Product by Cisco

    IOS Xe Sd-wan

    26 known vulnerabilities in IOS Xe Sd-wan (Cisco), 1 of them actively exploited (CISA KEV).

    Key figures

    26

    Vulnerabilities

    1

    Actively exploited (KEV)

    0

    Used by ransomware

    6

    Critical

    Vulnerabilities

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

    Vulnerabilities in IOS Xe Sd-wan (Cisco)
    CriticalCVE-2025-20352

    Cisco IOS and IOS XE Software SNMP Denial of Service and Remote Code Execution Vulnerability

    In CISA KEValso in 4 other products

    		7.7
    CriticalCVE-2020-3375

    Cisco SD-WAN Solution Software Buffer Overflow Vulnerability

    also in 1 other product

    		9.8
    CriticalCVE-2021-34727

    Cisco IOS XE SD-WAN Software Buffer Overflow Vulnerability

    		9.8
    CriticalCVE-2021-1300

    Cisco SD-WAN Buffer Overflow Vulnerabilities

    also in 4 other products

    		9.8
    CriticalCVE-2021-1301

    Cisco SD-WAN Buffer Overflow Vulnerabilities

    also in 4 other products

    		9.8
    CriticalCVE-2021-1619

    Cisco IOS XE Software NETCONF and RESTCONF Authentication Bypass Vulnerability

    also in 1 other product

    		9.8
    HighCVE-2021-1274

    Cisco SD-WAN Denial of Service Vulnerabilities

    also in 4 other products

    		8.6
    HighCVE-2021-1273

    Cisco SD-WAN Denial of Service Vulnerabilities

    also in 4 other products

    		8.6
    HighCVE-2021-1278

    Cisco SD-WAN Denial of Service Vulnerabilities

    also in 4 other products

    		8.6
    HighCVE-2021-1241

    Cisco SD-WAN Denial of Service Vulnerabilities

    also in 4 other products

    		8.6
    HighCVE-2021-1279

    Cisco SD-WAN Denial of Service Vulnerabilities

    also in 4 other products

    		8.6
    HighCVE-2021-1305

    Cisco SD-WAN vManage Authorization Bypass Vulnerabilities

    also in 3 other products

    		8.8
    HighCVE-2024-20455

    Cisco IOS XE Software: State Issues

    also in 3 other products

    		8.6
    MediumCVE-2021-1383

    Cisco IOS XE SD-WAN Software Parameter Injection Vulnerabilities

    also in 1 other product

    		6.0
    MediumCVE-2024-20373

    Cisco IOS and Cisco IOS XE SNMP Extended ACL Bypass Vulnerability

    also in 1 other product

    		5.3
    MediumCVE-2020-3216

    Cisco IOS XE SD-WAN Software Authentication Bypass Vulnerability

    		6.8
    HighCVE-2021-1529

    Cisco IOS XE SD-WAN Software Command Injection Vulnerability

    also in 1 other product

    		7.8
    HighCVE-2021-1432

    Cisco IOS XE SD-WAN Software Arbitrary Command Execution Vulnerability

    also in 1 other product

    		7.3
    HighCVE-2023-20035

    Cisco IOS XE SD-WAN Software Command Injection Vulnerability

    		7.8
    MediumCVE-2021-34729

    Cisco IOS XE SD-WAN Software Command Injection Vulnerability

    also in 1 other product

    		6.7
    MediumCVE-2021-34725

    Cisco IOS XE SD-WAN Software Command Injection Vulnerability

    		6.7
    MediumCVE-2025-20151

    Cisco IOS and IOS XE Software SNMPv3 Configuration Restriction Vulnerability

    also in 1 other product

    		4.3
    MediumCVE-2021-1371

    Cisco IOS XE SD-WAN Software Console Privilege Escalation Vulnerability

    		6.6
    MediumCVE-2021-1454

    Cisco IOS XE SD-WAN Software Parameter Injection Vulnerabilities

    also in 1 other product

    		6.0
    MediumCVE-2021-34724

    Cisco IOS XE SD-WAN Software Privilege Escalation Vulnerability

    		6.0

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