Vulnerability Database

289,784

Total vulnerabilities in the database

CVE-2021-31359

A local privilege escalation vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged user to cause the Juniper DHCP daemon (jdhcpd) process to crash, resulting in a Denial of Service (DoS), or execute arbitrary commands as root. Continued processing of malicious input will repeatedly crash the system and sustain the Denial of Service (DoS) condition. Systems are only vulnerable if jdhcpd is running, which can be confirmed via the 'show system processes' command. For example: root@host# run show system processes extensive | match dhcp 26537 root -16 0 97568K 13692K RUN 0 0:01 3.71% jdhcpd This issue affects: Juniper Networks Junos OS: All versions, including the following supported releases: 15.1 versions prior to 15.1R7-S10; 17.4 versions prior to 17.4R3-S5; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R3-S9; 19.1 versions prior to 19.1R3-S6; 19.2 versions prior to 19.2R1-S7, 19.2R3-S3; 19.3 versions prior to 19.3R2-S6, 19.3R3-S3; 19.4 versions prior to 19.4R3-S6; 20.1 versions prior to 20.1R2-S2, 20.1R3-S1; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3; 20.4 versions prior to 20.4R2-S1, 20.4R3; 21.1 versions prior to 21.1R1-S1, 21.1R2. Juniper Networks Junos OS Evolved: All versions prior to 20.4R2-S3-EVO; All versions of 21.1-EVO.

  • Published: Oct 19, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-31359
  • Severity: High
  • Exploit:

CVSS v2:

  • Severity: High
  • Score: 7.2
  • AV:L/AC:L/Au:N/C:C/I:C/A:C

CWEs:

