What is CVE-2024-20496?

CVE-2024-20496 is a medium-severity vulnerability in Cisco Sd-wan Vedge Cloud, classified under Out-of-bounds Write. CVSS score: 6.1/10. Published 2024-09-25.

How severe is CVE-2024-20496?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2024-20496 known to be exploited?

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

Buffer overflow in Cisco Sd-wan Vedge Cloud

CVE-2024-20496

A vulnerability in the UDP packet validation code of Cisco SD-WAN vEdge Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected system. This vulnerability is due to incorrec…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (17.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Cisco Sd-wan Vedge Cloud — versions 19.2.1, 20.1.12, 18.4.4
Cisco Sd-wan Vedge Router — versions 18.4.303, 18.3.7, 19.3.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cisco-sa-sdw-vedos-KqFfhps3

Frequently asked questions

What is CVE-2024-20496?: CVE-2024-20496 is a medium-severity vulnerability in Cisco Sd-wan Vedge Cloud, classified under Out-of-bounds Write. CVSS score: 6.1/10. Published 2024-09-25.
How severe is CVE-2024-20496?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2024-20496 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.