Juniper Junos Os vulnerabilities
930 known vulnerabilities affecting juniper/junos_os.
Total CVEs
930
CISA KEV
7
actively exploited
Public exploits
9
Exploited in wild
6
Severity breakdown
CRITICAL39HIGH408MEDIUM478LOW5
Vulnerabilities
Page 28 of 47
CVE-2021-0216MEDIUMCVSS 6.52021-04-22
CVE-2021-0216 [MEDIUM] CVE-2021-0216: A vulnerability in Juniper Networks Junos OS running on the ACX5448 and ACX710 platforms may cause BFD sessions to flap when a high rate of transit AR
CVE-2021-0216: A vulnerability in Juniper Networks Junos OS running on the ACX5448 and ACX710 platforms may cause BFD sessions to flap when a high rate of transit ARP packets are received. This, in turn, may impact routing protocols and network stability, leading to a Denial of Service (DoS) condition. When a
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CVE-2021-0234MEDIUMCVSS 5.82021-04-22
CVE-2021-0234 [MEDIUM] CWE-665 CVE-2021-0234: Due to an improper Initialization vulnerability on Juniper Networks Junos OS QFX5100-96S devices with QFX 5e Series image installed, ddos-protection c
CVE-2021-0234: Due to an improper Initialization vulnerability on Juniper Networks Junos OS QFX5100-96S devices with QFX 5e Series image installed, ddos-protection configuration changes will not take effect beyond the default DDoS (Distributed Denial of Service) settings when configured from the CLI. T
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CVE-2021-0237MEDIUMCVSS 6.52021-04-22
CVE-2021-0237 [MEDIUM] CVE-2021-0237: On Juniper Networks EX4300-MP Series, EX4600 Series, EX4650 Series, QFX5K Series deployed as a Virtual Chassis with a specific Layer 2 circuit configu
CVE-2021-0237: On Juniper Networks EX4300-MP Series, EX4600 Series, EX4650 Series, QFX5K Series deployed as a Virtual Chassis with a specific Layer 2 circuit configuration, Packet Forwarding Engine manager (FXPC) process may crash and restart upon receipt of specific layer 2 frames. Continued receipt and proce
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CVE-2021-0239MEDIUMCVSS 6.52021-04-22
CVE-2021-0239 [MEDIUM] CWE-754 CVE-2021-0239: In Juniper Networks Junos OS Evolved, receipt of a stream of specific genuine Layer 2 frames may cause the Advanced Forwarding Toolkit (AFT) manager p
CVE-2021-0239: In Juniper Networks Junos OS Evolved, receipt of a stream of specific genuine Layer 2 frames may cause the Advanced Forwarding Toolkit (AFT) manager process (Evo-aftmand), responsible for handling Route, Class-of-Service (CoS), Firewall operations within the packet forwarding engine (PFE
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CVE-2021-0243MEDIUMCVSS 4.72021-04-22
CVE-2021-0243 [MEDIUM] CWE-241 CVE-2021-0243: Improper Handling of Unexpected Data in the firewall policer of Juniper Networks Junos OS on EX4300 switches allows matching traffic to exceed set pol
CVE-2021-0243: Improper Handling of Unexpected Data in the firewall policer of Juniper Networks Junos OS on EX4300 switches allows matching traffic to exceed set policer limits, possibly leading to a limited Denial of Service (DoS) condition. When the firewall policer discard action fails on a Layer 2
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CVE-2021-0225MEDIUMCVSS 5.82021-04-22
CVE-2021-0225 [MEDIUM] CWE-754 CVE-2021-0225: An Improper Check for Unusual or Exceptional Conditions in Juniper Networks Junos OS Evolved may cause the stateless firewall filter configuration whi
CVE-2021-0225: An Improper Check for Unusual or Exceptional Conditions in Juniper Networks Junos OS Evolved may cause the stateless firewall filter configuration which uses the action 'policer' in certain combinations with other options to not take effect. An administrator can use the following CLI com
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CVE-2021-0273MEDIUMCVSS 5.32021-04-22
CVE-2021-0273 [MEDIUM] CWE-670 CVE-2021-0273: An always-incorrect control flow implementation in the implicit filter terms of Juniper Networks Junos OS and Junos OS Evolved on ACX5800, EX9200 Seri
