Juniper Networks Junos Os vulnerabilities
670 known vulnerabilities affecting juniper_networks/junos_os.
Total CVEs
670
CISA KEV
7
actively exploited
Public exploits
6
Exploited in wild
9
Severity breakdown
CRITICAL34HIGH298MEDIUM338
Vulnerabilities
Page 20 of 34
CVE-2019-0003P4MEDIUMCVSS 5.9≥ 12.1X46, < 12.1X46-D77≥ 12.3X48, < 12.3X48-D70+6 more2019-01-15
CVE-2019-0003 [MEDIUM] CWE-617 CVE-2019-0003: When a specific BGP flowspec configuration is enabled and upon receipt of a specific matching BGP pa
When a specific BGP flowspec configuration is enabled and upon receipt of a specific matching BGP packet meeting a specific term in the flowspec configuration, a reachable assertion failure occurs, causing the routing protocol daemon (rpd) process to crash with a core file being generated. Affected releases are Juniper Networks Junos OS: 12.1X46 versi
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CVE-2020-1688P4MEDIUMCVSS 6.5≥ 12.3X48, < 12.3X48-D105≥ 15.1X49, < 15.1X49-D190+10 more2020-10-16
CVE-2020-1688 [MEDIUM] CWE-320 CVE-2020-1688: On Juniper Networks SRX Series and NFX Series, a local authenticated user with access to the shell m
On Juniper Networks SRX Series and NFX Series, a local authenticated user with access to the shell may obtain the Web API service private key that is used to provide encrypted communication between the Juniper device and the authenticator services. Exploitation of this vulnerability may allow an attacker to decrypt the communications between the Junip
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CVE-2026-21910P4MEDIUMCVSS 6.5fixed in 21.4R3-S12≥ 22.2, < 22.2*+5 more2026-01-15
CVE-2026-21910 [MEDIUM] CWE-754 CVE-2026-21910: An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engin
An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS on EX4k Series and QFX5k Series platforms allows an unauthenticated network-adjacent attacker flapping an interface to cause traffic between VXLAN Network Identifiers (VNIs) to drop, leading to a Denial of Service
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CVE-2016-1261P4HIGHCVSS 8.8v12.1X44 prior to 12.1X44-D55v12.1X46 prior to 12.1X46-D45+10 more2017-10-13
CVE-2016-1261 [HIGH] CWE-352 CVE-2016-1261: J-Web does not validate certain input that may lead to cross-site request forgery (CSRF) issues or c
J-Web does not validate certain input that may lead to cross-site request forgery (CSRF) issues or cause a denial of J-Web service (DoS).
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CVE-2020-1669P4MEDIUMCVSS 6.3≥ 19.4, < 19.4R3≥ 20.1, < 20.1R1-S4, 20.1R22020-10-16
CVE-2020-1669 [MEDIUM] CWE-256 CVE-2020-1669: The Juniper Device Manager (JDM) container, used by the disaggregated Junos OS architecture on Junip
The Juniper Device Manager (JDM) container, used by the disaggregated Junos OS architecture on Juniper Networks NFX350 Series devices, stores password hashes in the world-readable file /etc/passwd. This is not a security best current practice as it can allow an attacker with access to the local filesystem the ability to brute-force decrypt password ha
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CVE-2024-47491P4MEDIUMCVSS 5.9fixed in 21.4R3-S8≥ 22.2, < 22.2R3-S4+3 more2024-10-11
CVE-2024-47491 [MEDIUM] CWE-755 CVE-2024-47491: An Improper Handling of Exceptional Conditions vulnerability in the Routing Protocol Daemon (rpd) of
An Improper Handling of Exceptional Conditions vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a network-based, unauthenticated attacker to cause Denial of Service (DoS).
When a BGP UPDATE with malformed path attribute is received over an established BGP session, rpd crashes and restarts.
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CVE-2024-21601P4MEDIUMCVSS 5.9≥ 21.2, < 21.2R3-S5≥ 21.3, < 21.3R3-S5+5 more2024-01-12
CVE-2024-21601 [MEDIUM] CWE-362 CVE-2024-21601: A Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulne
A Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in the Flow-processing Daemon (flowd) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (Dos).
