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CVE-2023-20079

Cisco IP Phone 6800, 7800, 7900, and 8800 Series Web UI Vulnerabilities

HIGH
7.5
CVSS Score
Published: March 3, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:29 AM UTC
43 products affected across 1 vendorIP Phone 8861 FirmwareIP Phone 8865 FirmwareIP Phone 8811 Firmware

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Severity
HIGH7.5
Exploit prediction
EPSS 10%
SSVC
No known exploit

Description

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 these vulnerabilities, see the Details section of this advisory.

Affected

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

IP Phone 6825 Firmware· Cisco
95%
v < 11.3.7sr1
Affected range stops below 11.3.7sr1, so it looks safe — our inference, not a vendor statement
cisco-ip-phone-6825 (same device)
IP Phone 6841 Firmware· Cisco
95%
v < 11.3.7sr1
Affected range stops below 11.3.7sr1, so it looks safe — our inference, not a vendor statement
cisco-ip-phone-6841 (same device)
IP Phone 6851 Firmware· Cisco
95%
v < 11.3.7sr1
Affected range stops below 11.3.7sr1, so it looks safe — our inference, not a vendor statement
cisco-ip-phone-6851 (same device)
IP Phone 6861 Firmware· Cisco
95%
v < 11.3.7sr1
Affected range stops below 11.3.7sr1, so it looks safe — our inference, not a vendor statement
cisco-ip-phone-6861 (same device)
IP Phone 6871 Firmware· Cisco
95%
v < 11.3.7sr1
Affected range stops below 11.3.7sr1, so it looks safe — our inference, not a vendor statement
cisco-ip-phone-6871 (same device)
IP Phone 7811 Firmware· Cisco
95%
v < 11.3.7sr1
Affected range stops below 11.3.7sr1, so it looks safe — our inference, not a vendor statement
cisco-ip-phone-7811 (same device)
IP Phone 7821 Firmware· Cisco
95%
v < 11.3.7sr1
Affected range stops below 11.3.7sr1, so it looks safe — our inference, not a vendor statement
cisco-ip-phone-7821 (same device)
IP Phone 7832 Firmware· Cisco
95%
v < 11.3.7sr1
Affected range stops below 11.3.7sr1, so it looks safe — our inference, not a vendor statement
cisco-ip-phone-7832 (same device)
IP Phone 7841 Firmware· Cisco
95%
v < 11.3.7sr1
Affected range stops below 11.3.7sr1, so it looks safe — our inference, not a vendor statement
cisco-ip-phone-7841 (same device)
IP Phone 7861 Firmware· Cisco
95%
v < 11.3.7sr1
Affected range stops below 11.3.7sr1, so it looks safe — our inference, not a vendor statement
cisco-ip-phone-7861 (same device)

Remediation

No guide yet

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

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ip-phone-cmd-inj-KMFynVcP

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

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

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-121CWE-787

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