JO
Network Security
Junos OS
by Juniper · last CVE Oct 14, 2026
On CISA KEVExploited in the wild
931
CVEs
8
On KEV
10.0
Max CVSS
141
New 30D
Severity mix
Critical 52High 392Medium 56Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2023-36845
In wildKEV
9.8
95%
Aug 17
Junos OS: EX and SRX Series: A PHP vulnerability in J-Web allows an unauthenticated to control an important environment variable
Affected: before 20.4R3-S9; 21.1 before 21.1*; 21.2 before 21.2R3-S7; 21.3 before 21.3R3-S5; 21.4 before 21.4R3-S5; 22.1 before 22.1R3-S4; +4 more
CVE-2020-1631
In wildKEV
9.8
5%
May 4
Out of Cycle Security Advisory: Junos OS: Security vulnerability in J-Web and web based (HTTP/HTTPS) services
Affected: 12.3 before 12.3R12-S16; 12.3X48 before 12.3X48-D101, 12.3X48-D105; 14.1X53 before 14.1X53-D54; 15.1 before 15.1R7-S7; 15.1X49 before 15.1X49-D211, 15.1X49-D220; 16.1 before 16.1R7-S8; +12 more
CVE-2015-5477
In wildKEV
7.5
100%
Jul 29
ISC BIND Data Processing Errors Vulnerability
Affected: before 12.1; 13.1 before 13.2; 12.1; 12.1; 12.1r; 12.1x44; +34 more
CVE-2023-36851
In wildKEV
5.3
1%
Sep 26
Junos OS: SRX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload and download arbitrary files
Affected: 21.2 before 21.2R3-S8; 21.4 before 21.4R3-S6; 22.1 before 22.1R3-S5; 22.2 before 22.2R3-S3; 22.3 before 22.3R3-S2; 22.4 before 22.4R2-S2, 22.4R3; +1 more
CVE-2023-36846
In wildKEV
5.3
93%
Aug 17
Junos OS: SRX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload arbitrary files
Affected: before 20.4R3-S8; 21.1 before 21.1*; 21.2 before 21.2R3-S6; 21.3 before 21.3R3-S5; 21.4 before 21.4R3-S5; 22.1 before 22.1R3-S3; +3 more
CVE-2023-36844
In wildKEV
5.3
90%
Aug 17
Junos OS: EX Series: A PHP vulnerability in J-Web allows an unauthenticated attacker to control important environment variables
Affected: before 20.4R3-S9; 21.1 before 21.1*; 21.2 before 21.2R3-S6; 21.3 before 21.3R3-S5; 21.4 before 21.4R3-S5; 22.1 before 22.1R3-S4; +4 more
CVE-2023-36847
In wildKEV
5.3
83%
Aug 17
Junos OS: EX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload arbitrary files
Affected: before 20.4R3-S8; 21.1 before 21.1*; 21.2 before 21.2R3-S6; 21.3 before 21.3R3-S5; 21.4 before 21.4R3-S4; 22.1 before 22.1R3-S3; +3 more
CVE-2025-21590
In wildKEV
4.4
2%
Mar 12
Junos OS: An local attacker with shell access can execute arbitrary code
Affected: before 21.2R3-S9; 21.4 before 21.4R3-S10; 22.2 before 22.2R3-S6; 22.4 before 22.4R3-S6; 23.2 before 23.2R2-S3; 23.4 before 23.4R2-S4; +1 more
CVE-2021-31384
10.0
1%
Oct 19
Due to a Missing Authorization weakness and Insufficient Granularity of Access Control in a specific device configuration, a vulnerability exists in Juniper Networks Junos OS on…
Affected: 20.4; 20.4; 20.4; 21.1
CVE-2021-0248
10.0
1%
Apr 22
This issue is not applicable to NFX NextGen Software
Affected: before 19.1; 19.1
CVE-2021-0211
10.0
1%
Jan 15
An improper check for unusual or exceptional conditions in Juniper Networks Junos OS and Junos OS Evolved Routing Protocol Daemon (RPD) service allows an attacker to send a valid…
Affected: 17.3; 17.3; 17.3; 17.3; 17.3; 17.3; +34 more
CVE-2020-1614
10.0
1%
Apr 8
A Use of Hard-coded Credentials vulnerability exists in the NFX250 Series for the vSRX Virtual Network Function (VNF) instance, which allows an attacker to take control of the…
Affected: before 19.2; 19.2; 19.2; 19.2; 19.2
CVE-2019-0007
10.0
2%
Jan 15