On SRX Series devices when two different threads try to simultaneously proce
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CVE-2024-47506P4MEDIUMCVSS 5.9fixed in 21.3R3-S1≥ 21.4, < 21.4R3+2 more2024-10-11
CVE-2024-47506 [MEDIUM] CWE-833 CVE-2024-47506: A Deadlock vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS on SRX S
A Deadlock vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).
When a large amount of traffic is processed by ATP Cloud inspection, a deadlock can occur which will result in a PFE crash and restart. Whether the crash occu
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CVE-2024-39561P4MEDIUMCVSS 5.8fixed in 21.2R3-S8≥ 21.4, < 21.4R3-S7+6 more2024-07-10
CVE-2024-39561 [MEDIUM] CWE-754 CVE-2024-39561: An Improper Check for Unusual or Exceptional Conditions vulnerability in the flow daemon (flowd) of
An Improper Check for Unusual or Exceptional Conditions vulnerability in the flow daemon (flowd) of Juniper Networks Junos OS on
SRX4600 and SRX5000 Series
allows an attacker to send TCP packets with
SYN/FIN or SYN/RST
flags, bypassing the expected blocking of these packets.
A TCP packet with SYN/FIN or SYN/RST should be dropped in flowd. Howeve
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CVE-2024-39533P4MEDIUMCVSS 5.8fixed in 21.2R3-S7≥ 21.4, < 21.4R3-S6+5 more2024-07-11
CVE-2024-39533 [MEDIUM] CWE-447 CVE-2024-39533: An Unimplemented or Unsupported Feature in the UI vulnerability in Juniper Networks Junos OS on QFX5
An Unimplemented or Unsupported Feature in the UI vulnerability in Juniper Networks Junos OS on QFX5000 Series and EX4600 Series allows an unauthenticated, network-based attacker to cause a minor integrity impact to downstream networks.If one or more of the following match conditions
ip-source-address
ip-destination-address
arp-type
which are not
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CVE-2025-60010P4MEDIUMCVSS 5.4fixed in 22.4R3-S8≥ 23.2, < 23.2R2-S4+3 more2025-10-09
CVE-2025-60010 [MEDIUM] CWE-262 CVE-2025-60010: A password aging vulnerability in the RADIUS client of Juniper Networks Junos OS and Junos OS Evolve
A password aging vulnerability in the RADIUS client of Juniper Networks Junos OS and Junos OS Evolved allows an authenticated, network-based attacker to access the device without enforcing the required password change.
Affected devices allow logins by users for whom the RADIUS server has responded with a reject and required the user to change the p
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CVE-2026-33774P4MEDIUMCVSS 5.3fixed in 23.2R2-S6≥ 23.4, < 23.4R2-S7+2 more2026-04-09
CVE-2026-33774 [MEDIUM] CWE-754 CVE-2026-33774: An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engin
An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine (pfe) of Juniper Networks Junos OS on MX Series allows an unauthenticated, network-based attacker to bypass the configured firewall filter and access the control-plane of the device.
On MX platforms with
MPC10, MPC11, LC4800 or LC9600
line cards,
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CVE-2021-31360P4HIGHCVSS 7.1≥ 15.1, < 15.1R7-S10≥ 17.4, < 17.4R3-S5+11 more2021-10-19
CVE-2021-31360 [HIGH] CWE-20 CVE-2021-31360: An improper privilege management vulnerability in the Juniper Networks Junos OS and Junos OS Evolved
An improper privilege management vulnerability in the Juniper Networks Junos OS and Junos OS Evolved command-line interpreter (CLI) allows a low-privileged user to overwrite local files as root, possibly leading to a system integrity issue or Denial of Service (DoS). Depending on the files overwritten, exploitation of this vulnerability could lead to a
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CVE-2018-0053P4MEDIUMCVSS 6.8≥ 15.1X49, < 15.1X49-D302018-10-10
CVE-2018-0053 [MEDIUM] CWE-287 CVE-2018-0053: An authentication bypass vulnerability in the initial boot sequence of Juniper Networks Junos OS on
An authentication bypass vulnerability in the initial boot sequence of Juniper Networks Junos OS on vSRX Series may allow an attacker to gain full control of the system without authentication when the system is initially booted up. Affected releases are Juniper Networks Junos OS: 15.1X49 versions prior to 15.1X49-D30 on vSRX.
