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December 2021

Vulnerabilities first published in this month (UTC), newest first.

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  • Medium 6.6
    CVE-2021-44832 Public exploit EPSS 98%

    Apache Log4j2 vulnerable to RCE via JDBC Appender when attacker controls configuration

    Apache Log4j2 versions 2.0-beta7 through 2.17.0 (excluding security fix releases 2.3.2 and 2.12.4) are vulnerable to a remote code execution (RCE) attack when a configuration uses a JDBC Appender with a JNDI LDAP data source URI when an attacker has control o…

  • Unscored —
    CVE-2021-45814 Public exploit

    Nettmp NNT 5.1 is affected by a SQL injection vulnerability. An attacker can bypass authentication and access the panel…

  • Unscored —
    CVE-2021-45425 Public exploit

    Reflected Cross Site Scripting (XSS) in SAFARI Montage versions 8.3 and 8.5 allows remote attackers to execute JavaScri…

  • High 8.8
    CVE-2021-43858 Public exploit EPSS 35%

    User privilege escalation in MinIO

    MinIO is a Kubernetes native application for cloud storage. Prior to version `RELEASE.2021-12-27T07-23-18Z`, a malicious client can hand-craft an HTTP API call that allows for updating policy for a user and gaining higher privileges. The patch in version `REL…

  • Critical 9.8
    CVE-2021-43857 Public exploit EPSS 56%

    Gerapy may contain remote code execution vulnerability

    Gerapy is a distributed crawler management framework. Gerapy prior to version 0.9.8 is vulnerable to remote code execution, and this issue is patched in version 0.9.8.

  • Unscored —
    CVE-2021-45232 Public exploit EPSS 86%

    security vulnerability on unauthorized access.

    In Apache APISIX Dashboard before 2.10.1, the Manager API uses two frameworks and introduces framework `droplet` on the basis of framework `gin`, all APIs and authentication middleware are developed based on framework `droplet`, but some API directly use the …

  • Medium 6.8
    CVE-2021-45511 Public exploit EPSS 19%

    Certain NETGEAR devices are affected by authentication bypass. This affects AC2100 before 2021-08-27, AC2400 before 202…

  • Unscored —
    CVE-2021-45485 Public exploit

    In the IPv6 implementation in the Linux kernel before 5.13.3, net/ipv6/output_core.c has an information leak because of…

  • Unscored —
    CVE-2021-36750 Public exploit EPSS 14%

    ENC DataVault before 7.2 and VaultAPI v67 mishandle key derivation, making it easier for attackers to determine the pas…

  • Unscored —
    CVE-2021-44733 Public exploit

    A use-after-free exists in drivers/tee/tee_shm.c in the TEE subsystem in the Linux kernel through 5.15.11. This occurs …

  • Unscored —
    CVE-2021-24750 Public exploit EPSS 38%

    WP Visitor Statistics (Real Time Traffic) < 4.8 - Subscriber+ SQL Injection

    The WP Visitor Statistics (Real Time Traffic) WordPress plugin before 4.8 does not properly sanitise and escape the refUrl in the refDetails AJAX action, available to any authenticated user, which could allow users with a role as low as subscriber to perform …

  • Unscored —
    CVE-2021-44916 Public exploit

    Opmantek Open-AudIT Community 4.2.0 (Fixed in 4.3.0) is affected by a Cross Site Scripting (XSS) vulnerability. If a ba…

  • Unscored —
    CVE-2021-42913 Public exploit

    The SyncThru Web Service on Samsung SCX-6x55X printers allows an attacker to gain access to a list of SMB users and cle…

  • Unscored —
    CVE-2021-44790 Public exploit EPSS 97%

    Possible buffer overflow when parsing multipart content in mod_lua of Apache HTTP Server 2.4.51 and earlier

    A carefully crafted request body can cause a buffer overflow in the mod_lua multipart parser (r:parsebody() called from Lua scripts). The Apache httpd team is not aware of an exploit for the vulnerabilty though it might be possible to craft one. This issue af…

  • Unscored —
    CVE-2021-45041 Public exploit

    SuiteCRM before 7.12.2 and 8.x before 8.0.1 allows authenticated SQL injection via the Tooltips action in the Project m…

  • Medium 5.9
    CVE-2021-45105 Public exploit EPSS 100%

    Apache Log4j2 does not always protect from infinite recursion in lookup evaluation

    Apache Log4j2 versions 2.0-alpha1 through 2.16.0 (excluding 2.12.3 and 2.3.1) did not protect from uncontrolled recursion from self-referential lookups. This allows an attacker with control over Thread Context Map data to cause a denial of service when a craf…

  • High 7.5
    CVE-2021-23797 Public exploit

    Directory Traversal

    All versions of package http-server-node are vulnerable to Directory Traversal via use of --path-as-is.