CVE-2021-0273: An always-incorrect control flow implementation in the implicit filter terms of Juniper Networks Junos OS and Junos OS Evolved on ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960 devices with affected Trio line cards allows an attacker to exploit an interdependency in the PFE
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CVE-2021-0255MEDIUMCVSS 5.52021-04-22
CVE-2021-0255 [MEDIUM] CWE-250 CVE-2021-0255: A local privilege escalation vulnerability in ethtraceroute of Juniper Networks Junos OS may allow a locally authenticated user with shell access to e
CVE-2021-0255: A local privilege escalation vulnerability in ethtraceroute of Juniper Networks Junos OS may allow a locally authenticated user with shell access to escalate privileges and write to the local filesystem as root. ethtraceroute is shipped with setuid permissions enabled and is owned by the
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CVE-2021-0231MEDIUMCVSS 6.52021-04-22
CVE-2021-0231 [MEDIUM] CWE-22 CVE-2021-0231: A path traversal vulnerability in the Juniper Networks SRX and vSRX Series may allow an authenticated J-web user to read sensitive system files. This
CVE-2021-0231: A path traversal vulnerability in the Juniper Networks SRX and vSRX Series may allow an authenticated J-web user to read sensitive system files. This issue affects Juniper Networks Junos OS on SRX and vSRX Series: 19.3 versions prior to 19.3R2-S6, 19.3R3-S1; 19.4 versions prior to 19.4R2-S
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CVE-2021-0256MEDIUMCVSS 5.52021-04-22
CVE-2021-0256 [MEDIUM] CWE-250 CVE-2021-0256: A sensitive information disclosure vulnerability in the mosquitto message broker of Juniper Networks Junos OS may allow a locally authenticated user w
CVE-2021-0256: A sensitive information disclosure vulnerability in the mosquitto message broker of Juniper Networks Junos OS may allow a locally authenticated user with shell access the ability to read portions of sensitive files, such as the master.passwd file. Since mosquitto is shipped with setuid p
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CVE-2021-0271MEDIUMCVSS 6.52021-04-22
CVE-2021-0271 [MEDIUM] CWE-415 CVE-2021-0271: A Double Free vulnerability in the software forwarding interface daemon (sfid) process of Juniper Networks Junos OS allows an adjacently-connected att
CVE-2021-0271: A Double Free vulnerability in the software forwarding interface daemon (sfid) process of Juniper Networks Junos OS allows an adjacently-connected attacker to cause a Denial of Service (DoS) by sending a crafted ARP packet to the device. Continued receipt and processing of the crafted AR
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CVE-2021-0242MEDIUMCVSS 6.52021-04-22
CVE-2021-0242 [MEDIUM] CWE-119 CVE-2021-0242: A vulnerability due to the improper handling of direct memory access (DMA) buffers on EX4300 switches on Juniper Networks Junos OS allows an attacker
CVE-2021-0242: A vulnerability due to the improper handling of direct memory access (DMA) buffers on EX4300 switches on Juniper Networks Junos OS allows an attacker sending specific unicast frames to trigger a Denial of Service (DoS) condition by exhausting DMA buffers, causing the FPC to crash and the
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CVE-2021-0238MEDIUMCVSS 5.52021-04-22
CVE-2021-0238 [MEDIUM] CWE-400 CVE-2021-0238: When a MX Series is configured as a Broadband Network Gateway (BNG) based on Layer 2 Tunneling Protocol (L2TP), executing certain CLI command may caus
CVE-2021-0238: When a MX Series is configured as a Broadband Network Gateway (BNG) based on Layer 2 Tunneling Protocol (L2TP), executing certain CLI command may cause the system to run out of disk space, excessive disk usage may cause other complications. An administrator can use the following CLI comm
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CVE-2021-0272MEDIUMCVSS 6.52021-04-22