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CVE-2018-0027P4MEDIUMCVSS 5.9≥ 16.1, < 16.1R32018-07-11
CVE-2018-0027 [MEDIUM] CWE-20 CVE-2018-0027: Receipt of a crafted or malformed RSVP PATH message may cause the routing protocol daemon (RPD) to h
Receipt of a crafted or malformed RSVP PATH message may cause the routing protocol daemon (RPD) to hang or crash. When RPD is unavailable, routing updates cannot be processed which can lead to an extended network outage. If RSVP is not enabled on an interface, then the issue cannot be triggered via that interface. This issue only affects Juniper Networ
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CVE-2018-0050P4MEDIUMCVSS 5.9≥ 14.1, < 14.1R8-S5, 14.1R9≥ 14.2, < 14.2R4+2 more2018-10-10
CVE-2018-0050 [MEDIUM] CWE-20 CVE-2018-0050: An error handling vulnerability in Routing Protocols Daemon (RPD) of Juniper Networks Junos OS allow
An error handling vulnerability in Routing Protocols Daemon (RPD) of Juniper Networks Junos OS allows an attacker to cause RPD to crash. Continued receipt of this malformed MPLS RSVP packet will cause a sustained Denial of Service condition. Affected releases are Juniper Networks Junos OS: 14.1 versions prior to 14.1R8-S5, 14.1R9; 14.1X53 versions prio
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CVE-2024-21618P4MEDIUMCVSS 6.5≥ 21.4, < 21.4R3-S4≥ 22.1, < 22.1R3-S4+4 more2024-04-12
CVE-2024-21618 [MEDIUM] CWE-788 CVE-2024-21618: An Access of Memory Location After End of Buffer vulnerability in the Layer-2 Control Protocols Daem
An Access of Memory Location After End of Buffer vulnerability in the Layer-2 Control Protocols Daemon (l2cpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker to cause Denial of Service (DoS).
On all Junos OS and Junos OS Evolved platforms, when LLDP is enabled on a specific interface, and a malformed
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CVE-2024-30388P4MEDIUMCVSS 6.5≥ 20.4R3-S4, < 20.4R3-S8≥ 21.2R3-S2, < 21.2R3-S6+5 more2024-04-12
CVE-2024-30388 [MEDIUM] CWE-653 CVE-2024-30388: An Improper Isolation or Compartmentalization vulnerability in the Packet Forwarding Engine (pfe) of
An Improper Isolation or Compartmentalization vulnerability in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS on QFX5000 Series and EX Series allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS).
If a specific malformed LACP packet is received by a QFX5000 Series, or an EX4400, EX4100 or EX4650 Series dev
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CVE-2026-33782P4MEDIUMCVSS 6.5fixed in 22.4R3-S1≥ 23.2, < 23.2R2+1 more2026-04-09
CVE-2026-33782 [MEDIUM] CWE-401 CVE-2026-33782: A Missing Release of Memory after Effective Lifetime vulnerability in the DHCP daemon (jdhcpd) of Ju
A Missing Release of Memory after Effective Lifetime vulnerability in the DHCP daemon (jdhcpd) of Juniper Networks Junos OS on MX Series, allows an adjacent, unauthenticated attacker to cause a memory leak, that will eventually cause a complete Denial-of-Service (DoS).
In a DHCPv6 over PPPoE, or DHCPv6 over VLAN with Active lease query or Bulk leas
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CVE-2025-52964P4MEDIUMCVSS 6.5fixed in 21.4R3-S7≥ 22.3, < 22.3R3-S3+5 more2025-07-11
CVE-2025-52964 [MEDIUM] CWE-617 CVE-2025-52964: A Reachable Assertion vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos O
A Reachable Assertion vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).
When the device receives a specific BGP UPDATE packet, the rpd crashes and restarts. Continuous receipt of this specific packet will cause a
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