Product by Cisco

    Cisco IP Phone 8865 Firmware 9.3(4)SR3

    24 known vulnerabilities in Cisco IP Phone 8865 Firmware 9.3(4)SR3 (Cisco), 1 of them actively exploited (CISA KEV).

    Key figures

    24

    Vulnerabilities

    1

    Actively exploited (KEV)

    0

    Used by ransomware

    3

    Critical

    Vulnerabilities

    Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.

    Vulnerabilities in Cisco IP Phone 8865 Firmware 9.3(4)SR3 (Cisco)
    CriticalCVE-2020-3161

    Cisco IP Phones Web Server Remote Code Execution and Denial of Service Vulnerability

    In CISA KEValso in 11 other products

    		9.8
    CriticalCVE-2023-20078

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

    also in 16 other products

    		9.8
    CriticalCVE-2023-20079

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

    also in 20 other products

    		9.8
    HighCVE-2022-20968

    Cisco Session Initiation Protocol (SIP) Software: Out-of-bounds Write

    also in 13 other products

    		8.1
    HighCVE-2020-3111

    Cisco IP Phone Remote Code Execution and Denial of Service Vulnerability

    also in 31 other products

    		8.8
    MediumCVE-2020-26139

    NetBSD: Denial of Service

    also in 168 other products

    		5.3
    MediumCVE-2020-26141

    Cisco IP Phone 8861 Firmware 11.0(4)SR2: security vulnerability

    also in 44 other products

    		6.5
    MediumCVE-2020-26140

    Siemens Scalance W788-2 Firmware: security vulnerability

    also in 175 other products

    		6.5
    HighCVE-2019-1635

    Cisco IP Phone 7800 Series and 8800 Series: Resource Management Errors

    also in 14 other products

    		7.5
    LowCVE-2020-24588

    Ieee 802.11: security vulnerability

    also in 166 other products

    		3.5
    LowCVE-2020-24587

    Ieee 802.11: security vulnerability

    also in 169 other products

    		2.6
    HighCVE-2019-1922

    Cisco IP Phone 7800 and 8800 Series Session Initiation Protocol Denial of Service Vulnerability

    also in 12 other products

    		5.3
    HighCVE-2023-20018

    Cisco Session Initiation Protocol (SIP) Software: Authentication Bypass Using an Alternate Path or Channel

    also in 19 other products

    		8.6
    HighCVE-2025-20350

    Cisco Session Initiation Protocol (SIP) Software: Stack-based Buffer Overflow

    also in 17 other products

    		7.5
    MediumCVE-2019-1684

    Cisco IP Phone 8800 Series Software: Resource Management Errors

    also in 14 other products

    		6.5
    MediumCVE-2019-16008

    Cisco IP Phone 6821 Firmware: Cross-site Scripting

    also in 17 other products

    		5.4
    HighCVE-2025-20336

    Cisco Session Initiation Protocol (SIP) Software: Exposure of Sensitive Information to an Unauthorized Actor

    also in 17 other products

    		5.3
    MediumCVE-2025-20351

    Cisco Session Initiation Protocol (SIP) Software: Cross-site Scripting

    also in 17 other products

    		6.1
    MediumCVE-2021-1379

    Cisco IP Phones with Multiplatform Firmware: Classic Buffer Overflow

    also in 36 other products

    		6.5
    HighCVE-2022-20774

    Cisco IP Phone 6825 Firmware: Insufficient Verification of Data Authenticity

    also in 16 other products

    		6.8
    MediumCVE-2025-20335

    Cisco Session Initiation Protocol (SIP) Software: Improper Access Control

    also in 17 other products

    		5.3
    MediumCVE-2021-33478

    Cisco IP Phone 8800 Firmware 10.3(1)sr4: Code Execution

    also in 13 other products

    		6.8
    MediumCVE-2021-34711

    Cisco IP Phone Software Arbitrary File Read Vulnerability

    also in 14 other products

    		5.5
    MediumCVE-2022-20660

    Cisco IP Phones Information Disclosure Vulnerability

    also in 18 other products

    		4.6

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