Vulnerability Name:

CVE-2021-34870 (CCN-208931)

Assigned:2021-09-08
Published:2021-09-08
Updated:2022-01-31
Summary:This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of NETGEAR XR1000 1.0.0.52_1.0.38 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of SOAP messages. The issue results from a lack of authentication required for a privileged request. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-13325.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:3.3 Low (CVSS v2 Vector: AV:A/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
6.1 Medium (CCN CVSS v2 Vector: AV:A/AC:L/Au:N/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-306
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2021-34870

Source: XF
Type: UNKNOWN
netgear-cve202134870-info-disc(208931)

Source: CCN
Type: NETGEAR Security Advisory: PSV-2020-0037
Security Advisory for a Security Misconfiguration Vulnerability on the XR1000, PSV-2021-0101

Source: MISC
Type: Patch, Vendor Advisory
https://kb.netgear.com/000063967/Security-Advisory-for-a-Security-Misconfiguration-Vulnerability-on-the-XR1000-PSV-2021-0101

Source: CCN
Type: ZDI-21-1058
NETGEAR XR1000 UPnP SOAPAction Missing Authentication Information Disclosure Vulnerability

Source: MISC
Type: Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-1058/

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:xr1000:1.0.0.52_1.0.38:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netgear:xr1000:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/h:netgear:xr1000:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    netgear xr1000 1.0.0.52_1.0.38
    netgear xr1000 -
    netgear xr1000 -