Security Bulletins

Active threat advisories and known exploited vulnerabilities.

Pulled daily from the CISA Known Exploited Vulnerabilities catalog. Every entry has confirmed active exploitation in the wild. Last synced Jun 12, 2026.

1,619 total bulletins 1,619 critical or high severity Source: CISA KEV + NVD
Critical CVE-2023-27997 Fortinet · FortiOS and FortiProxy SSL-VPN Added Jun 13, 2023

Fortinet FortiOS and FortiProxy SSL-VPN Heap-Based Buffer Overflow Vulnerability

Fortinet FortiOS and FortiProxy SSL-VPN contain a heap-based buffer overflow vulnerability which can allow an unauthenticated, remote attacker to execute code or commands via specifically crafted requests.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2023-3079 Google · Chromium V8 Added Jun 7, 2023

Google Chromium V8 Type Confusion Vulnerability

Google Chromium V8 Engine contains a type confusion vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2023-33009 Zyxel · Multiple Firewalls Added Jun 5, 2023

Zyxel Multiple Firewalls Buffer Overflow Vulnerability

Zyxel ATP, USG FLEX, USG FLEX 50(W), USG20(W)-VPN, VPN, and ZyWALL/USG firewalls contain a buffer overflow vulnerability in the notification function that could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and remote code execution on an affected device.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2023-33010 Zyxel · Multiple Firewalls Added Jun 5, 2023

Zyxel Multiple Firewalls Buffer Overflow Vulnerability

Zyxel ATP, USG FLEX, USG FLEX 50(W), USG20(W)-VPN, VPN, and ZyWALL/USG firewalls contain a buffer overflow vulnerability in the ID processing function that could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and remote code execution on an affected device.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2023-34362 Progress · MOVEit Transfer Added Jun 2, 2023

Progress MOVEit Transfer SQL Injection Vulnerability

Progress MOVEit Transfer contains a SQL injection vulnerability that could allow an unauthenticated attacker to gain unauthorized access to MOVEit Transfer's database. Depending on the database engine being used (MySQL, Microsoft SQL Server, or Azure SQL), an attacker may be able to infer information about the structure and contents of the database in addition to executing SQL statements that alter or delete database elements.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2023-28771 Zyxel · Multiple Firewalls Added May 31, 2023

Zyxel Multiple Firewalls OS Command Injection Vulnerability

Zyxel ATP, USG FLEX, VPN, and ZyWALL/USG firewalls allow for improper error message handling which could allow an unauthenticated attacker to execute OS commands remotely by sending crafted packets to an affected device.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2023-2868 Barracuda Networks · Email Security Gateway (ESG) Appliance Added May 26, 2023

Barracuda Networks ESG Appliance Improper Input Validation Vulnerability

Barracuda Email Security Gateway (ESG) appliance contains an improper input validation vulnerability of a user-supplied .tar file, leading to remote command injection.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2023-32409 Apple · Multiple Products Added May 22, 2023

Apple Multiple Products WebKit Sandbox Escape Vulnerability

Apple iOS, iPadOS, macOS, tvOS, watchOS, and Safari WebKit contain an unspecified vulnerability that can allow a remote attacker to break out of the Web Content sandbox. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2023-28204 Apple · Multiple Products Added May 22, 2023

Apple Multiple Products WebKit Out-of-Bounds Read Vulnerability

Apple iOS, iPadOS, macOS, tvOS, watchOS, and Safari WebKit contain an out-of-bounds read vulnerability that may disclose sensitive information when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2023-32373 Apple · Multiple Products Added May 22, 2023

Apple Multiple Products WebKit Use-After-Free Vulnerability

Apple iOS, iPadOS, macOS, tvOS, watchOS, and Safari WebKit contain a use-after-free vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2004-1464 Cisco · IOS Added May 19, 2023

Cisco IOS Denial-of-Service Vulnerability

Cisco IOS contains an unspecified vulnerability that may block further telnet, reverse telnet, Remote Shell (RSH), Secure Shell (SSH), and in some cases, Hypertext Transport Protocol (HTTP) access to the Cisco device.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2016-6415 Cisco · IOS, IOS XR, and IOS XE Added May 19, 2023

Cisco IOS, IOS XR, and IOS XE IKEv1 Information Disclosure Vulnerability

Cisco IOS, IOS XR, and IOS XE contain insufficient condition checks in the part of the code that handles Internet Key Exchange version 1 (IKEv1) security negotiation requests. contains an information disclosure vulnerability in the Internet Key Exchange version 1 (IKEv1) that could allow an attacker to retrieve memory contents. Successful exploitation could allow the attacker to retrieve memory contents, which can lead to information disclosure.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2023-21492 Samsung · Mobile Devices Added May 19, 2023

