Vulnerability Database

296,202

Total vulnerabilities in the database

CVE-2021-31370

An Incomplete List of Disallowed Inputs vulnerability in Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on QFX5000 Series and EX4600 Series allows an adjacent unauthenticated attacker which sends a high rate of specific multicast traffic to cause control traffic received from the network to be dropped. This will impact control protocols (including but not limited to routing-protocols) and lead to a Denial of Service (DoS). Continued receipt of this specific multicast traffic will create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS on QFX5000 and EX4600 Series: All versions prior to 17.3R3-S12; 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 19.4R1-S4, 19.4R3-S3; 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-S2, 20.4R3; 21.1 versions prior to 21.1R1-S1, 21.1R2.

  • Published: Oct 19, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-31370
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.5
  • AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Low
  • Score: 3.3
  • AV:A/AC:L/Au:N/C:N/I:N/A:P

No CWE or OWASP classifications available.

Software From Fixed in
juniper / junos 17.3-r1 17.3-r1.x
juniper / junos 17.3-r2 17.3-r2.x
juniper / junos 17.3-r2-s2 17.3-r2-s2.x
juniper / junos 17.3-r3 17.3-r3.x
juniper / junos 17.3-r1-s4 17.3-r1-s4.x
juniper / junos 17.3-r3-s1 17.3-r3-s1.x
juniper / junos 17.3-r3-s2 17.3-r3-s2.x
juniper / junos 17.3-r2-s1 17.3-r2-s1.x
juniper / junos 17.3 17.3.x
juniper / junos 17.3-r3-s3 17.3-r3-s3.x
juniper / junos 17.3-r3-s4 17.3-r3-s4.x
juniper / junos 17.3-r3-s5 17.3-r3-s5.x
juniper / junos 17.3-r3-s6 17.3-r3-s6.x
juniper / junos 17.3-r2-s3 17.3-r2-s3.x
juniper / junos 17.3-r1-s1 17.3-r1-s1.x
juniper / junos 17.3-r2-s4 17.3-r2-s4.x
juniper / junos 17.3-r3-s7 17.3-r3-s7.x
juniper / junos 17.3-r2-s5 17.3-r2-s5.x
juniper / junos 17.3-r3-s8 17.3-r3-s8.x
juniper / junos 17.3-r3-s9 17.3-r3-s9.x
juniper / junos 17.3-r3-s10 17.3-r3-s10.x
juniper / junos 17.3-r3-s11 17.3-r3-s11.x
juniper / junos 17.4-r3-s4 17.4-r3-s4.x
juniper / junos 17.4-r2-s11 17.4-r2-s11.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 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 17.4-r2-s8 17.4-r2-s8.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 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 17.4-r1-s7 17.4-r1-s7.x
juniper / junos 17.4-r1-s4 17.4-r1-s4.x
juniper / junos 17.4-r3 17.4-r3.x
juniper / junos 17.4-r2-s1 17.4-r2-s1.x
juniper / junos 17.4 17.4.x
juniper / junos 17.4-r1-s5 17.4-r1-s5.x
juniper / junos 17.4-r1-s2 17.4-r1-s2.x
juniper / junos 17.4-r1-s3 17.4-r1-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 17.4-r1 17.4-r1.x
juniper / junos 17.4-r2 17.4-r2.x
juniper / junos 17.4-r2-s12 17.4-r2-s12.x
juniper / junos 17.4-r2-s13 17.4-r2-s13.x
juniper / junos 18.3-r 18.3-r.x
juniper / junos 18.3-r1-s1 18.3-r1-s1.x
juniper / junos 18.3-r2 18.3-r2.x
juniper / junos 18.3-r1 18.3-r1.x
juniper / junos 18.3-r1-s2 18.3-r1-s2.x
juniper / junos 18.3 18.3.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 18.3-r3-s1 18.3-r3-s1.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 18.3-r1-s5 18.3-r1-s5.x
juniper / junos 18.3-r1-s6 18.3-r1-s6.x
juniper / junos 18.3-r3 18.3-r3.x
juniper / junos 18.3-r2-s3 18.3-r2-s3.x
juniper / junos 18.3-r2-s4 18.3-r2-s4.x
juniper / junos 18.3-r3-s2 18.3-r3-s2.x
juniper / junos 18.3-r3-s4 18.3-r3-s4.x
juniper / junos 18.3-r3-s3 18.3-r3-s3.x
juniper / junos 18.4-r3-s5 18.4-r3-s5.x
