CVE-2021-3063 — Improper Handling of Exceptional Conditions in Palo Alto Networks Pan-os

CWE-755 — Improper Handling of Exceptional Conditions4 documents4 sources
Severity
7.5HIGHNVD
EPSS
0.4%
top 37.26%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Palo Alto Networks Pan-osPaloaltonetworks Pan-osPaloalto Pan-os+1 more
Timeline
PublishedNov 10
Latest updateMay 24

Description

An improper handling of exceptional conditions vulnerability exists in Palo Alto Networks GlobalProtect portal and gateway interfaces that enables an unauthenticated network-based attacker to send specifically crafted traffic to a GlobalProtect interface that causes the service to stop responding. 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 …

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 Packages4 packages

▶NVDpaloaltonetworks/pan-os8.1.0 — 8.1.21+4
▶CVEListV5palo_alto_networks/pan-os8.1 — 8.1.21+4
▶Palo Altopaloalto/pan-os

🔴Vulnerability Details

2
GHSA
GHSA-2h4v-5pj9-9hm9: An improper handling of exceptional conditions vulnerability exists in Palo Alto Networks GlobalProtect portal and gateway interfaces that enables an↗2022-05-24
▶
CVEList
PAN-OS: Denial-of-Service (DoS) Vulnerability in GlobalProtect Portal and Gateway Interfaces↗2021-11-10
▶

📋Vendor Advisories

1
Palo Alto
PAN-OS: Denial-of-Service (DoS) Vulnerability in GlobalProtect Portal and Gateway Interfaces↗2021-11-10
▶
CVE-2021-3063 — Palo Alto Networks Pan-os vulnerability | cvebase