CVE-2024-20376

HIGH
7.5
CVSS Score
Published: May 1, 2024 at 04:43 PM UTC
Updated: June 17, 2026 at 07:06 AM UTC
34 products affected across 1 vendorIP Phone 7861IP Phone 7841IP Phone 7811

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Severity
HIGH7.5
Exploit prediction
EPSS 0.9%
SSVC
No known exploit

Description

A vulnerability in the web-based management interface of Cisco IP Phone firmware could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a DoS condition. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface of an affected device. A successful exploit could allow the attacker to cause the affected device to reload.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 12.0.4
v ≤ 12.0.4
v ≤ 12.0.4
v ≤ 12.0.4
v ≤ 12.0.4
v ≤ 12.0.4
v ≤ 12.0.4
v ≤ 12.0.4
cisco-ip-phone-7832 (same device)
v ≤ 12.0.4
v ≤ 12.0.4

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHcisco
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-787

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