CVE-2021-0272 [MEDIUM] CWE-401 CVE-2021-0272: A kernel memory leak in QFX10002-32Q, QFX10002-60C, QFX10002-72Q, QFX10008, QFX10016 devices Flexible PIC Concentrators (FPCs) on Juniper Networks Jun
CVE-2021-0272: A kernel memory leak in QFX10002-32Q, QFX10002-60C, QFX10002-72Q, QFX10008, QFX10016 devices Flexible PIC Concentrators (FPCs) on Juniper Networks Junos OS allows an attacker to send genuine packets destined to the device to cause a Denial of Service (DoS) to the device. On QFX10002-32Q,
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CVE-2021-0236MEDIUMCVSS 6.52021-04-22
CVE-2021-0236 [MEDIUM] CWE-754 CVE-2021-0236: Due to an improper check for unusual or exceptional conditions in Juniper Networks Junos OS and Junos OS Evolved the Routing Protocol Daemon (RPD) ser
CVE-2021-0236: Due to an improper check for unusual or exceptional conditions in Juniper Networks Junos OS and Junos OS Evolved the Routing Protocol Daemon (RPD) service, upon receipt of a specific matching BGP packet meeting a specific term in the flowspec configuration, crashes and restarts causing a
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CVE-2021-0228MEDIUMCVSS 6.52021-04-22
CVE-2021-0228 [MEDIUM] CWE-754 CVE-2021-0228: An improper check for unusual or exceptional conditions vulnerability in Juniper Networks MX Series platforms with Trio-based MPC (Modular Port Concen
CVE-2021-0228: An improper check for unusual or exceptional conditions vulnerability in Juniper Networks MX Series platforms with Trio-based MPC (Modular Port Concentrator) deployed in (Ethernet VPN) EVPN-(Virtual Extensible LAN) VXLAN configuration, may allow an attacker sending specific Layer 2 traff
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CVE-2021-0258MEDIUMCVSS 5.92021-04-22
CVE-2021-0258 [MEDIUM] CWE-362 CVE-2021-0258: A vulnerability in the forwarding of transit TCPv6 packets received on the Ethernet management interface of Juniper Networks Junos OS allows an attack
CVE-2021-0258: A vulnerability in the forwarding of transit TCPv6 packets received on the Ethernet management interface of Juniper Networks Junos OS allows an attacker to trigger a kernel panic, leading to a Denial of Service (DoS). Continued receipt and processing of these transit packets will create
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CVE-2021-0257MEDIUMCVSS 6.52021-04-22
CVE-2021-0257 [MEDIUM] CWE-400 CVE-2021-0257: On Juniper Networks MX Series and EX9200 Series platforms with Trio-based MPCs (Modular Port Concentrators) where Integrated Routing and Bridging (IRB
CVE-2021-0257: On Juniper Networks MX Series and EX9200 Series platforms with Trio-based MPCs (Modular Port Concentrators) where Integrated Routing and Bridging (IRB) interfaces are configured and mapped to a VPLS instance or a Bridge-Domain, certain Layer 2 network events at Customer Edge (CE) devices
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CVE-2021-0229MEDIUMCVSS 5.32021-04-22
CVE-2021-0229 [MEDIUM] CWE-400 CVE-2021-0229: An uncontrolled resource consumption vulnerability in Message Queue Telemetry Transport (MQTT) server of Juniper Networks Junos OS allows an attacker
CVE-2021-0229: An uncontrolled resource consumption vulnerability in Message Queue Telemetry Transport (MQTT) server of Juniper Networks Junos OS allows an attacker to cause MQTT server to crash and restart leading to a Denial of Service (DoS) by sending a stream of specific packets. A Juniper Extension
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CVE-2021-0214MEDIUMCVSS 6.52021-04-22
CVE-2021-0214 [MEDIUM] CWE-20 CVE-2021-0214: A vulnerability in the distributed or centralized periodic packet management daemon (PPMD) of Juniper Networks Junos OS may cause receipt of a malform
CVE-2021-0214: A vulnerability in the distributed or centralized periodic packet management daemon (PPMD) of Juniper Networks Junos OS may cause receipt of a malformed packet to crash and restart the PPMD process, leading to network destabilization, service interruption, and a Denial of Service (DoS) co
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