
CVE-2021-0282 – Junos OS: RPD crash while processing a specific BGP UPDATE when Multipath or add-path features are enabled
https://notcve.org/view.php?id=CVE-2021-0282
15 Jul 2021 — On Juniper Networks Junos OS devices with Multipath or add-path feature enabled, processing a specific BGP UPDATE can lead to a routing process daemon (RPD) crash and restart, causing a Denial of Service (DoS). Continued receipt and processing of this UPDATE message will create a sustained Denial of Service (DoS) condition. This BGP UPDATE message can propagate to other BGP peers with vulnerable Junos versions on which Multipath or add-path feature is enabled, and cause RPD to crash and restart. This issue ... • https://kb.juniper.net/JSA11186 • CWE-754: Improper Check for Unusual or Exceptional Conditions •

CVE-2021-0277 – Junos OS and Junos OS Evolved: LLDP Out-of-Bounds Read vulnerability in l2cpd
https://notcve.org/view.php?id=CVE-2021-0277
15 Jul 2021 — An Out-of-bounds Read vulnerability in the processing of specially crafted LLDP frames by the Layer 2 Control Protocol Daemon (l2cpd) of Juniper Networks Junos OS and Junos OS Evolved may allow an attacker to cause a Denial of Service (DoS), or may lead to remote code execution (RCE). Continued receipt and processing of these frames, sent from the local broadcast domain, will repeatedly crash the l2cpd process and sustain the Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS: ... • https://kb.juniper.net/JSA11181 • CWE-125: Out-of-bounds Read •

CVE-2021-0275 – Junos OS: J-Web: Cross-site scripting attack allows an attacker to gain control of another users session.
https://notcve.org/view.php?id=CVE-2021-0275
22 Apr 2021 — A Cross-site Scripting (XSS) vulnerability in J-Web on Juniper Networks Junos OS allows an attacker to target another user's session thereby gaining access to the users session. The other user session must be active for the attack to succeed. Once successful, the attacker has the same privileges as the user. If the user has root privileges, the attacker may be able to gain full control of the device. This issue affects: Juniper Networks Junos OS: 12.3 versions prior to 12.3R12-S15 on EX Series; 12.3X48 vers... • https://kb.juniper.net/JSA11166 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •

CVE-2021-0271 – Junos OS: EX2200-C Series, EX3200 Series, EX3300 Series, EX4200 Series, EX4500 Series, EX4550 Series, EX6210 Series, EX8208 Series, EX8216 Series: Receipt of a crafted ARP packet by an adjacent attacker will cause the sfid process to core.
https://notcve.org/view.php?id=CVE-2021-0271
22 Apr 2021 — 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 ARP packets will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS on EX2200-C Series, EX3200 Series, EX3300 Series, EX4200 Series, EX4500 Series, EX4550 Series, EX6210 Series,... • https://kb.juniper.net/JSA11162 • CWE-415: Double Free •

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
https://notcve.org/view.php?id=CVE-2021-0261
22 Apr 2021 — A vulnerability in the HTTP/HTTPS service used by J-Web, Web Authentication, Dynamic-VPN (DVPN), Firewall Authentication Pass-Through with Web-Redirect, and Captive Portal allows an unauthenticated attacker to cause an extended Denial of Service (DoS) for these services by sending a high number of specific requests. This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S17 on EX Series; 12.3X48 versions prior to 12.3X48-D105 on SRX Series; 15.1 versions prior to 15.1R7-S8; 15.1X49 ver... • https://kb.juniper.net/JSA11152 • CWE-125: Out-of-bounds Read CWE-770: Allocation of Resources Without Limits or Throttling •

CVE-2021-0248 – NFX Series: Hard-coded credentials allow an attacker to take control of any instance through administrative interfaces.
https://notcve.org/view.php?id=CVE-2021-0248
22 Apr 2021 — This issue is not applicable to NFX NextGen Software. On NFX Series devices the use of Hard-coded Credentials in Juniper Networks Junos OS allows an attacker to take over any instance of an NFX deployment. This issue is only exploitable through administrative interfaces. This issue affects: Juniper Networks Junos OS versions prior to 19.1R1 on NFX Series. No other platforms besides NFX Series devices are affected. • https://kb.juniper.net/JSA11141 • CWE-798: Use of Hard-coded Credentials •

CVE-2021-0210 – Junos OS: Privilege escalation in J-Web due to arbitrary command and code execution via information disclosure from another users active session
https://notcve.org/view.php?id=CVE-2021-0210
15 Jan 2021 — An Information Exposure vulnerability in J-Web of Juniper Networks Junos OS allows an unauthenticated attacker to elevate their privileges over the target system through opportunistic use of an authenticated users session. This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S17; 17.3 versions prior to 17.3R3-S10; 17.4 versions prior to 17.4R2-S12, 17.4R3-S3; 18.1 versions prior to 18.1R3-S11; 18.2 versions prior to 18.2R3-S6; 18.3 versions prior to 18.3R2-S4, 18.3R3-S4; 18.4 version... • https://kb.juniper.net/JSA11100 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVE-2020-1661 – Junos OS: jdhcpd process crash when forwarding a malformed DHCP packet.
https://notcve.org/view.php?id=CVE-2020-1661
16 Oct 2020 — On Juniper Networks Junos OS devices configured as a DHCP forwarder, the Juniper Networks Dynamic Host Configuration Protocol Daemon (jdhcp) process might crash when receiving a malformed DHCP packet. This issue only affects devices configured as DHCP forwarder with forward-only option, that forward specified DHCP client packets, without creating a new subscriber session. The jdhcpd daemon automatically restarts without intervention, but continuous receipt of the malformed DHCP packet will repeatedly crash ... • https://kb.juniper.net/JSA11056 •

CVE-2020-1656 – Junos OS: When a DHCPv6 Relay-Agent is configured upon receipt of a specific DHCPv6 client message, Remote Code Execution may occur.
https://notcve.org/view.php?id=CVE-2020-1656
16 Oct 2020 — The DHCPv6 Relay-Agent service, part of the Juniper Enhanced jdhcpd daemon shipped with Juniper Networks Junos OS has an Improper Input Validation vulnerability which will result in a Denial of Service (DoS) condition when a DHCPv6 client sends a specific DHPCv6 message allowing an attacker to potentially perform a Remote Code Execution (RCE) attack on the target device. Continuous receipt of the specific DHCPv6 client message will result in an extended Denial of Service (DoS) condition. If adjacent devices... • https://kb.juniper.net/JSA11049 • CWE-20: Improper Input Validation CWE-476: NULL Pointer Dereference •

CVE-2020-1641 – Junos OS: A race condition on receipt of crafted LLDP packets leads to a memory leak and an LLDP crash.
https://notcve.org/view.php?id=CVE-2020-1641
17 Jul 2020 — A Race Condition vulnerability in Juniper Networks Junos OS LLDP implementation allows an attacker to cause LLDP to crash leading to a Denial of Service (DoS). This issue occurs when crafted LLDP packets are received by the device from an adjacent device. Multiple LACP flaps will occur after LLDP crashes. An indicator of compromise is to evaluate log file details for lldp with RLIMIT. Intervention should occur before 85% threshold of used KB versus maximum available KB memory is reached. show log messages |... • https://kb.juniper.net/JSA11027 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •