CVSS: 5.5EPSS: 0%CPEs: 256EXPL: 0CVE-2021-31377 – Junos OS: A local authenticated attacker can cause RPD to core
https://notcve.org/view.php?id=CVE-2021-31377
An Incorrect Permission Assignment for Critical Resource vulnerability of a certain file in the filesystem of Junos OS allows a local authenticated attacker to cause routing process daemon (RPD) to crash and restart, causing a Denial of Service (DoS). Repeated actions by the attacker will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS: 15.1 versions prior to 15.1R7-S9; 17.3 versions prior to 17.3R3-S12; 17.4 versions prior to 17.4R2-S13, 17.4R3-S5; 18.1 versions prior to 18.1R3-S13; 18.2 versions prior to 18.2R3-S8; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R2-S8, 18.4R3-S7; 19.1 versions prior to 19.1R2-S3, 19.1R3-S5; 19.2 versions prior to 19.2R3-S2; 19.3 versions prior to 19.3R2-S6, 19.3R3-S2; 19.4 versions prior to 19.4R1-S4, 19.4R2-S4, 19.4R3-S2; 20.1 versions prior to 20.1R2-S2, 20.1R3; 20.2 versions prior to 20.2R2-S3, 20.2R3; 20.3 versions prior to 20.3R3; 20.4 versions prior to 20.4R1-S1, 20.4R2. Una vulnerabilidad de Asignación Incorrecta de Permisos para Recursos Críticos de un determinado archivo del sistema de archivos de Junos OS permite a un atacante local autenticado causar el bloqueo y el reinicio del demonio de proceso de enrutamiento (RPD), causando una Denegación de Servicio (DoS). Las acciones repetidas del atacante crearán una condición de Denegación de Servicio (DoS) sostenida. • https://kb.juniper.net/JSA11242 • CWE-732: Incorrect Permission Assignment for Critical Resource •
CVSS: 7.5EPSS: 0%CPEs: 170EXPL: 0CVE-2021-31374 – Junos OS and Junos OS Evolved: RPD crash while processing a specially crafted BGP UPDATE or KEEPALIVE message.
https://notcve.org/view.php?id=CVE-2021-31374
On Juniper Networks Junos OS and Junos OS Evolved devices processing a specially crafted BGP UPDATE or KEEPALIVE message can lead to a routing process daemon (RPD) crash and restart, causing a Denial of Service (DoS). Continued receipt and processing of this message will create a sustained Denial of Service (DoS) condition. This issue affects both IBGP and EBGP deployments over IPv4 or IPv6. This issue affects: Juniper Networks Junos OS: 17.3 versions prior to 17.3R3-S11; 17.4 versions prior to 17.4R2-S13, 17.4R3-S4; 18.1 versions prior to 18.1R3-S12; 18.2 versions prior to 18.2R2-S8, 18.2R3-S7; 18.3 versions prior to 18.3R3-S4; 18.4 versions prior to 18.4R1-S8, 18.4R2-S7, 18.4R3-S7; 19.1 versions prior to 19.1R1-S6, 19.1R2-S2, 19.1R3-S4; 19.2 versions prior to 19.2R1-S6, 19.2R3-S1; 19.3 versions prior to 19.3R2-S5, 19.3R3-S1; 19.4 versions prior to 19.4R1-S4, 19.4R1-S4, 19.4R2-S3, 19.4R3-S1; 20.1 versions prior to 20.1R2; 20.2 versions prior to 20.2R2; 20.3 versions prior to 20.3R1-S1, 20.3R2. Juniper Networks Junos OS Evolved: 20.3 versions prior to 20.3R2-EVO. • https://kb.juniper.net/JSA11239 • CWE-787: Out-of-bounds Write •
CVSS: 8.0EPSS: 0%CPEs: 166EXPL: 0CVE-2021-31373 – Junos OS: SRX Series: Persistent XSS vulnerability in J-Web
https://notcve.org/view.php?id=CVE-2021-31373
A persistent Cross-Site Scripting (XSS) vulnerability in Juniper Networks Junos OS on SRX Series, J-Web interface may allow a remote authenticated user to inject persistent and malicious scripts. An attacker can exploit this vulnerability to steal sensitive data and credentials from a web administration session, or hijack another user's active session to perform administrative actions. This issue affects: Juniper Networks Junos OS on SRX Series: 18.2 versions prior to 18.2R3-S8; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R3-S8; 19.1 versions prior to 19.1R3-S5; 19.2 versions prior to 19.2R1-S7, 19.2R3-S3; 19.3 versions prior to 19.3R2-S6, 19.3R3-S3; 19.4 versions prior to 19.4R1-S4, 19.4R2-S4, 19.4R3-S3; 20.1 versions prior to 20.1R2-S2, 20.1R3; 20.2 versions prior to 20.2R3-S1; 20.3 versions prior to 20.3R2-S1, 20.3R3. Una vulnerabilidad de tipo Cross-Site Scripting (XSS) persistente en Juniper Networks Junos OS en la serie SRX, la interfaz J-Web puede permitir que un usuario remoto autenticado inyecte scripts persistentes y maliciosos. Un atacante puede aprovechar esta vulnerabilidad para robar datos confidenciales y credenciales de una sesión de administración web, o secuestrar la sesión activa de otro usuario para llevar a cabo acciones administrativas. • https://kb.juniper.net/JSA11238 • CWE-20: Improper Input Validation CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •
CVSS: 9.0EPSS: 0%CPEs: 132EXPL: 0CVE-2021-31372 – Junos OS: J-Web allows a locally authenticated attacker to escalate their privileges to root.