Junos OS: vMX series: Predictable IP ID sequence numbers vulnerability
Affected: 15.1 before 15.1F5
CVE-2020-1660
9.9
1%
Oct 16
When DNS filtering is enabled on Juniper Networks Junos MX Series with one of the following cards MS-PIC, MS-MIC or MS-MPC, an incoming stream of packets processed by the…
Affected: 17.3; 17.3; 17.3; 17.3; 17.3; 17.3; +34 more
CVE-2026-101954
9.8
0%
Oct 14
Junos OS and Junos OS Evolved: Unauthenticated network access causes full device takeover when J-Web is enabled
Affected: 25.2 before 25.2R2-S2; 25.4 before 25.4R1-S3; 26.2 before 26.2R1-S2
CVE-2026-101983
9.8
1%
Oct 14
Junos OS and Junos OS Evolved: An attacker causes remote code execution when J-Web virtual-domain is configured
Affected: 23.4 before 23.4R2-S8.13; 24.2 before 24.2R2-S5.5; 24.4 before 24.4R2-S5; 25.2 before 25.2R2-S2; 25.4 before 25.4R1-S3; 26.2 before 26.2R1-S2
CVE-2026-101982
9.8
1%
Oct 14
Junos OS and Junos OS Evolved: A EVPN peer causes an rpd crash or root-level compromise when EVPN-VPWS is used
Affected: before 23.2R2-S7.7; 23.4 before 23.4R2-S8.13; 24.2 before 24.2R2-S5.5; 24.4 before 24.4R2-S5; 25.2 before 25.2R2-S2; 25.4 before 25.4R1-S3; +1 more
CVE-2026-33796
9.8
1%
Oct 14
Junos OS and Junos OS Evolved: An attacker causes remote root command execution when BMP route monitoring is enabled
Affected: before 23.2R2-S7.7; 23.4 before 23.4R2-S8.13; 24.2 before 24.2R2-S5.5; 24.4 before 24.4R2-S5; 25.2 before 25.2R2-S2; 25.4 before 25.4R1-S3; +1 more
CVE-2026-33792
9.8
1%
Oct 14
Junos OS: SRX Series: An attacker causes remote code execution and denial of service when a GRE tunnel is configured
Affected: before 23.2R2-S7.7; 23.4 before 23.4R2-S8.13; 24.2 before 24.2R2-S5.5; 24.4 before 24.4R2-S5; 25.2 before 25.2R2-S2; 25.4 before 25.4R1-S3; +1 more
CVE-2026-33789
9.8
1%
Oct 14
Junos OS and Junos OS Evolved: With BGP Monitoring Protocol is enabled, receipt of a specifically crafted BGP route update results in denial of service
Affected: before 23.2R2-S7.7; 23.4 before 23.4R2-S8.13; 24.2 before 24.2R2-S5.5; 24.4 before 24.4R2-S5; 25.2 before 25.2R2-S2; 25.4 before 25.4R1-S3; +1 more
CVE-2026-102182
9.8
0%
Oct 14
Junos OS: MX Series: Certificate-based IKE packets cause root-level code execution
Affected: before 23.2R2-S7.7; 23.4 before 23.4R2-S8.13; 24.2 before 24.2R2-S5.5; 24.4 before 24.4R2-S5; 25.2 before 25.2R2-S2; 25.4 before 25.4R1-S3; +1 more
CVE-2026-102178
9.8
0%
Oct 14
Junos OS and Junos OS Evolved: When BGP update-threading is enabled a specifically malformed flowspec NLRI causes routing-engine compromise
Affected: before 23.2R2-S7.7; 23.4 before 23.4R2-S8.13; 24.2 before 24.2R2-S5.5; 24.4 before 24.4R2-S5; 25.2 before 25.2R2-S2; 25.4 before 25.4R1-S3; +1 more
CVE-2026-102175
9.8
1%
Oct 14
Junos OS and Junos OS Evolved: An attacker causes remote code execution or denial of service when service-deployment processing is used
Affected: before 23.2R2-S7.7; 23.4 before 23.4R2-S8.13; 24.2 before 24.2R2-S5.5; 24.4 before 24.4R2-S5; 25.2 before 25.2R2-S2; 25.4 before 25.4R1-S3; +1 more
CVE-2026-101990
9.8
1%
Oct 14
Junos OS and Junos OS Evolved: A BGP peer causes an rpd crash when flow-spec routes are re-advertised
Affected: before 23.2R2-S7.7; 23.4 before 23.4R2-S8.13; 24.2 before 24.2R2-S5.5; 24.4 before 24.4R2-S5; 25.2 before 25.2R2-S2; 25.4 before 25.4R1-S3; +1 more
CVE-2026-101950
9.8
0%
Oct 14
