What is CVE-2023-20078?

CVE-2023-20078 is a critical-severity vulnerability in Cisco Ip Phones With Multiplatform Firmware, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2023-03-03.

How severe is CVE-2023-20078?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2023-20078 known to be exploited?

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

Buffer overflow in Cisco Ip Phones With Multiplatform Firmware

CVE-2023-20078

Multiple vulnerabilities in the web-based management interface of certain Cisco IP Phones could allow an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service (DoS) condition. For more information about th…

Vulnerability class: Buffer Overflow

EPSS: 0.058 (90.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Cisco Ip Phones With Multiplatform Firmware — versions n/a

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

20230302 Cisco IP Phone 6800, 7800, 7900, and 8800 Series Web UI Vulnerabilities (vendor-advisory)

Frequently asked questions

What is CVE-2023-20078?: CVE-2023-20078 is a critical-severity vulnerability in Cisco Ip Phones With Multiplatform Firmware, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2023-03-03.
How severe is CVE-2023-20078?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-20078 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.