Cisco IP Phone 6800/IP Phone 7800/IP Phone 8800 denial of service

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco IP Phone 6800, IP Phone 7800 and IP Phone 8800. It has been classified as problematic. This impacts an unknown function. The manipulation leads to denial of service. This vulnerability is listed as CVE-2023-20079. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Cisco IP Phone 6800, IP Phone 7800 and IP Phone 8800 (IP Phone Software) (unknown version) and classified as critical. This issue affects an unknown code block. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was presented 03/01/2023 as cisco-sa-ip-phone-cmd-inj-KMFynVcP. It is possible to read the advisory at sec.cloudapps.cisco.com. The identification of this vulnerability is CVE-2023-20079 since 10/27/2022. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-24258). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/27/2022 🔍
03/01/2023 +125 days 🔍
03/01/2023 +0 days 🔍
08/21/2025 +904 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-ip-phone-cmd-inj-KMFynVcP
Status: Confirmed

CVE: CVE-2023-20079 (🔍)
GCVE (CVE): GCVE-0-2023-20079
GCVE (VulDB): GCVE-100-222143
EUVD: 🔍

Entryinfo

Created: 03/01/2023 22:06
Updated: 08/21/2025 15:05
Changes: 03/01/2023 22:06 (38), 03/30/2023 10:34 (1), 08/21/2025 15:05 (16)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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