Vulnerability in Palo Alto Networks Pan-Os
CVE-2021-3062
An improper access control vulnerability in PAN-OS software enables an attacker with authenticated access to GlobalProtect portals and gateways to connect to the EC2 instance metadata endpoint for VM-Series firewalls hosted on Amazon AWS. Exploitation of this vulnerability enables an attacker to perform any operations allowed by the EC2 role in AWS. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.20 VM-Series firewalls; PAN-OS 9.1 versions earlier than PAN-OS 9.1.11 VM-Series firewalls; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14 VM-Series firewalls; PAN-OS 10.0 versions earlier than PAN-OS 10.0.8 VM-Series firewalls. Prisma Access customers are not impacted by this issue.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.007 (52.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Palo Alto Networks Pan-Os — versions 10.1.*, 9.1, 8.1
- Palo Alto Networks Prisma Access — versions 2.1 all, 2.2 all
- Paloaltonetworks Pan-Os
- Paloaltonetworks Vm-Series Firewall
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security.paloaltonetworks.com/CVE-2021-3062 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-3062?
- CVE-2021-3062 is a high-severity vulnerability in Palo Alto Networks Pan-Os, classified under Improper Access Control. CVSS score: 8.1/10. Published 2021-11-10.
- How severe is CVE-2021-3062?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2021-3062 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.