Vulnerability Details : CVE-2021-34977
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R7000 1.0.11.116_10.2.100 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of SOAP requests. The issue results from the lack of proper authentication verification before performing a password reset. An attacker can leverage this vulnerability to reset the admin password. Was ZDI-CAN-13483.
Vulnerability category: BypassGain privilege
Products affected by CVE-2021-34977
- cpe:2.3:o:netgear:r7000_firmware:1.0.11.116_10.2.100:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-34977
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 33 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-34977
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.8
|
MEDIUM | AV:A/AC:L/Au:N/C:P/I:P/A:P |
6.5
|
6.4
|
NIST | |
8.8
|
HIGH | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
Zero Day Initiative | |
8.8
|
HIGH | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2021-34977
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: nvd@nist.gov (Primary)
-
A product requires authentication, but the product has an alternate path or channel that does not require authentication.Assigned by: zdi-disclosures@trendmicro.com (Secondary)
References for CVE-2021-34977
-
https://kb.netgear.com/000064046/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-and-DSL-Modem-Routers-PSV-2021-0134
Security Advisory for Authentication Bypass on Some Routers and DSL Modem Routers, PSV-2021-0134 | Answer | NETGEAR SupportVendor Advisory
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https://www.zerodayinitiative.com/advisories/ZDI-21-1239/
ZDI-21-1239 | Zero Day InitiativeThird Party Advisory;VDB Entry
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