juniper / junos 18.4-r1-s7 18.4-r1-s7.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 18.4-r3-s6 18.4-r3-s6.x
juniper / junos 18.4-r3-s7 18.4-r3-s7.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 18.4-r1-s6 18.4-r1-s6.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 18.4-r2-s2 18.4-r2-s2.x
juniper / junos 18.4-r3 18.4-r3.x
juniper / junos 18.4-r2-s3 18.4-r2-s3.x
juniper / junos 18.4-r2 18.4-r2.x
juniper / junos 18.4-r2-s1 18.4-r2-s1.x
juniper / junos 18.4-r1-s5 18.4-r1-s5.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 18.4-r1 18.4-r1.x
juniper / junos 18.4-r1-s1 18.4-r1-s1.x
juniper / junos 18.4 18.4.x
juniper / junos 18.4-r3-s10 18.4-r3-s10.x
juniper / junos 18.4-r2-s8 18.4-r2-s8.x
juniper / junos 18.4-r3-s8 18.4-r3-s8.x
juniper / junos 18.4-r2-s7 18.4-r2-s7.x
juniper / junos 19.1-r2-s2 19.1-r2-s2.x
juniper / junos 19.1-r1-s6 19.1-r1-s6.x
juniper / junos 19.1-r3-s5 19.1-r3-s5.x
juniper / junos 19.1-r2-s3 19.1-r2-s3.x
juniper / junos 19.1-r1 19.1-r1.x
juniper / junos 19.1 19.1.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 19.1-r2 19.1-r2.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 19.1-r1-s4 19.1-r1-s4.x
juniper / junos 19.1-r3-s3 19.1-r3-s3.x
juniper / junos 19.1-r3-s4 19.1-r3-s4.x
juniper / junos 19.1-r1-s5 19.1-r1-s5.x
juniper / junos 19.1-r3-s2 19.1-r3-s2.x
juniper / junos 19.2-r3 19.2-r3.x
juniper / junos 19.2-r1-s5 19.2-r1-s5.x
juniper / junos 19.2-r2-s1 19.2-r2-s1.x
juniper / junos 19.2-r3-s1 19.2-r3-s1.x
juniper / junos 19.2-r1-s4 19.2-r1-s4.x
juniper / junos 19.2-r2 19.2-r2.x
juniper / junos 19.2-r1-s3 19.2-r1-s3.x
juniper / junos 19.2 19.2.x
juniper / junos 19.2-r1 19.2-r1.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 19.2-r3-s2 19.2-r3-s2.x
juniper / junos 19.2-r1-s6 19.2-r1-s6.x
juniper / junos 19.3-r3-s1 19.3-r3-s1.x
juniper / junos 19.3-r3-s2 19.3-r3-s2.x
juniper / junos 19.3 19.3.x
juniper / junos 19.3-r1 19.3-r1.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 19.3-r2 19.3-r2.x
juniper / junos 19.3-r2-s4 19.3-r2-s4.x
juniper / junos 19.3-r2-s3 19.3-r2-s3.x
juniper / junos 19.3-r2-s2 19.3-r2-s2.x
juniper / junos 19.3-r2-s5 19.3-r2-s5.x
juniper / junos 19.3-r3 19.3-r3.x
juniper / junos 19.4-r3 19.4-r3.x
juniper / junos 19.4-r2-s2 19.4-r2-s2.x
juniper / junos 19.4-r1-s3 19.4-r1-s3.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 19.4-r1-s1 19.4-r1-s1.x
juniper / junos 19.4-r1-s2 19.4-r1-s2.x
juniper / junos 19.4-r2 19.4-r2.x
juniper / junos 19.4-r2-s1 19.4-r2-s1.x
juniper / junos 19.4-r1 19.4-r1.x
juniper / junos 19.4-r3-s2 19.4-r3-s2.x
juniper / junos 19.4-r2-s5 19.4-r2-s5.x
juniper / junos 19.4-r2-s4 19.4-r2-s4.x
juniper / junos 20.1-r3 20.1-r3.x
juniper / junos 20.1-r2 20.1-r2.x
juniper / junos 20.1-r2-s1 20.1-r2-s1.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 20.1-r1-s1 20.1-r1-s1.x
juniper / junos 20.1-r1 20.1-r1.x
juniper / junos 20.1-r1-s4 20.1-r1-s4.x
juniper / junos 20.2-r1-s3 20.2-r1-s3.x
juniper / junos 20.2-r2 20.2-r2.x
juniper / junos 20.2-r2-s1 20.2-r2-s1.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 20.2-r1 20.2-r1.x
juniper / junos 20.2-r2-s3 20.2-r2-s3.x
juniper / junos 20.2-r2-s2 20.2-r2-s2.x
juniper / junos 20.2-r3 20.2-r3.x
juniper / junos 20.2-r3-s1 20.2-r3-s1.x
juniper / junos 20.3-r2-s1 20.3-r2-s1.x
juniper / junos 20.3-r2 20.3-r2.x
juniper / junos 20.3-r1 20.3-r1.x
juniper / junos 20.3-r1-s1 20.3-r1-s1.x
juniper / junos 20.4-r1-s1 20.4-r1-s1.x
juniper / junos 20.4-r1 20.4-r1.x
juniper / junos 20.4-r2 20.4-r2.x
juniper / junos 20.4-r2-s1 20.4-r2-s1.x
juniper / junos 21.1-r1 21.1-r1.x