CVE-2024-20357

MEDIUM
5.9
CVSS Score
Published: May 1, 2024 at 04:36 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
MEDIUM5.9
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

A vulnerability in the XML service of Cisco IP Phone firmware could allow an unauthenticated, remote attacker to initiate phone calls on an affected device. This vulnerability exists because bounds-checking does not occur while parsing XML requests. An attacker could exploit this vulnerability by sending a crafted XML request to an affected device. A successful exploit could allow the attacker to initiate calls or play sounds on the device.

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 exploitNot automatableTotal impact

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

CVSS

5.9MEDIUMcisco
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-787

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