Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-31377

An Incorrect Permission Assignment for Critical Resource vulnerability of a certain file in the filesystem of Junos OS allows a local authenticated attacker to cause routing process daemon (RPD) to crash and restart, causing a Denial of Service (DoS). Repeated actions by the attacker will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS: 15.1 versions prior to 15.1R7-S9; 17.3 versions prior to 17.3R3-S12; 17.4 versions prior to 17.4R2-S13, 17.4R3-S5; 18.1 versions prior to 18.1R3-S13; 18.2 versions prior to 18.2R3-S8; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R2-S8, 18.4R3-S7; 19.1 versions prior to 19.1R2-S3, 19.1R3-S5; 19.2 versions prior to 19.2R3-S2; 19.3 versions prior to 19.3R2-S6, 19.3R3-S2; 19.4 versions prior to 19.4R1-S4, 19.4R2-S4, 19.4R3-S2; 20.1 versions prior to 20.1R2-S2, 20.1R3; 20.2 versions prior to 20.2R2-S3, 20.2R3; 20.3 versions prior to 20.3R3; 20.4 versions prior to 20.4R1-S1, 20.4R2.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 7.8%
CVSS Severity
CVSS v3 Score 5.5
CVSS v2 Score 2.1
Products affected by CVE-2021-31377
  • Juniper » Junos » Version: 15.1
    cpe:2.3:o:juniper:junos:15.1
  • Juniper » Junos » Version: 17.3
    cpe:2.3:o:juniper:junos:17.3
  • Juniper » Junos » Version: 17.4
    cpe:2.3:o:juniper:junos:17.4
  • Juniper » Junos » Version: 18.1
    cpe:2.3:o:juniper:junos:18.1
  • Juniper » Junos » Version: 18.2
    cpe:2.3:o:juniper:junos:18.2
  • Juniper » Junos » Version: 18.3
    cpe:2.3:o:juniper:junos:18.3
  • Juniper » Junos » Version: 18.4
    cpe:2.3:o:juniper:junos:18.4
  • Juniper » Junos » Version: 19.1
    cpe:2.3:o:juniper:junos:19.1
  • Juniper » Junos » Version: 19.2
    cpe:2.3:o:juniper:junos:19.2
  • Juniper » Junos » Version: 19.3
    cpe:2.3:o:juniper:junos:19.3
  • Juniper » Junos » Version: 19.4
    cpe:2.3:o:juniper:junos:19.4
  • Juniper » Junos » Version: 20.1
    cpe:2.3:o:juniper:junos:20.1
  • Juniper » Junos » Version: 20.2
    cpe:2.3:o:juniper:junos:20.2
  • Juniper » Junos » Version: 20.3
    cpe:2.3:o:juniper:junos:20.3
  • Juniper » Junos » Version: 20.4
    cpe:2.3:o:juniper:junos:20.4


Contact Us

Shodan ® - All rights reserved