CVE-2021-3053 — Improper Handling of Exceptional Conditions in Palo Alto Networks Pan-os

CWE-755 — Improper Handling of Exceptional Conditions4 documents4 sources
Severity
7.5HIGHNVD
EPSS
0.3%
top 44.14%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Palo Alto Networks Pan-osPaloaltonetworks Pan-osPaloalto Pan-os
Timeline
PublishedSep 8
Latest updateMay 24

Description

An improper handling of exceptional conditions vulnerability exists in the Palo Alto Networks PAN-OS dataplane that enables an unauthenticated network-based attacker to send specifically crafted traffic through 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 e…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶NVDpaloaltonetworks/pan-os8.1.0 — 8.1.20+3
▶CVEListV5palo_alto_networks/pan-os8.1 — 8.1.20+3
▶Palo Altopaloalto/pan-os

🔴Vulnerability Details

2
GHSA
GHSA-34w2-p277-pp7p: An improper handling of exceptional conditions vulnerability exists in the Palo Alto Networks PAN-OS dataplane that enables an unauthenticated network↗2022-05-24
▶
CVEList
PAN-OS: Exceptional Condition Denial-of-Service (DoS)↗2021-09-08
▶

📋Vendor Advisories

1
Palo Alto
PAN-OS: Exceptional Condition Denial-of-Service (DoS)↗2021-09-08
▶
CVE-2021-3053 — Palo Alto Networks Pan-os vulnerability | cvebase