  • High 7.5
    CVE-2021-22054 Exploited Public exploit EPSS 100%

    VMware Workspace ONE UEM console 20.0.8 prior to 20.0.8.37, 20.11.0 prior to 20.11.0.40, 21.2.0 prior to 21.2.0.27, and…

    KEV Mar 9, 2026
  • Unscored —
    CVE-2021-41962 Public exploit

    Cross Site Scripting (XSS) vulnerability exists in Sourcecodester Vehicle Service Management System 1.0 via the Owner f…

  • Unscored —
    CVE-2021-45092 Public exploit EPSS 41%

    Thinfinity VirtualUI before 3.0 has functionality in /lab.html reachable by default that could allow IFRAME injection v…

  • Unscored —
    CVE-2021-0963 Public exploit

    In onCreate of KeyChainActivity.java, there is a possible way to use an app certificate stored in keychain due to a tap…

  • Unscored —
    CVE-2021-0954 Public exploit

    In ResolverActivity, there is a possible user interaction bypass due to a tapjacking/overlay attack. This could lead to…

  • Unscored —
    CVE-2021-0928 Public exploit

    In createFromParcel of OutputConfiguration.java, there is a possible parcel serialization/deserialization mismatch due …

  • Unscored —
    CVE-2021-44655 Public exploit

    Online Pre-owned/Used Car Showroom Management System 1.0 contains a SQL injection authentication bypass vulnerability. …

  • Unscored —
    CVE-2021-44653 Public exploit

    Online Magazine Management System 1.0 contains a SQL injection authentication bypass vulnerability. The Admin panel aut…

  • Medium 4.3
    CVE-2021-43908 Public exploit

    Visual Studio Code Spoofing Vulnerability

    Visual Studio Code Spoofing Vulnerability

  • High 7.5
    CVE-2021-43893 Public exploit

    Windows Encrypting File System (EFS) Elevation of Privilege Vulnerability

    Windows Encrypting File System (EFS) Elevation of Privilege Vulnerability

  • High 7.8
    CVE-2021-43891 Public exploit EPSS 12%

    Visual Studio Code Remote Code Execution Vulnerability

    Visual Studio Code Remote Code Execution Vulnerability

  • High 7.8
    CVE-2021-43883 Public exploit EPSS 12%

    Windows Installer Elevation of Privilege Vulnerability

    Windows Installer Elevation of Privilege Vulnerability

  • High 7.8
    CVE-2021-43229 Public exploit

    Windows NTFS Elevation of Privilege Vulnerability

    Windows NTFS Elevation of Privilege Vulnerability

  • High 7.8
    CVE-2021-43226 Exploited · Ransomware Public exploit

    Windows Common Log File System Driver Elevation of Privilege Vulnerability

    Windows Common Log File System Driver Elevation of Privilege Vulnerability

    KEV Oct 6, 2025
  • Medium 5.5
    CVE-2021-43224 Public exploit

    Windows Common Log File System Driver Information Disclosure Vulnerability

    Windows Common Log File System Driver Information Disclosure Vulnerability

  • High 8.1
    CVE-2021-43217 Public exploit

    Windows Encrypting File System (EFS) Remote Code Execution Vulnerability

    Windows Encrypting File System (EFS) Remote Code Execution Vulnerability

  • Unscored —
    CVE-2021-45043 Public exploit EPSS 33%

    HD-Network Real-time Monitoring System 2.0 allows ../ directory traversal to read /etc/shadow via the /language/lang s_…

  • Unscored —
    CVE-2021-41560 Public exploit EPSS 11%

    OpenCATS through 0.9.6 allows remote attackers to execute arbitrary code by uploading an executable file via lib/FileUt…

  • Unscored —
    CVE-2021-43326 Public exploit

    Automox Agent before 32 on Windows incorrectly sets permissions on a temporary directory.

  • Critical 9.9
    CVE-2021-43821 Public exploit

    Files Accessible to External Parties in Opencast

    Opencast is an Open Source Lecture Capture & Video Management for Education. Opencast before version 9.10 or 10.6 allows references to local file URLs in ingested media packages, allowing attackers to include local files from Opencast's host machines and maki…

  • High 7.5
    CVE-2021-4044 Public exploit EPSS 50%

    Invalid handling of X509_verify_cert() internal errors in libssl

    Internally libssl in OpenSSL calls X509_verify_cert() on the client side to verify a certificate supplied by a server. That function may return a negative return value to indicate an internal error (for example out of memory). Such a negative return value is …

  • Critical 9.0
    CVE-2021-45046 Exploited · Ransomware Public exploit EPSS 100%

    Apache Log4j2 Thread Context Message Pattern and Context Lookup Pattern vulnerable to a denial of service attack

    It was found that the fix to address CVE-2021-44228 in Apache Log4j 2.15.0 was incomplete in certain non-default configurations. This could allows attackers with control over Thread Context Map (MDC) input data when the logging configuration uses a non-defaul…

    KEV May 1, 2023
  • High 7.5
    CVE-2021-39312 Public exploit EPSS 78%

    True Ranker <= 2.2.2 Directory Traversal/Arbitrary File Read

    The True Ranker plugin <= 2.2.2 for WordPress allows arbitrary files, including sensitive configuration files such as wp-config.php, to be accessed via the src parameter found in the ~/admin/vendor/datatables/examples/resources/examples.php file.