CVSS: 7.4EPSS: 0%CPEs: 38EXPL: 0CVE-2024-20313
https://notcve.org/view.php?id=CVE-2024-20313
A vulnerability in the OSPF version 2 (OSPFv2) feature of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to improper validation of OSPF updates that are processed by a device. An attacker could exploit this vulnerability by sending a malformed OSPF update to the device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. Una vulnerabilidad en la característica OSPF versión 2 (OSPFv2) del software Cisco IOS XE podría permitir que un atacante adyacente no autenticado provoque que un dispositivo afectado se recargue inesperadamente, lo que resultaría en una condición de denegación de servicio (DoS). • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-ospf-dos-dR9Sfrxp • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •
CVSS: 7.2EPSS: 3%CPEs: 127EXPL: 2CVE-2023-20273 – Cisco IOS XE Web UI Command Injection Vulnerability
https://notcve.org/view.php?id=CVE-2023-20273
A vulnerability in the web UI feature of Cisco IOS XE Software could allow an authenticated, remote attacker to inject commands with the privileges of root. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted input to the web UI. A successful exploit could allow the attacker to inject commands to the underlying operating system with root privileges. Una vulnerabilidad en la función de interfaz de usuario web del software Cisco IOS XE podría permitir que un atacante remoto autenticado inyecte comandos con privilegios de root. • https://github.com/smokeintheshell/CVE-2023-20273 https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-webui-privesc-j22SaA4z https://blog.talosintelligence.com/active-exploitation-of-cisco-ios-xe-software https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-webui-privesc-j22SaA4z/cvrf/cisco-sa-iosxe-webui-privesc-j22SaA4z_cvrf.xml https://www.horizon3.ai/cisco-ios-xe-cve-2023-20198-theory-crafting https://www.horizon3.ai/cisco-ios-xe- • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') •
CVSS: 10.0EPSS: 86%CPEs: 4EXPL: 22CVE-2023-20198 – Cisco IOS XE Web UI Privilege Escalation Vulnerability
https://notcve.org/view.php?id=CVE-2023-20198
Cisco is providing an update for the ongoing investigation into observed exploitation of the web UI feature in Cisco IOS XE Software. We are updating the list of fixed releases and adding the Software Checker. Our investigation has determined that the actors exploited two previously unknown issues. The attacker first exploited CVE-2023-20198 to gain initial access and issued a privilege 15 command to create a local user and password combination. This allowed the user to log in with normal user access. • https://github.com/smokeintheshell/CVE-2023-20198 https://github.com/RevoltSecurities/CVE-2023-20198 https://github.com/Atea-Redteam/CVE-2023-20198 https://github.com/ZephrFish/CVE-2023-20198-Checker https://github.com/W01fh4cker/CVE-2023-20198-RCE https://github.com/Tounsi007/CVE-2023-20198 https://github.com/Shadow0ps/CVE-2023-20198-Scanner https://github.com/Pushkarup/CVE-2023-20198 https://github.com/sohaibeb/CVE-2023-20198 https://github.com/securityphoenix/cisco-CVE-2023-20 • CWE-420: Unprotected Alternate Channel •
CVSS: 7.5EPSS: 81%CPEs: 444EXPL: 7CVE-2023-44487 – HTTP/2 Rapid Reset Attack Vulnerability
https://notcve.org/view.php?id=CVE-2023-44487
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023. El protocolo HTTP/2 permite una denegación de servicio (consumo de recursos del servidor) porque la cancelación de solicitudes puede restablecer muchas transmisiones rápidamente, como se explotó en la naturaleza entre agosto y octubre de 2023. A flaw was found in handling multiplexed streams in the HTTP/2 protocol. A client can repeatedly make a request for a new multiplex stream and immediately send an RST_STREAM frame to cancel it. This creates extra work for the server setting up and tearing down the streams while not hitting any server-side limit for the maximum number of active streams per connection, resulting in a denial of service due to server resource consumption. • https://github.com/imabee101/CVE-2023-44487 https://github.com/studiogangster/CVE-2023-44487 https://github.com/bcdannyboy/CVE-2023-44487 https://github.com/sigridou/CVE-2023-44487- https://github.com/ByteHackr/CVE-2023-44487 https://github.com/ReToCode/golang-CVE-2023-44487 http://www.openwall.com/lists/oss-security/2023/10/13/4 http://www.openwall.com/lists/oss-security/2023/10/13/9 http://www.openwall.com/lists/oss-security/2023/10/18/4 http://www. • CWE-400: Uncontrolled Resource Consumption •
CVSS: 6.5EPSS: 0%CPEs: 35EXPL: 0CVE-2023-20202
https://notcve.org/view.php?id=CVE-2023-20202
A vulnerability in the Wireless Network Control daemon (wncd) of Cisco IOS XE Software for Wireless LAN Controllers could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper memory management. An attacker could exploit this vulnerability by sending a series of network requests to an affected device. A successful exploit could allow the attacker to cause the wncd process to consume available memory and eventually cause the device to reload, resulting in a DoS condition. Una vulnerabilidad en el Wireless Network Control daemon (wncd) del software Cisco IOS XE para controladores de LAN inalámbrica podría permitir que un atacante adyacente no autenticado provoque una condición de denegación de servicio (DoS). Esta vulnerabilidad se debe a una gestión inadecuada de la memoria. • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wlc-wncd-HFGMsfSD • CWE-789: Memory Allocation with Excessive Size Value •