What is CVE-2024-20456?

CVE-2024-20456 is a medium-severity vulnerability in Cisco 8011-4g24y4h-i, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 6.7/10. Published 2024-07-10.

How severe is CVE-2024-20456?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Is CVE-2024-20456 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Cisco 8011-4g24y4h-i

CVE-2024-20456

A vulnerability in the boot process of Cisco IOS XR Software could allow an authenticated, local attacker with high privileges to bypass the Cisco Secure Boot functionality and load unverified software on an affected device. To exploit thi…

EPSS: 0.002 (8.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

psirt@cisco.com (Vendor Advisory)

Frequently asked questions

What is CVE-2024-20456?: CVE-2024-20456 is a medium-severity vulnerability in Cisco 8011-4g24y4h-i, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 6.7/10. Published 2024-07-10.
How severe is CVE-2024-20456?: Medium severity. CVSS v3 base score is 6.7 out of 10.
Is CVE-2024-20456 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.