What is CVE-2024-20433?

CVE-2024-20433 is a high-severity vulnerability in Cisco Ios Xe Software, classified under Stack-based Buffer Overflow. CVSS score: 8.6/10. Published 2024-09-25.

How severe is CVE-2024-20433?

High severity. CVSS v3 base score is 8.6 out of 10.

Is CVE-2024-20433 known to be exploited?

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

Buffer overflow in Cisco Ios Xe Software

CVE-2024-20433

A vulnerability in the Resource Reservation Protocol (RSVP) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial o…

Vulnerability class: Buffer Overflow

EPSS: 0.011 (78.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Cisco Ios Xe Software — versions 3.7.0S, 3.7.1S, 3.7.2S
Cisco Ios — versions 12.0(24)S, 12.0(25)S, 12.0(26)S

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

Public proof-of-concept exploits

References

cisco-sa-rsvp-dos-OypvgVZf

Frequently asked questions

What is CVE-2024-20433?: CVE-2024-20433 is a high-severity vulnerability in Cisco Ios Xe Software, classified under Stack-based Buffer Overflow. CVSS score: 8.6/10. Published 2024-09-25.
How severe is CVE-2024-20433?: High severity. CVSS v3 base score is 8.6 out of 10.
Is CVE-2024-20433 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.