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High severity7.5NVD Advisory· Published Apr 8, 2020· Updated Jun 17, 2026

CVE-2020-1626

CVE-2020-1626

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Juniper Networks/OS Evolved3 versions
    cpe:2.3:o:juniper:junos_os_evolved:18.3:r1:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:juniper:junos_os_evolved:18.3:r1:*:*:*:*:*:*
    • (no CPE)range: <19.1R1-EVO
    • (no CPE)range: unspecified

Patches

Vulnerability mechanics

References

2

News mentions

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