CVSS: 7.8EPSS: 0%CPEs: 183EXPL: 0CVE-2021-0255 – Junos OS: ethtraceroute Local Privilege Escalation vulnerability in SUID binaries
https://notcve.org/view.php?id=CVE-2021-0255
22 Apr 2021 — A local privilege escalation vulnerability in ethtraceroute of Juniper Networks Junos OS may allow a locally authenticated user with shell access to escalate privileges and write to the local filesystem as root. ethtraceroute is shipped with setuid permissions enabled and is owned by the root user, allowing local users to run ethtraceroute with root privileges. This issue affects Juniper Networks Junos OS: 15.1X49 versions prior to 15.1X49-D240; 17.3 versions prior to 17.3R3-S11, 17.4 versions prior to 17.4... • https://kb.juniper.net/JSA11175 • CWE-250: Execution with Unnecessary Privileges CWE-269: Improper Privilege Management •
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 •
CVSS: 7.4EPSS: 0%CPEs: 192EXPL: 0CVE-2021-0240 – Junos OS: Receipt of malformed DHCPv6 packets causes jdhcpd to crash and restart.
https://notcve.org/view.php?id=CVE-2021-0240
22 Apr 2021 — On Juniper Networks Junos OS platforms configured as DHCPv6 local server or DHCPv6 Relay Agent, the Juniper Networks Dynamic Host Configuration Protocol Daemon (JDHCPD) process might crash if a malformed DHCPv6 packet is received, resulting in a restart of the daemon. The daemon automatically restarts without intervention, but continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue only affects DHCPv6. DHCPv4 is not affected by this issue. This i... • https://kb.juniper.net/JSA11168 • CWE-703: Improper Check or Handling of Exceptional Conditions CWE-755: Improper Handling of Exceptional Conditions •
CVSS: 6.5EPSS: 0%CPEs: 1EXPL: 0CVE-2021-0239 – Junos OS Evolved: Denial of Service due to receipt of specific genuine layer 2 frames.
https://notcve.org/view.php?id=CVE-2021-0239
22 Apr 2021 — In Juniper Networks Junos OS Evolved, receipt of a stream of specific genuine Layer 2 frames may cause the Advanced Forwarding Toolkit (AFT) manager process (Evo-aftmand), responsible for handling Route, Class-of-Service (CoS), Firewall operations within the packet forwarding engine (PFE) to crash and restart, leading to a Denial of Service (DoS) condition. By continuously sending this specific stream of genuine Layer 2 frames, an attacker can repeatedly crash the PFE, causing a sustained Denial of Service ... • https://kb.juniper.net/JSA11134 • CWE-754: Improper Check for Unusual or Exceptional Conditions •
CVSS: 5.5EPSS: 0%CPEs: 147EXPL: 0CVE-2021-0238 – Junos OS: MX Series: Executing CLI command repetitively may cause the system to run out of disk space
https://notcve.org/view.php?id=CVE-2021-0238
22 Apr 2021 — When a MX Series is configured as a Broadband Network Gateway (BNG) based on Layer 2 Tunneling Protocol (L2TP), executing certain CLI command may cause the system to run out of disk space, excessive disk usage may cause other complications. An administrator can use the following CLI command to monitor the available disk space: user@device> show system storage Filesystem Size Used Avail Capacity Mounted on /dev/gpt/junos 19G 18G 147M 99% /.mount <<<<< running out of space tmpfs 21G 16K 21G 0% /.mount/tmp tmp... • https://kb.juniper.net/JSA11133 • CWE-400: Uncontrolled Resource Consumption •