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CVEs with exploitation confirmed by CISA (Known Exploited Vulnerabilities), with required actions and deadlines.

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CVE-2022-23134 Medium · 5.3 KEV High · 63 Public exploit CWE-287 Jan 13, 2022
Zabbix Frontend Improper Access Control Vulnerability
After the initial setup process, some steps of setup.php file are reachable not only by super-administrators, but by unauthenticated users as well. Malicious actor can pass step checks and potentially change the configuration of Zabbix Frontend.
CVE-2022-23131 Critical · 9.8 KEV Urgent · 73 Public exploit CWE-290 Jan 13, 2022
Zabbix Frontend Authentication Bypass Vulnerability
In the case of instances where the SAML SSO authentication is enabled (non-default), session data can be modified by a malicious actor, because a user login stored in the session was not verified. Malicious unauthenticated actor may exploit this issue to escalate privileges and gain admin access to Zabbix Frontend. To perform the attack, SAML authentication is required to be enabled and the actor has to know the username of Zabbix user (or use the guest account, which is disabled by default).
CVE-2022-21919 High · 7.0 KEV High · 54 CWE-59 Jan 11, 2022
Microsoft Windows User Profile Service Privilege Escalation Vulnerability
Windows User Profile Service Elevation of Privilege Vulnerability
CVE-2022-21882 High · 7.8 KEV Urgent · 84 Public exploit Ransomware CWE-787 Jan 11, 2022
Microsoft Win32k Privilege Escalation Vulnerability
Win32k Elevation of Privilege Vulnerability
CVE-2022-22265 High · 7.8 KEV High · 46 CWE-703 Jan 10, 2022
Samsung Mobile Devices Use-After-Free Vulnerability
An improper check or handling of exceptional conditions in NPU driver prior to SMR Jan-2022 Release 1 allows arbitrary memory write and code execution.
CVE-2021-35247 Medium · 5.3 KEV High · 51 CWE-20 Jan 10, 2022
SolarWinds Serv-U Improper Input Validation Vulnerability
Serv-U web login screen to LDAP authentication was allowing characters that were not sufficiently sanitized. SolarWinds has updated the input mechanism to perform additional validation and sanitization. Please Note: No downstream affect has been detected as the LDAP servers ignored improper characters. To insure proper input validation is completed in all environments. SolarWinds recommends scheduling an update to the latest version of Serv-U.
CVE-2021-44168 High · 7.8 KEV High · 56 Public exploit CWE-494 Jan 4, 2022
Fortinet FortiOS Arbitrary File Download
A download of code without integrity check vulnerability in the "execute restore src-vis" command of FortiOS before 7.0.3 may allow a local authenticated attacker to download arbitrary files on the device via specially crafted update packages.
CVE-2021-44207 High · 8.1 KEV High · 66 CWE-798 Dec 21, 2021
Acclaim Systems USAHERDS Use of Hard-Coded Credentials Vulnerability
Acclaim USAHERDS through 7.4.0.1 uses hard-coded credentials.
CVE-2021-22054 High · 7.5 KEV High · 69 Public exploit CWE-918 Dec 17, 2021
Omnissa Workspace ONE Server-Side Request Forgery
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 21.5.0 prior to 21.5.0.37 contain an SSRF vulnerability. This issue may allow a malicious actor with network access to UEM to send their requests without authentication and to gain access to sensitive information.
CVE-2021-1048 High · 7.8 KEV High · 51 CWE-416 Dec 15, 2021
Android Kernel Use-After-Free Vulnerability
In ep_loop_check_proc of eventpoll.c, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-204573007References: Upstream kernel
CVE-2021-0920 Medium · 6.4 KEV High · 47 CWE-362 Dec 15, 2021
Android Kernel Race Condition Vulnerability
In unix_scm_to_skb of af_unix.c, there is a possible use after free bug due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-196926917References: Upstream kernel
CVE-2021-43890 High · 7.1 KEV High · 65 Ransomware Dec 15, 2021
Microsoft Windows AppX Installer Spoofing Vulnerability
We have investigated reports of a spoofing vulnerability in AppX installer that affects Microsoft Windows. Microsoft is aware of attacks that attempt to exploit this vulnerability by using specially crafted packages that include the malware family known as Emotet/Trickbot/Bazaloader. An attacker could craft a malicious attachment to be used in phishing campaigns. The attacker would then have to convince the user to open the specially crafted attachment. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights. Please see the Security Updates table for the link to the updated app. Alternatively you can download and install the Installer using the links provided in the FAQ section. Please see the Mitigations and Workaround sections for important information about steps you can take to protect your system from this vulnerability. December 27 2023 Update: In recent months, Microsoft Threat Intelligence has seen an increase in activity from threat actors leveraging social engineering and phishing techniques to target Windows OS users and utilizing the ms-appinstaller URI scheme. To address this increase in activity, we have updated the App Installer to disable the ms-appinstaller protocol by default and recommend other potential mitigations.
CVE-2021-43226 High · 7.8 KEV Urgent · 70 Public exploit Ransomware Dec 15, 2021
Microsoft Windows Privilege Escalation Vulnerability
Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVE-2021-45046 Critical · 9.0 KEV Urgent · 90 Public exploit Ransomware CWE-917 Dec 14, 2021
Apache Log4j2 Deserialization of Untrusted Data Vulnerability
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-default Pattern Layout with either a Context Lookup (for example, $${ctx:loginId}) or a Thread Context Map pattern (%X, %mdc, or %MDC) to craft malicious input data using a JNDI Lookup pattern resulting in an information leak and remote code execution in some environments and local code execution in all environments. Log4j 2.16.0 (Java 8) and 2.12.2 (Java 7) fix this issue by removing support for message lookup patterns and disabling JNDI functionality by default.