Samsung Mobile Devices Insertion of Sensitive Information Into Log File Vulnerability

Samsung mobile devices running Android 11, 12, and 13 contain an insertion of sensitive information into log file vulnerability that allows a privileged, local attacker to conduct an address space layout randomization (ASLR) bypass.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2023-25717 Ruckus Wireless · Multiple Products Added May 12, 2023

Multiple Ruckus Wireless Products CSRF and RCE Vulnerability

Ruckus Wireless Access Point (AP) software contains an unspecified vulnerability in the web services component. If the web services component is enabled on the AP, an attacker can perform cross-site request forgery (CSRF) or remote code execution (RCE). This vulnerability impacts Ruckus ZoneDirector, SmartZone, and Solo APs.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2021-3560 Red Hat · Polkit Added May 12, 2023

Red Hat Polkit Incorrect Authorization Vulnerability

Red Hat Polkit contains an incorrect authorization vulnerability through the bypassing of credential checks for D-Bus requests, allowing for privilege escalation.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2014-0196 Linux · Kernel Added May 12, 2023

Linux Kernel Race Condition Vulnerability

Linux Kernel contains a race condition vulnerability within the n_tty_write function that allows local users to cause a denial-of-service (DoS) or gain privileges via read and write operations with long strings.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2010-3904 Linux · Kernel Added May 12, 2023

Linux Kernel Improper Input Validation Vulnerability

Linux Kernel contains an improper input validation vulnerability in the Reliable Datagram Sockets (RDS) protocol implementation that allows local users to gain privileges via crafted use of the sendmsg and recvmsg system calls.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2015-5317 Jenkins · Jenkins User Interface (UI) Added May 12, 2023

Jenkins User Interface (UI) Information Disclosure Vulnerability

Jenkins User Interface (UI) contains an information disclosure vulnerability that allows users to see the names of jobs and builds otherwise inaccessible to them on the "Fingerprints" pages.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2016-3427 Oracle · Java SE and JRockit Added May 12, 2023

Oracle Java SE and JRockit Unspecified Vulnerability

Oracle Java SE and JRockit contains an unspecified vulnerability that allows remote attackers to affect confidentiality, integrity, and availability via vectors related to Java Management Extensions (JMX). This vulnerability can be exploited through sandboxed Java Web Start applications and sandboxed Java applets. It can also be exploited by supplying data to APIs in the specified component without using sandboxed Java Web Start applications or sandboxed Java applets, such as through a web service.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2016-8735 Apache · Tomcat Added May 12, 2023

Apache Tomcat Remote Code Execution Vulnerability

Apache Tomcat contains an unspecified vulnerability that allows for remote code execution if JmxRemoteLifecycleListener is used and an attacker can reach Java Management Extension (JMX) ports. This CVE exists because this listener wasn't updated for consistency with the Oracle patched issues for CVE-2016-3427 which affected credential types.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2023-29336 Microsoft · Win32k Added May 9, 2023

Microsoft Win32K Privilege Escalation Vulnerability

Microsoft Win32k contains an unspecified vulnerability that allows for privilege escalation up to SYSTEM privileges.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2023-1389 TP-Link · Archer AX21 Added May 1, 2023

TP-Link Archer AX-21 Command Injection Vulnerability

TP-Link Archer AX-21 contains a command injection vulnerability that allows for remote code execution.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2021-45046 Apache · Log4j2 Added May 1, 2023

Apache Log4j2 Deserialization of Untrusted Data Vulnerability

Apache Log4j2 contains a deserialization of untrusted data vulnerability due to the incomplete fix of CVE-2021-44228, where the Thread Context Lookup Pattern is vulnerable to remote code execution in certain non-default configurations.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2023-21839 Oracle · WebLogic Server Added May 1, 2023

Oracle WebLogic Server Unspecified Vulnerability

Oracle WebLogic Server contains an unspecified vulnerability that allows an unauthenticated attacker with network access via T3, IIOP, to compromise Oracle WebLogic Server.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed
Critical CVE-2023-28432 MinIO · MinIO Added Apr 21, 2023

MinIO Information Disclosure Vulnerability

MinIO contains a vulnerability in a cluster deployment where MinIO returns all environment variables, which allows for information disclosure.

NVD Detail ↗ CISA KEV ↗ Patch deadline passed

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