Vulnerability in Juniper Junos OS Evolved
CVE-2020-1626
A vulnerability in Juniper Networks Junos OS Evolved may allow an attacker to cause a Denial of Service (DoS) by sending a high rate of specific packets to the device, resulting in a pfemand process crash. The pfemand process is responsible for packet forwarding on the device. By continuously sending the packet flood, an attacker can repeatedly crash the pfemand process causing a sustained Denial of Service. This issue can only be triggered by traffic sent to the device. Transit traffic does not cause this issue. This issue affects all version of Junos OS Evolved prior to 19.1R1-EVO.
EPSS: 0.013 (68.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Juniper Junos_os_evolved — versions 18.3
- Juniper Networks Junos Os Evolved — versions unspecified
References
- sirt@juniper.net (Third Party Advisory, x_refsource_MISC)
- sirt@juniper.net (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-1626?
- CVE-2020-1626 is a high-severity vulnerability in Juniper Junos OS Evolved. CVSS score: 7.5/10. Published 2020-04-08.
- How severe is CVE-2020-1626?
- High severity. CVSS v3 base score is 7.5 out of 10.