by Kastro
Paper/Archive/CVE-2021-21876

CVE-2021-21876

talos — Specially-crafted HTTP requests can lead to arbitrary command execution in PUT requests.

EPSS 3%CVSS 9.1
critical.is priorityof 100
45
CVSS 9.1 (CNA, NVD agree)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 86.4.864 × 2017.3No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

Specially-crafted HTTP requests can lead to arbitrary command execution in PUT requests. An attacker can make authenticated HTTP requests to trigger this vulnerability.

Affected

ProductAffectedFixed inSource
LantronixLantronix PremierWave 2050 8.9.0.0R4 (in QEMU)–CNA

Scores by source

NVD9.1CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
talos (CNA)9.1CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References

reftalosintelligence.com/vulnerability_reports/TALOS-2021-1315