Junos OS: SRX Series: Malformed IPv4 packets cause packet-forwarding process crash when Secure Vector Routing is enabled
Affected: before 23.2R2-S7.7; 23.4 before 23.4R2-S8.13; 24.2 before 24.2R2-S5.5; 24.4 before 24.4R2-S5; 25.2 before 25.2R2-S2; 25.4 before 25.4R1-S3; +1 more
CVE-2026-101986
9.8
1%
Oct 14
Junos OS and Junos OS Evolved: J-Web permits pre-authentication CGI execution
Affected: before 23.2R2-S7.7; 23.4 before 23.4R2-S8.13; 24.2 before 24.2R2-S5.5; 24.4 before 24.4R2-S5; 25.2 before 25.2R2-S2; 25.4 before 25.4R1-S3; +1 more
CVE-2026-101956
9.8
1%
Oct 14
Junos OS: Unauthorized root command execution when J-Web is enabled
Affected: 25.2 before 25.2R2-S2; 25.4 before 25.4R1-S3; 26.2 before 26.2R1-S2
CVE-2026-101980
9.8
0%
Oct 14
Junos OS: Malformed Extended Echo requests cause a Routing Engine reboot when Extended Echo is enabled
Affected: before 23.2R2-S7.7; 23.4 before 23.4R2-S8.13; 24.2 before 24.2R2-S5.5; 24.4 before 24.4R2-S5; 25.2 before 25.2R2-S2; 25.4 before 25.4R1-S3; +1 more
CVE-2024-21591
9.8
18%
Jan 12
An Out-of-bounds Write vulnerability in J-Web of Juniper Networks Junos OS on SRX Series and EX Series allows an unauthenticated, network-based attacker to cause a Denial of…
Affected: before 20.4; 20.4; 20.4; 20.4; 20.4; 20.4; +34 more
CVE-2023-28962
9.8
1%
Apr 17
An Improper Authentication vulnerability in upload-file.php, used by the J-Web component of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to upload…
Affected: before 19.4; 19.4; 19.4; 19.4; 19.4; 19.4; +34 more
CVE-2022-22241
9.8
1%
Oct 18
Junos OS: Vulnerability in J-Web may allow deserialization without authentication
Affected: before 19.1R3-S9; 19.2 before 19.2R3-S6; 19.3 before 19.3R3-S7; 19.4 before 19.4R2-S7, 19.4R3-S9; 20.1 before 20.1R3-S5; 20.2 before 20.2R3-S5; +7 more
CVE-2022-22167
9.8
1%
Jan 19
A traffic classification vulnerability in Juniper Networks Junos OS on the SRX Series Services Gateways may allow an attacker to bypass Juniper Deep Packet Inspection (JDPI) rules…
Affected: 18.4; 18.4; 18.4; 18.4; 18.4; 18.4; +34 more
CVE-2021-0266
9.8
1%
Apr 22
The use of multiple hard-coded cryptographic keys in cSRX Series software in Juniper Networks Junos OS allows an attacker to take control of any instance of a cSRX deployment…
Affected: 20.2; 20.2; 20.2; 20.2; 20.3; 20.3; +2 more
CVE-2021-0254
9.8
3%
Apr 22
A buffer size validation vulnerability in the overlayd service of Juniper Networks Junos OS may allow an unauthenticated remote attacker to send specially crafted packets to the…
Affected: 15.1; 15.1; 15.1; 15.1; 15.1; 15.1; +34 more
CVE-2021-0249
9.8
2%
Apr 22
On SRX Series devices configured with UTM services a buffer overflow vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS may allow an attacker to…
Affected: 15.1x49; 15.1x49; 15.1x49; 15.1x49; 15.1x49; 15.1x49; +34 more
CVE-2020-1654
9.8
2%
Jul 17
On Juniper Networks SRX Series with ICAP (Internet Content Adaptation Protocol) redirect service enabled, processing a malformed HTTP message can lead to a Denial of Service (DoS)…
Affected: 18.1; 18.1; 18.1; 18.1; 18.1; 18.1; +34 more
CVE-2020-1647
9.8
3%
Jul 17
On Juniper Networks SRX Series with ICAP (Internet Content Adaptation Protocol) redirect service enabled, a double free vulnerability can lead to a Denial of Service (DoS) or…
Affected: 18.1; 18.1; 18.1; 18.1; 18.1; 18.1; +34 more
CVE-2020-1615
9.8
2%
Apr 8
The factory configuration for vMX installations, as shipped, includes default credentials for the root account