https://notcve.org/view.php?id=CVE-2021-31372
An Improper Input Validation vulnerability in J-Web of Juniper Networks Junos OS allows a locally authenticated J-Web attacker to escalate their privileges to root over the target device. This issue affects: Juniper Networks Junos OS All versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R3-S9; 19.1 versions prior to 19.1R3-S6; 19.2 versions prior to 19.2R3-S3; 19.3 versions prior to 19.3R3-S3; 19.4 versions prior to 19.4R3-S5; 20.1 versions prior to 20.1R3-S1; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2, 21.1R3; 21.2 versions prior to 21.2R1-S1, 21.2R2; Una vulnerabilidad de comprobación de entrada inapropiada en J-Web de Juniper Networks Junos OS permite a un atacante de J-Web autenticado localmente escalar sus privilegios a root sobre el dispositivo de destino. Este problema afecta a: Juniper Networks Junos OS Todas las versiones anteriores a 18.3R3-S5; versiones 18.4 anteriores a 18.4R3-S9; versiones 19.1 anteriores a 19.1R3-S6; versiones 19.2 anteriores a 19.2R3-S3; versiones 19.3 anteriores a 19.3R3-S3; versiones 19.4 anteriores a 19. 4R3-S5; versiones 20.1 anteriores a 20.1R3-S1; versiones 20.2 anteriores a 20.2R3-S2; versiones 20.3 anteriores a 20.3R3-S1; versiones 20.4 anteriores a 20.4R3; versiones 21.1 anteriores a 21.1R2, 21.1R3; 21.2 versiones anteriores a 21.2R1-S1, 21.2R2 • https://kb.juniper.net/JSA11237 • CWE-20: Improper Input Validation •
CVSS: 5.3EPSS: 0%CPEs: 150EXPL: 0CVE-2021-31371 – Junos OS: QFX5000 Series: Traffic from the network internal to the device (128.0.0.0) may be forwarded to egress interfaces.
https://notcve.org/view.php?id=CVE-2021-31371
Juniper Networks Junos OS uses the 128.0.0.0/2 subnet for internal communications between the RE and PFEs. It was discovered that packets utilizing these IP addresses may egress an QFX5000 Series switch, leaking configuration information such as heartbeats, kernel versions, etc. out to the Internet, leading to an information exposure vulnerability. This issue affects Juniper Networks Junos OS on QFX5110, QFX5120, QFX5200, QFX5210 Series, and QFX5100 with QFX 5e Series image installed: All versions prior to 17.3R3-S12; 18.1 versions prior to 18.1R3-S13; 18.3 versions prior to 18.3R3-S5; 19.1 versions prior to 19.1R3-S6; 19.2 versions prior to 19.2R1-S7, 19.2R3-S3; 19.3 versions prior to 19.3R2-S6, 19.3R3-S3; 19.4 versions prior to 19.4R1-S4, 19.4R3-S5; 20.1 versions prior to 20.1R2-S2, 20.1R3-S1; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R2-S1, 20.4R3; 21.1 versions prior to 21.1R1-S1, 21.1R2; El sistema operativo Junos de Juniper Networks utiliza la subred 128.0.0.0/2 para las comunicaciones internas entre el RE y los PFE. Se ha descubierto que los paquetes que utilizan estas direcciones IP pueden salir de un conmutador de la serie QFX5000, filtrando información de configuración como los latidos del corazón, las versiones del kernel, etc. a Internet, lo que lleva a una vulnerabilidad de exposición de información. Este problema afecta al sistema operativo Junos de Juniper Networks en las series QFX5110, QFX5120, QFX5200, QFX5210 y QFX5100 con la imagen de la serie QFX 5e instalada: Todas las versiones anteriores a 17.3R3-S12; 18.1 versiones anteriores a 18.1R3-S13; 18.3 versiones anteriores a 18.3R3-S5; 19.1 versiones anteriores a 19.1R3-S6; 19.2 versiones anteriores a 19.2R1-S7, 19.2R3-S3; 19.3 versiones anteriores a 19.3R2-S6, 19.3R3-S3; 19. 4 versiones anteriores a 19.4R1-S4, 19.4R3-S5; 20.1 versiones anteriores a 20.1R2-S2, 20.1R3-S1; 20.2 versiones anteriores a 20.2R3-S2; 20.3 versiones anteriores a 20.3R3-S1; 20.4 versiones anteriores a 20.4R2-S1, 20.4R3; 21.1 versiones anteriores a 21.1R1-S1, 21.1R2; • https://kb.juniper.net/JSA11236 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •