CVE-2021-3055: paloaltonetworks pan-os

csirt@kutim:~/threat-intel/cve/CVE-2021-3055

CVSS 6.5 · Medium EPSS 1,1%

Kerentanan Improper Restriction of XML External Entity Reference pada paloaltonetworks pan-os. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

An improper restriction of XML external entity (XXE) reference vulnerability in the Palo Alto Networks PAN-OS web interface enables an authenticated administrator to read any arbitrary file from the file system and send a specifically crafted request to the firewall that causes the service to crash. Repeated attempts to send this request result in denial of service to all PAN-OS services by restarting the device and putting it into maintenance mode. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.20; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.10; PAN-OS 10.0 versions earlier than PAN-OS 10.0.6. This issue does not affect Prisma Access.

Rincian

Terbit di NVD: 8 September 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 6.5 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-611: Improper Restriction of XML External Entity Reference
EPSS (30 hari): 1,1% peluang dieksploitasi; lebih tinggi dari 64,0% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
paloaltonetworks	pan-os	Versi 8.1.0 hingga sebelum 8.1.20
paloaltonetworks	pan-os	Versi 9.0.0 hingga sebelum 9.0.14
paloaltonetworks	pan-os	Versi 9.1.0 hingga sebelum 9.1.10
paloaltonetworks	pan-os	Versi 10.0.0 hingga sebelum 10.0.6

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://security.paloaltonetworks.com/CVE-2021-3055 advisory vendor

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.