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Vulnerabilidades exploradas (CISA KEV)

CVEs com exploração confirmada pela CISA (Known Exploited Vulnerabilities), com ação exigida e prazos.

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CVE-2021-44207 Alta · 8.1 KEV Alta · 66 CWE-798 21/12/2021
Acclaim Systems USAHERDS Use of Hard-Coded Credentials Vulnerability
Acclaim USAHERDS through 7.4.0.1 uses hard-coded credentials.
CVE-2021-22054 Alta · 7.5 KEV Alta · 69 Exploit público CWE-918 17/12/2021
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 Alta · 7.8 KEV Alta · 51 CWE-416 15/12/2021
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 Média · 6.4 KEV Alta · 47 CWE-362 15/12/2021
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 Alta · 7.1 KEV Alta · 65 Ransomware 15/12/2021
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 Alta · 7.8 KEV Urgente · 70 Exploit público Ransomware 15/12/2021
Microsoft Windows Privilege Escalation Vulnerability
Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVE-2021-45046 Crítica · 9.0 KEV Urgente · 90 Exploit público Ransomware CWE-917 14/12/2021
Vulnerabilidade de desserialização de dados não confiáveis no Apache Log4j2
Constatou-se que a correção para tratar o CVE-2021-44228 no Apache Log4j 2.15.0 estava incompleta em certas configurações não padrão. Isso poderia permitir que atacantes com controle sobre dados de entrada do Thread Context Map (MDC) — quando a configuração de logging usa um Pattern Layout não padrão com um Context Lookup (por exemplo, $${ctx:loginId}) ou um padrão de Thread Context Map (%X, %mdc ou %MDC) — criem dados de entrada maliciosos usando um padrão de JNDI Lookup, resultando em vazamento de informações e execução remota de código em alguns ambientes e execução local de código em todos os ambientes. O Log4j 2.16.0 (Java 8) e o 2.12.2 (Java 7) corrigem esse problema removendo o suporte a padrões de message lookup e desabilitando a funcionalidade JNDI por padrão.
CVE-2021-39935 Alta · 7.5 KEV Alta · 56 CWE-918 13/12/2021
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 Crítica · 9.8 KEV Alta · 67 Exploit público 12/12/2021
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 Crítica · 10.0 KEV Urgente · 100 Exploit público Ransomware CWE-20 10/12/2021
Execução remota de código no Apache Log4j2 via consultas JNDI
Apache Log4j2 2.0-beta9 até 2.15.0 (excluindo as versões de segurança 2.12.2, 2.12.3 e 2.3.1): os recursos JNDI usados em configuração, mensagens de log e parâmetros não protegem contra endpoints LDAP e outros endpoints relacionados a JNDI controlados por um atacante. Um atacante que consiga controlar mensagens de log ou parâmetros de mensagens de log pode executar código arbitrário carregado de servidores LDAP quando a substituição por consultas de mensagem está habilitada. A partir do log4j 2.15.0, esse comportamento foi desabilitado por padrão. A partir da versão 2.16.0 (junto com 2.12.2, 2.12.3 e 2.3.1), essa funcionalidade foi completamente removida. Observe que esta vulnerabilidade é específica do log4j-core e não afeta log4net, log4cxx ou outros projetos do Apache Logging Services.
CVE-2021-44529 Crítica · 9.8 KEV Urgente · 93 Exploit público Ransomware CWE-94 08/12/2021
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 Alta · 8.8 KEV Alta · 59 CWE-434 08/12/2021
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 Crítica · 9.8 KEV Urgente · 83 Exploit público Ransomware CWE-121 08/12/2021
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 Alta · 7.5 KEV Urgente · 79 Exploit público CWE-22 07/12/2021
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 Crítica · 9.8 KEV Urgente · 78 Exploit público CWE-502 03/12/2021
Ajax.NET Professional: desserialização de dados não confiáveis (CVE-2021-23758)
Todas as versões do pacote ajaxpro.2 são vulneráveis a Desserialização de Dados Não Confiáveis devido à possibilidade de desserialização de classes .NET arbitrárias, que pode ser abusada para obter execução remota de código.