vulnerabilities were added to the NSFOCUS Vulnerability Database (NSVD), 714 of which were high-risk vulnerabilities. Among these high-risk vulnerabilities, 184 vulnerabilities were Microsoft-related ones. High-risk vulnerabilities were mainly distributed in major products of Microsoft, Oracle, Adobe, Google, Cisco, IBM, Moxa, Apache, and other vendors.

Search

Subscribe to the NSFOCUS Blog