Improper input validation in Juniper Junos
CVE-2020-1682
An input validation vulnerability exists in Juniper Networks Junos OS, allowing an attacker to crash the srxpfe process, causing a Denial of Service (DoS) through the use of specific maintenance commands. The srxpfe process restarts automatically, but continuous execution of the commands could lead to an extended Denial of Service condition. This issue only affects the SRX1500, SRX4100, SRX4200, NFX150, NFX250, and vSRX-based platforms. No other products or platforms are affected by this vulnerability. This issue affects Juniper Networks Junos OS: 15.1X49 versions prior to 15.1X49-D220 on SRX1500, SRX4100, SRX4200, vSRX; 17.4 versions prior to 17.4R3-S3 on SRX1500, SRX4100, SRX4200, vSRX; 18.1 versions prior to 18.1R3-S11 on SRX1500, SRX4100, SRX4200, vSRX, NFX150; 18.2 versions prior to 18.2R3-S5 on SRX1500, SRX4100, SRX4200, vSRX, NFX150, NFX250; 18.3 versions prior to 18.3R2-S4, 18.3R3-S3 on SRX1500, SRX4100, SRX4200, vSRX, NFX150, NFX250; 18.4 versions prior to 18.4R2-S5, 18.4R3-S4 on SRX1500, SRX4100, SRX4200, vSRX, NFX150, NFX250; 19.1 versions prior to 19.1R3-S2 on SRX1500, SRX4100, SRX4200, vSRX, NFX150, NFX250; 19.2 versions prior to 19.2R1-S5, 19.2R3 on SRX1500, SRX4100, SRX4200, vSRX, NFX150, NFX250. This issue does not affect Junos OS 19.3 or any subsequent version.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.003 (24.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Juniper Junos — versions 15.1x49, 17.4, 18.1
- Juniper Nfx150
- Juniper Nfx250
- Juniper Srx1500
- Juniper Srx4100
- Juniper Srx4200
- Juniper Vsrx
- Juniper Networks Junos Os — versions 15.1X49, 17.4, 18.1
Weakness classification (CWE)
References
- sirt@juniper.net (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-1682?
- CVE-2020-1682 is a medium-severity vulnerability in Juniper Junos, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2020-10-16.
- How severe is CVE-2020-1682?
- Medium severity. CVSS v3 base score is 5.5 out of 10.