Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

Junos OS — Vulnerabilities & Security Advisories 678

All 678 CVE vulnerabilities found in Junos OS, with AI-generated Chinese analysis, references, and POCs.

This page aggregates vulnerability data for Junos OS, a network operating system developed by Juniper Networks. It collects security flaws across multiple weakness types, covering advisories issued from 2010 through the most recent updates. Readers can use this resource to track the vendor's published advisories, understand specific weakness classes like memory corruption or improper input validation, and review the product's historical vulnerability trends without needing to search individual databases.

Vendor: Juniper Networks

CVE ID Title CVSS Severity Published
CVE-2021-0269 Junos OS: J-Web can be compromised through reflected client-side HTTP parameter pollution attacks. CWE-233 8.8 High 2021-04-22
CVE-2021-0270 Junos OS: PTX Series, QFX10K Series: A PTX/QFX FPC may restart unexpectedly with the "inline-Jflow" feature enabled on a large-scale deployment CWE-362 7.5 High 2021-04-22
CVE-2021-0268 Junos OS: J-Web has an Improper Neutralization of CRLF Sequences in its HTTP Headers which allows an attacker to carry out multiple types of attacks. CWE-113 8.8 High 2021-04-22
CVE-2021-0266 cSRX: Use of Hard-coded Cryptographic Keys allows an attacker to take control of the device through device management services. CWE-321 8.1 High 2021-04-22
CVE-2021-0267 Junos OS: Receipt of a crafted DHCP packet will cause the jdhcpd DHCP service to core. CWE-20 7.4 High 2021-04-22
CVE-2021-0263 Junos OS: PTX Series: Denial of Service in packet processing due to heavy route churn when J-Flow sampling is enabled CWE-19 5.9 Medium 2021-04-22
CVE-2021-0264 Junos OS and Junos OS Evolved: MX Series with MPC10/MPC11, PTX10003, PTX10008: Line card may crash and restart when traffic is hitting a firewall filter having a term with syslog action configured CWE-703 5.9 Medium 2021-04-22
CVE-2021-0262 Junos OS: QFX10002-60C: Use after free vulnerability found during static code analysis CWE-416 6.5 Medium 2021-04-22
CVE-2021-0260 Junos OS: SNMP fails to properly perform authorization checks on incoming received SNMP requests. CWE-285 7.3 High 2021-04-22
CVE-2021-0261 Junos OS: Denial of Service vulnerability in J-Web and web based (HTTP/HTTPS) services caused by a high number of specific requests CWE-125 7.5 High 2021-04-22
CVE-2021-0259 Junos OS and Junos OS Evolved: QFX5K Series: Underlay network traffic might not be processed upon receipt of high rate of specific genuine overlay packets in VXLAN scenario CWE-755 7.4 High 2021-04-22
CVE-2021-0258 Junos OS: Kernel panic upon receipt of specific TCPv6 packet on management interface CWE-362 5.9 Medium 2021-04-22
CVE-2021-0256 Junos OS: mosquitto Local Privilege Escalation vulnerability in SUID binaries CWE-250 5.5 Medium 2021-04-22
CVE-2021-0257 Junos OS: MX Series, EX9200 Series: Trio-based MPCs memory leak in VPLS with integrated routing and bridging (IRB) interface CWE-400 6.5 Medium 2021-04-22
CVE-2021-0255 Junos OS: ethtraceroute Local Privilege Escalation vulnerability in SUID binaries CWE-250 5.5 Medium 2021-04-22
CVE-2021-0253 Junos OS: NFX Series: Local Command Execution Vulnerability in JDMD Leads to Privilege Escalation CWE-77 7.8 High 2021-04-22
CVE-2021-0254 Junos OS: Remote code execution vulnerability in overlayd service CWE-131 9.8 Critical 2021-04-22
CVE-2021-0252 Junos OS: NFX Series: Local Code Execution Vulnerability in JDMD Leads to Privilege Escalation CWE-77 7.8 High 2021-04-22
CVE-2021-0250 Junos OS and Junos OS Evolved: An attacker sending a specific crafted BGP update message will crash RPD 7.5 High 2021-04-22
CVE-2021-0251 Junos OS: MX Series with MS-PIC, MS-SPC3, MS-MIC or MS-MPC: The BRAS Subscriber Services service activation portal is vulnerable to a Denial of Service (DoS) via malformed HTTP packets 8.6 High 2021-04-22
CVE-2021-0249 Junos OS: SRX Series: A remote attacker may be able to cause a PFE buffer overflow to arbitrarily remotely execute code or commands on the target device with UTM enabled. 8.1 High 2021-04-22
CVE-2021-0247 Junos OS: PTX Series, QFX Series: Due to a race condition input loopback firewall filters applied to interfaces may not operate even when listed in the running configuration. CWE-362 5.1 Medium 2021-04-22
CVE-2021-0248 NFX Series: Hard-coded credentials allow an attacker to take control of any instance through administrative interfaces. CWE-798 10.0 Critical 2021-04-22
CVE-2021-0246 Junos OS: SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2/SPC3: In a multi-tenant environment, a tenant host administrator may be able to jailbreak out of their network impacting other tenant networks or gather information from other networks. 7.3 High 2021-04-22
CVE-2021-0244 Junos OS: A race condition in the storm control profile may allow an attacker to cause a Denial of Service condition 7.4 High 2021-04-22
CVE-2021-0245 Junos OS: Junos Fusion: Hard-coded credentials on satellite devices allows a locally authenticated attacker to elevate their privileges. CWE-798 7.8 High 2021-04-22
CVE-2021-0243 Junos OS: EX4300: Stateless firewall policer fails to discard traffic CWE-241 4.7 Medium 2021-04-22
CVE-2021-0241 Junos OS: Receipt of specific DHCPv6 packet may cause jdhcpd to crash and restart CWE-703 7.4 High 2021-04-22
CVE-2021-0242 Junos OS: EX4300: FPC crash upon receipt of specific frames on an interface without L2PT or dot1x configured CWE-119 6.5 Medium 2021-04-22
CVE-2021-0240 Junos OS: Receipt of malformed DHCPv6 packets causes jdhcpd to crash and restart. CWE-703 7.4 High 2021-04-22

All 678 known CVE vulnerabilities affecting Junos OS with full Chinese analysis, references, and POCs where available.