CVE-2021-39935 High · 7.5 KEV High · 56 CWE-918 Dec 13, 2021
GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF) Vulnerability
An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.5 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Unauthorized external users could perform Server Side Requests via the CI Lint API
CVE-2021-44515 Critical · 9.8 KEV High · 67 Public exploit Dec 12, 2021
Zoho Desktop Central Authentication Bypass Vulnerability
Zoho ManageEngine Desktop Central is vulnerable to authentication bypass, leading to remote code execution on the server, as exploited in the wild in December 2021. For Enterprise builds 10.1.2127.17 and earlier, upgrade to 10.1.2127.18. For Enterprise builds 10.1.2128.0 through 10.1.2137.2, upgrade to 10.1.2137.3. For MSP builds 10.1.2127.17 and earlier, upgrade to 10.1.2127.18. For MSP builds 10.1.2128.0 through 10.1.2137.2, upgrade to 10.1.2137.3.
CVE-2021-44228 Critical · 10.0 KEV Urgent · 100 Public exploit Ransomware CWE-20 Dec 10, 2021
Apache Log4j2 Remote Code Execution Vulnerability
Apache Log4j2 2.0-beta9 through 2.15.0 (excluding security releases 2.12.2, 2.12.3, and 2.3.1) JNDI features used in configuration, log messages, and parameters do not protect against attacker controlled LDAP and other JNDI related endpoints. An attacker who can control log messages or log message parameters can execute arbitrary code loaded from LDAP servers when message lookup substitution is enabled. From log4j 2.15.0, this behavior has been disabled by default. From version 2.16.0 (along with 2.12.2, 2.12.3, and 2.3.1), this functionality has been completely removed. Note that this vulnerability is specific to log4j-core and does not affect log4net, log4cxx, or other Apache Logging Services projects.
CVE-2021-44529 Critical · 9.8 KEV Urgent · 93 Public exploit Ransomware CWE-94 Dec 8, 2021
Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA) Code Injection Vulnerability
A code injection vulnerability in the Ivanti EPM Cloud Services Appliance (CSA) allows an unauthenticated user to execute arbitrary code with limited permissions (nobody).
CVE-2021-27860 High · 8.8 KEV High · 59 CWE-434 Dec 8, 2021
FatPipe WARP, IPVPN, and MPVPN Configuration Upload exploit
A vulnerability in the web management interface of FatPipe WARP, IPVPN, and MPVPN software prior to versions 10.1.2r60p92 and 10.2.2r44p1 allows a remote, unauthenticated attacker to upload a file to any location on the filesystem. The FatPipe advisory identifier for this vulnerability is FPSA006.
CVE-2021-20038 Critical · 9.8 KEV Urgent · 83 Public exploit Ransomware CWE-121 Dec 8, 2021
SonicWall SMA 100 Appliances Stack-Based Buffer Overflow Vulnerability
A Stack-based buffer overflow vulnerability in SMA100 Apache httpd server's mod_cgi module environment variables allows a remote unauthenticated attacker to potentially execute code as a 'nobody' user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances firmware 10.2.0.8-37sv, 10.2.1.1-19sv, 10.2.1.2-24sv and earlier versions.
CVE-2021-43798 High · 7.5 KEV Urgent · 79 Public exploit CWE-22 Dec 7, 2021
Grafana Path Traversal Vulnerability
Grafana is an open-source platform for monitoring and observability. Grafana versions 8.0.0-beta1 through 8.3.0 (except for patched versions) iss vulnerable to directory traversal, allowing access to local files. The vulnerable URL path is: `<grafana_host_url>/public/plugins//`, where is the plugin ID for any installed plugin. At no time has Grafana Cloud been vulnerable. Users are advised to upgrade to patched versions 8.0.7, 8.1.8, 8.2.7, or 8.3.1. The GitHub Security Advisory contains more information about vulnerable URL paths, mitigation, and the disclosure timeline.
CVE-2021-23758 Critical · 9.8 KEV Urgent · 78 Public exploit CWE-502 Dec 3, 2021
Ajax.NET Professional Deserialization of Untrusted Data Vulnerability
All versions of package ajaxpro.2 are vulnerable to Deserialization of Untrusted Data due to the possibility of deserialization of arbitrary .NET classes, which can be abused to gain remote code execution.
CVE-2021-44077 Critical · 9.8 KEV Urgent · 83 Public exploit CWE-306 Nov 29, 2021
Zoho ManageEngine ServiceDesk Plus Remote Code Execution Vulnerability
Zoho ManageEngine ServiceDesk Plus before 11306, ServiceDesk Plus MSP before 10530, and SupportCenter Plus before 11014 are vulnerable to unauthenticated remote code execution. This is related to /RestAPI URLs in a servlet, and ImportTechnicians in the Struts configuration.
CVE-2021-38003 High · 8.8 KEV High · 62 Public exploit CWE-755 Nov 23, 2021
Google Chromium V8 Memory Corruption Vulnerability
Inappropriate implementation in V8 in Google Chrome prior to 95.0.4638.69 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
CVE-2021-38000 Medium · 6.1 KEV High · 52 CWE-601 Nov 23, 2021
Google Chromium Intents Improper Input Validation Vulnerability
Insufficient validation of untrusted input in Intents in Google Chrome on Android prior to 95.0.4638.69 allowed a remote attacker to arbitrarily browser to a malicious URL via a crafted HTML page.