Software From Fixed in
juniper / junos 15.1-r7 15.1-r7.x
juniper / junos 15.1-f1 15.1-f1.x
juniper / junos 15.1-f6-s4 15.1-f6-s4.x
juniper / junos 15.1-f2-s3 15.1-f2-s3.x
juniper / junos 15.1-f7 15.1-f7.x
juniper / junos 15.1-r3 15.1-r3.x
juniper / junos 15.1-r 15.1-r.x
juniper / junos 15.1-f2-s2 15.1-f2-s2.x
juniper / junos 15.1-r6 15.1-r6.x
juniper / junos 15.1-f4 15.1-f4.x
juniper / junos 15.1-r4 15.1-r4.x
juniper / junos 15.1-f2-s4 15.1-f2-s4.x
juniper / junos 15.1-f5-s7 15.1-f5-s7.x
juniper / junos 15.1-f6-s7 15.1-f6-s7.x
juniper / junos 15.1-f6 15.1-f6.x
juniper / junos 15.1-f2 15.1-f2.x
juniper / junos 15.1-a1 15.1-a1.x
juniper / junos 15.1-f3 15.1-f3.x
juniper / junos 15.1-r2 15.1-r2.x
juniper / junos 15.1-r4-s7 15.1-r4-s7.x
juniper / junos 15.1-r4-s8 15.1-r4-s8.x
juniper / junos 15.1-r5-s5 15.1-r5-s5.x
juniper / junos 15.1-r6-s1 15.1-r6-s1.x
juniper / junos 15.1-r5 15.1-r5.x
juniper / junos 15.1-r1 15.1-r1.x
juniper / junos 15.1-f2-s1 15.1-f2-s1.x
juniper / junos 15.1-r5-s1 15.1-r5-s1.x
juniper / junos 15.1-f5 15.1-f5.x
juniper / junos 15.1-f6-s8 15.1-f6-s8.x
juniper / junos 15.1-r5-s3 15.1-r5-s3.x
juniper / junos 15.1-r5-s6 15.1-r5-s6.x
juniper / junos 15.1-r6-s2 15.1-r6-s2.x
juniper / junos 15.1-r6-s3 15.1-r6-s3.x
juniper / junos 15.1-r6-s4 15.1-r6-s4.x
juniper / junos 15.1-f6-s9 15.1-f6-s9.x
juniper / junos 15.1-r4-s9 15.1-r4-s9.x
juniper / junos 15.1-r6-s6 15.1-r6-s6.x
juniper / junos 17.4-r1 17.4-r1.x
juniper / junos 17.4-r2 17.4-r2.x
juniper / junos 15.1-f 15.1-f.x
juniper / junos 15.1-f6-s3 15.1-f6-s3.x
juniper / junos 15.1-r7-s1 15.1-r7-s1.x
juniper / junos 15.1-f6-s10 15.1-f6-s10.x
juniper / junos 17.4-r1-s3 17.4-r1-s3.x
juniper / junos 15.1-r7-s2 15.1-r7-s2.x
juniper / junos 15.1-r7-s3 15.1-r7-s3.x
juniper / junos 17.4-r2-s2 17.4-r2-s2.x
juniper / junos 17.4-r1-s1 17.4-r1-s1.x
juniper / junos 18.3-r1-s1 18.3-r1-s1.x
juniper / junos 17.4-r1-s2 17.4-r1-s2.x
juniper / junos 18.3-r2 18.3-r2.x
juniper / junos 18.3-r1 18.3-r1.x
juniper / junos 17.4-r3 17.4-r3.x
juniper / junos 17.4-r2-s1 17.4-r2-s1.x
juniper / junos 15.1-f6-s2 15.1-f6-s2.x
juniper / junos 15.1-f6-s1 15.1-f6-s1.x
juniper / junos 15.1-f6-s5 15.1-f6-s5.x
juniper / junos 15.1-f6-s6 15.1-f6-s6.x
juniper / junos 18.4-r1 18.4-r1.x
juniper / junos 17.4 17.4.x
juniper / junos 15.1 15.1.x
juniper / junos 18.3-r1-s2 18.3-r1-s2.x
juniper / junos 18.3 18.3.x
juniper / junos 18.4 18.4.x
juniper / junos 17.4-r1-s5 17.4-r1-s5.x
juniper / junos 17.4-r1-s7 17.4-r1-s7.x
juniper / junos 17.4-r1-s4 17.4-r1-s4.x
juniper / junos 18.4-r1-s1 18.4-r1-s1.x
juniper / junos 17.4-r2-s3 17.4-r2-s3.x
juniper / junos 17.4-r2-s4 17.4-r2-s4.x
juniper / junos 17.4-r1-s6 17.4-r1-s6.x
juniper / junos 18.3-r1-s3 18.3-r1-s3.x
juniper / junos 18.3-r1-s4 18.3-r1-s4.x
juniper / junos 18.4-r1-s3 18.4-r1-s3.x
juniper / junos 18.4-r1-s4 18.4-r1-s4.x
