5
CVSSv2

CVE-2021-0227

Published: 22/04/2021 Updated: 27/04/2021
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Vulnerability Summary

An improper restriction of operations within the bounds of a memory buffer vulnerability in Juniper Networks Junos OS J-Web on SRX Series devices allows an malicious user to cause Denial of Service (DoS) by sending certain crafted HTTP packets. Continued receipt and processing of these packets will create a sustained Denial of Service (DoS) condition. When this issue occurs, web-management, NTP daemon (ntpd) and Layer 2 Control Protocol process (L2CPD) daemons might crash. This issue affects Juniper Networks Junos OS on SRX Series: 17.3 versions before 17.3R3-S9; 17.4 versions before 17.4R2-S11, 17.4R3-S2; 18.2 versions before 18.2R3-S5; 18.3 versions before 18.3R2-S4, 18.3R3-S3; 18.4 versions before 18.4R2-S5, 18.4R3-S4; 19.1 versions before 19.1R3-S2; 19.2 versions before 19.2R1-S5, 19.2R3; 19.3 versions before 19.3R3; 19.4 versions before 19.4R2-S1, 19.4R3; 20.1 versions before 20.1R1-S2, 20.1R2;

Vulnerability Trend

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juniper junos 17.3

juniper junos 17.4

juniper junos 18.2

juniper junos 18.3

juniper junos 18.4

juniper junos 19.1

juniper junos 19.2

juniper junos 19.3

juniper junos 19.4

juniper junos 20.1