CVSS: 8.6EPSS: 0%CPEs: 145EXPL: 0CVE-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
https://notcve.org/view.php?id=CVE-2021-0251
22 Apr 2021 — A NULL Pointer Dereference vulnerability in the Captive Portal Content Delivery (CPCD) services daemon (cpcd) of Juniper Networks Junos OS on MX Series with MS-PIC, MS-SPC3, MS-MIC or MS-MPC allows an attacker to send malformed HTTP packets to the device thereby causing a Denial of Service (DoS), crashing the Multiservices PIC Management Daemon (mspmand) process thereby denying users the ability to login, while concurrently impacting other mspmand services and traffic through the device. Continued receipt a... • https://kb.juniper.net/JSA11144 • CWE-476: NULL Pointer Dereference •
CVSS: 7.5EPSS: 0%CPEs: 73EXPL: 0CVE-2021-0250 – Junos OS and Junos OS Evolved: An attacker sending a specific crafted BGP update message will crash RPD
https://notcve.org/view.php?id=CVE-2021-0250
22 Apr 2021 — In segment routing traffic engineering (SRTE) environments where the BGP Monitoring Protocol (BMP) feature is enable, a vulnerability in the Routing Protocol Daemon (RPD) process of Juniper Networks Junos OS allows an attacker to send a specific crafted BGP update message causing the RPD service to core, creating a Denial of Service (DoS) Condition. Continued receipt and processing of this update message will create a sustained Denial of Service (DoS) condition. This issue affects IPv4 and IPv6 environments... • https://kb.juniper.net/JSA11143 •
CVSS: 10.0EPSS: 0%CPEs: 127EXPL: 0CVE-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.
https://notcve.org/view.php?id=CVE-2021-0249
22 Apr 2021 — 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 arbitrarily execute code or commands on the target to take over or otherwise impact the device by sending crafted packets to or through the device. This issue affects: Juniper Networks Junos OS on SRX Series: 15.1X49 versions prior to 15.1X49-D190; 17.4 versions prior to 17.4R2-S9; 17.4R3 and later versions prior to 18.1R3-S9; 18.2 ver... • https://kb.juniper.net/JSA11142 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •
CVSS: 10.0EPSS: 0%CPEs: 5EXPL: 0CVE-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 •
CVSS: 6.8EPSS: 0%CPEs: 344EXPL: 0CVE-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.
https://notcve.org/view.php?id=CVE-2021-0247
22 Apr 2021 — A Race Condition (Concurrent Execution using Shared Resource with Improper Synchronization) vulnerability in the firewall process (dfwd) of Juniper Networks Junos OS allows an attacker to bypass the firewall rule sets applied to the input loopback filter on any interfaces of a device. This issue is detectable by reviewing the PFE firewall rules, as well as the firewall counters and seeing if they are incrementing or not. For example: show firewall Filter: __default_bpdu_filter__ Filter: FILTER-INET-01 Count... • https://kb.juniper.net/JSA11140 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •
CVSS: 7.8EPSS: 0%CPEs: 184EXPL: 0CVE-2021-0245 – Junos OS: Junos Fusion: Hard-coded credentials on satellite devices allows a locally authenticated attacker to elevate their privileges.
https://notcve.org/view.php?id=CVE-2021-0245
22 Apr 2021 — A Use of Hard-coded Credentials vulnerability in Juniper Networks Junos OS on Junos Fusion satellite devices allows an attacker who is local to the device to elevate their privileges and take control of the device. This issue affects: Juniper Networks Junos OS Junos Fusion Satellite Devices. 16.1 versions prior to 16.1R7-S7; 17.1 versions prior to 17.1R2-S12, 17.1R3-S2; 17.2 versions prior to 17.2R3-S4; 17.3 versions prior to 17.3R3-S8; 17.4 versions prior to 17.4R2-S10; 17.4 version 17.4R3 and later versio... • https://kb.juniper.net/JSA11138 • CWE-798: Use of Hard-coded Credentials •
CVSS: 7.4EPSS: 0%CPEs: 268EXPL: 0CVE-2021-0244 – Junos OS: A race condition in the storm control profile may allow an attacker to cause a Denial of Service condition
https://notcve.org/view.php?id=CVE-2021-0244
22 Apr 2021 — A signal handler race condition exists in the Layer 2 Address Learning Daemon (L2ALD) of Juniper Networks Junos OS due to the absence of a specific protection mechanism to avoid a race condition which may allow an attacker to bypass the storm-control feature on devices. This issue is a corner case and only occurs during specific actions taken by an administrator of a device under certain specifics actions which triggers the event. The event occurs less frequently on devices which are not configured with Vir... • https://kb.juniper.net/JSA11137 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •
CVSS: 4.7EPSS: 0%CPEs: 172EXPL: 0CVE-2021-0243 – Junos OS: EX4300: Stateless firewall policer fails to discard traffic
https://notcve.org/view.php?id=CVE-2021-0243
22 Apr 2021 — 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 port, it will allow traffic to pass even though it exceeds set policer limits. Traffic will not get discarded, and will be forwarded even though a policer discard action is configured. When the issue occurs, traffic is not d... • https://kb.juniper.net/JSA11136 • CWE-241: Improper Handling of Unexpected Data Type •
CVSS: 6.5EPSS: 0%CPEs: 181EXPL: 0CVE-2021-0242 – Junos OS: EX4300: FPC crash upon receipt of specific frames on an interface without L2PT or dot1x configured
https://notcve.org/view.php?id=CVE-2021-0242
22 Apr 2021 — 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 device to restart. The DMA buffer leak is seen when receiving these specific, valid unicast frames on an interface without Layer 2 Protocol Tunneling (L2PT) or dot1x configured. Interfaces with either L2PT or dot1x configur... • https://kb.juniper.net/JSA11135 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-241: Improper Handling of Unexpected Data Type CWE-770: Allocation of Resources Without Limits or Throttling •
CVSS: 7.4EPSS: 0%CPEs: 189EXPL: 0CVE-2021-0241 – Junos OS: Receipt of specific DHCPv6 packet may cause jdhcpd to crash and restart
https://notcve.org/view.php?id=CVE-2021-0241
22 Apr 2021 — On Juniper Networks Junos OS platforms configured as DHCPv6 local server or DHCPv6 Relay Agent, Juniper Networks Dynamic Host Configuration Protocol Daemon (JDHCPD) process might crash with a core dump if a specific DHCPv6 packet is received, resulting in a restart of the daemon. The daemon automatically restarts without intervention, but continued receipt and processing of these specific packets will repeatedly crash the JDHCPD process and sustain the Denial of Service (DoS) condition. This issue only affe... • https://kb.juniper.net/JSA11168 • CWE-703: Improper Check or Handling of Exceptional Conditions CWE-755: Improper Handling of Exceptional Conditions •