juniper / junos 18.4-r1-s2 18.4-r1-s2.x
juniper / junos 19.1-r1 19.1-r1.x
juniper / junos 19.1 19.1.x
juniper / junos 17.4-r2-s5 17.4-r2-s5.x
juniper / junos 17.4-r2-s6 17.4-r2-s6.x
juniper / junos 17.4-r2-s7 17.4-r2-s7.x
juniper / junos 19.2-r1 19.2-r1.x
juniper / junos 18.4-r2 18.4-r2.x
juniper / junos 19.1-r1-s1 19.1-r1-s1.x
juniper / junos 19.1-r1-s3 19.1-r1-s3.x
juniper / junos 19.1-r1-s2 19.1-r1-s2.x
juniper / junos 15.1-r7-s4 15.1-r7-s4.x
juniper / junos 15.1-r7-s5 15.1-r7-s5.x
juniper / junos 18.4-r1-s5 18.4-r1-s5.x
juniper / junos 15.1-f6-s12 15.1-f6-s12.x
juniper / junos 19.2-r1-s1 19.2-r1-s1.x
juniper / junos 19.2-r1-s2 19.2-r1-s2.x
juniper / junos 18.3-r1-s5 18.3-r1-s5.x
juniper / junos 18.3-r2-s1 18.3-r2-s1.x
juniper / junos 18.3-r2-s2 18.3-r2-s2.x
juniper / junos 17.4-r2-s8 17.4-r2-s8.x
juniper / junos 18.4-r2-s1 18.4-r2-s1.x
juniper / junos 19.3 19.3.x
juniper / junos 19.3-r1 19.3-r1.x
juniper / junos 19.2 19.2.x
juniper / junos 18.4-r2-s2 18.4-r2-s2.x
juniper / junos 18.3-r1-s6 18.3-r1-s6.x
juniper / junos 19.2-r1-s3 19.2-r1-s3.x
juniper / junos 18.3-r3 18.3-r3.x
juniper / junos 19.4-r1 19.4-r1.x
juniper / junos 19.3-r2 19.3-r2.x
juniper / junos 19.1-r2 19.1-r2.x
juniper / junos 18.4-r3 18.4-r3.x
juniper / junos 18.4-r2-s3 18.4-r2-s3.x
juniper / junos 18.3-r3-s1 18.3-r3-s1.x
juniper / junos 19.3-r2-s1 19.3-r2-s1.x
juniper / junos 19.3-r1-s1 19.3-r1-s1.x
juniper / junos 19.2-r1-s4 19.2-r1-s4.x
juniper / junos 20.1-r1 20.1-r1.x
juniper / junos 19.4-r1-s1 19.4-r1-s1.x
juniper / junos 19.3-r2-s2 19.3-r2-s2.x
juniper / junos 19.1-r1-s4 19.1-r1-s4.x
juniper / junos 18.4-r1-s6 18.4-r1-s6.x
juniper / junos 18.3-r2-s3 18.3-r2-s3.x
juniper / junos 17.4-r3-s1 17.4-r3-s1.x
juniper / junos 17.4-r2-s9 17.4-r2-s9.x
juniper / junos 17.4-r2-s10 17.4-r2-s10.x
juniper / junos 15.1-r7-s7 15.1-r7-s7.x
juniper / junos 18.4-r3-s2 18.4-r3-s2.x
juniper / junos 18.4-r3-s1 18.4-r3-s1.x
juniper / junos 18.4-r2-s4 18.4-r2-s4.x
juniper / junos 19.1-r2-s1 19.1-r2-s1.x
juniper / junos 19.1-r3 19.1-r3.x
juniper / junos 19.1-r3-s1 19.1-r3-s1.x
juniper / junos 15.1-r7-s6 15.1-r7-s6.x
juniper / junos 19.4-r1-s2 19.4-r1-s2.x
juniper / junos 20.1-r1-s1 20.1-r1-s1.x
juniper / junos 17.4-r3-s2 17.4-r3-s2.x
juniper / junos 17.4-r3-s3 17.4-r3-s3.x
juniper / junos 20.2-r1 20.2-r1.x
juniper / junos 20.1-r1-s2 20.1-r1-s2.x
juniper / junos 20.1-r1-s3 20.1-r1-s3.x
juniper / junos 19.4-r2 19.4-r2.x
juniper / junos 19.4-r2-s1 19.4-r2-s1.x
juniper / junos 19.3-r2-s3 19.3-r2-s3.x
juniper / junos 19.1-r3-s2 19.1-r3-s2.x
juniper / junos 18.4-r3-s3 18.4-r3-s3.x
juniper / junos 18.4-r3-s4 18.4-r3-s4.x
juniper / junos 18.3-r3-s2 18.3-r3-s2.x
juniper / junos 19.2-r2 19.2-r2.x
juniper / junos 17.4-r2-s11 17.4-r2-s11.x
juniper / junos 18.3-r2-s4 18.3-r2-s4.x
juniper / junos 19.3-r2-s4 19.3-r2-s4.x
juniper / junos 18.3-r3-s3 18.3-r3-s3.x
juniper / junos 20.2-r1-s1 20.2-r1-s1.x