Affected: 17.1; 17.1; 17.1; 17.1; 17.1; 17.1; +34 more
CVE-2020-10188
9.8
74%
Mar 6
utility.c in telnetd in netkit telnet through 0.17 allows remote attackers to execute arbitrary code via short writes or urgent data, because of a buffer overflow involving the…
Affected: 12.3; 12.3; 12.3; 12.3; 12.3; 12.3; +34 more
CVE-2019-0036
9.8
1%
Apr 10
When configuring a stateless firewall filter in Junos OS, terms named using the format "internal-n" (e.g
Affected: 15.1; 15.1; 15.1; 15.1; 15.1; 15.1; +34 more
CVE-2019-0008
9.8
5%
Apr 10
A certain sequence of valid BGP or IPv6 BFD packets may trigger a stack based buffer overflow in the Junos OS Packet Forwarding Engine manager (FXPC) process on QFX5000 series,…
Affected: 15.1x53 before 15.1x53-d235; 17.1 before 17.1r3; 17.2 before 17.2r3; 17.3 before 17.3r3-s2; 17.4 before 17.4r2-s1; 18.1 before 18.1r3-s1; +7 more
CVE-2019-0002
9.8
2%
Jan 15
Junos OS: EX2300 and EX3400 series: Certain stateless firewall filter rules might not take effect
Affected: 15.1X53 before 15.1X53-D590; 18.1 before 18.1R3; 18.2 before 18.2R2
CVE-2019-0006
9.8
5%
Jan 15
Junos OS: EX, QFX and MX series: Packet Forwarding Engine manager (FXPC) process crashes due to a crafted HTTP packet in a Virtual Chassis configuration
Affected: 14.1X53 before 14.1X53-D47; 15.1X53 before 15.1X53-D50; 15.1 before 15.1R7-S3
CVE-2018-0037
9.8
4%
Jul 11
Junos OS routing protocol daemon (RPD) process may crash and restart or may lead to remote code execution while processing specific BGP NOTIFICATION messages
Affected: 15.1; 15.1; 15.1; 15.1; 15.1; 15.1; +2 more
CVE-2018-0035
9.8
1%
Jul 11
QFX5200 and QFX10002 devices that have been shipped with Junos OS 15.1X53-D21, 15.1X53-D30, 15.1X53-D31, 15.1X53-D32, 15.1X53-D33 and 15.1X53-D60 or have been upgraded to these…
Affected: 15.1x53; 15.1x53; 15.1x53; 15.1x53; 15.1x53; 15.1x53
CVE-2018-0007
9.8
2%
Jan 10
An unauthenticated network-based attacker able to send a maliciously crafted LLDP packet to the local segment, through a local segment broadcast, may be able to cause a Junos…
Affected: 12.1x46; 12.1x46; 12.1x46; 12.1x46; 12.1x46; 12.1x46; +34 more
CVE-2018-0001
9.8
6%
Jan 10
A remote, unauthenticated attacker may be able to execute code by exploiting a use-after-free defect found in older versions of PHP through injection of crafted data via specific…
Affected: 12.1x46; 12.1x46; 12.1x46; 12.1x46; 12.1x46; 12.1x46; +34 more
CVE-2017-10615
9.8
2%
Oct 13
A vulnerability in the pluggable authentication module (PAM) of Juniper Networks Junos OS may allow an unauthenticated network based attacker to potentially execute arbitrary code…
Affected: 14.1; 14.1; 14.1; 14.1; 14.1; 14.1; +23 more
CVE-2017-2345
9.8
4%
Jul 17
On Junos OS devices with SNMP enabled, a network based attacker with unfiltered access to the RE can cause the Junos OS snmpd daemon to crash and restart by sending a crafted SNMP…
Affected: 12.1x46; 12.1x46; 12.1x46; 12.1x46; 12.1x46; 12.1x46; +34 more
CVE-2017-2343
9.8
3%
Jul 17
The Integrated User Firewall (UserFW) feature was introduced in Junos OS version 12.1X47-D10 on the Juniper SRX Series devices to provide simple integration of user profiles on…
Affected: 12.3x48; 12.3x48; 12.3x48; 12.3x48; 12.3x48; 12.3x48; +2 more
Page 1 of 10 · 500 total
12…10
The 500 most important CVEs for this product (exploited first, then by severity)