juniper / junos 20.2-r1-s2 20.2-r1-s2.x
juniper / junos 19.4-r2-s2 19.4-r2-s2.x
juniper / junos 19.2-r3 19.2-r3.x
juniper / junos 18.4-r3-s5 18.4-r3-s5.x
juniper / junos 19.4-r3 19.4-r3.x
juniper / junos 19.3-r2-s5 19.3-r2-s5.x
juniper / junos 19.3-r3 19.3-r3.x
juniper / junos 19.2-r1-s5 19.2-r1-s5.x
juniper / junos 19.1-r3-s3 19.1-r3-s3.x
juniper / junos 18.4-r2-s5 18.4-r2-s5.x
juniper / junos 18.4-r2-s6 18.4-r2-s6.x
juniper / junos 15.1-r7-s8 15.1-r7-s8.x
juniper / junos 19.1-r1-s5 19.1-r1-s5.x
juniper / junos 18.4-r1-s7 18.4-r1-s7.x
juniper / junos 20.3-r1 20.3-r1.x
juniper / junos 19.2-r2-s1 19.2-r2-s1.x
juniper / junos 20.1-r1-s4 20.1-r1-s4.x
juniper / junos 19.1-r3-s4 19.1-r3-s4.x
juniper / junos 18.4-r3-s6 18.4-r3-s6.x
juniper / junos 18.3-r3-s4 18.3-r3-s4.x
juniper / junos 20.3-r1-s1 20.3-r1-s1.x
juniper / junos 20.2-r1-s3 20.2-r1-s3.x
juniper / junos 19.2-r3-s1 19.2-r3-s1.x
juniper / junos 18.4-r3-s7 18.4-r3-s7.x
juniper / junos 17.4-r2-s12 17.4-r2-s12.x
juniper / junos 19.4-r3-s1 19.4-r3-s1.x
juniper / junos 19.4-r2-s3 19.4-r2-s3.x
juniper / junos 20.2-r2 20.2-r2.x
juniper / junos 20.2-r2-s1 20.2-r2-s1.x
juniper / junos 17.4-r3-s4 17.4-r3-s4.x
juniper / junos 19.4-r1-s3 19.4-r1-s3.x
juniper / junos 19.2-r1-s6 19.2-r1-s6.x
juniper / junos 19.1-r2-s2 19.1-r2-s2.x
juniper / junos 20.4-r1 20.4-r1.x
juniper / junos 20.2-r2-s2 20.2-r2-s2.x
juniper / junos 20.1-r2 20.1-r2.x
juniper / junos 20.1-r2-s1 20.1-r2-s1.x
juniper / junos_os_evolved 20.4-r1 20.4-r1.x
juniper / junos 20.4-r1-s1 20.4-r1-s1.x
juniper / junos 19.1-r1-s6 19.1-r1-s6.x
juniper / junos 20.2-r2-s3 20.2-r2-s3.x
juniper / junos 20.3-r2 20.3-r2.x
juniper / junos 19.3-r3-s1 19.3-r3-s1.x
juniper / junos 18.4-r2-s7 18.4-r2-s7.x
juniper / junos 21.1-r1 21.1-r1.x
juniper / junos 20.4-r2 20.4-r2.x
juniper / junos 20.3-r2-s1 20.3-r2-s1.x
juniper / junos 20.2-r3 20.2-r3.x
juniper / junos 20.2-r3-s1 20.2-r3-s1.x
juniper / junos 20.1-r3 20.1-r3.x
juniper / junos 19.4-r3-s2 19.4-r3-s2.x
juniper / junos 19.4-r3-s3 19.4-r3-s3.x
juniper / junos 19.4-r3-s4 19.4-r3-s4.x
juniper / junos 19.3-r3-s2 19.3-r3-s2.x
juniper / junos 19.2-r3-s2 19.2-r3-s2.x
juniper / junos 18.4-r2-s8 18.4-r2-s8.x
juniper / junos 19.1-r3-s5 19.1-r3-s5.x
juniper / junos 18.4-r3-s8 18.4-r3-s8.x
juniper / junos 15.1-r7-s9 15.1-r7-s9.x
juniper / junos_os_evolved 21.1-r1 21.1-r1.x
juniper / junos_os_evolved 21.1-r2 21.1-r2.x
juniper / junos 19.4-r2-s4 19.4-r2-s4.x
juniper / junos_os_evolved 21.1-r1-s1 21.1-r1-s1.x
juniper / junos_os_evolved 21.1 21.1.x
juniper / junos_os_evolved 20.4-r1-s1 20.4-r1-s1.x
juniper / junos_os_evolved 20.4-r1-s2 20.4-r1-s2.x
juniper / junos_os_evolved 20.4-r2 20.4-r2.x
juniper / junos_os_evolved 20.4-r2-s1 20.4-r2-s1.x
juniper / junos_os_evolved 20.4-r2-s2 20.4-r2-s2.x
juniper / junos_os_evolved - 20.3.x
juniper / junos 19.4-r3-s5 19.4-r3-s5.x