Vulnerability Description
Certain NETGEAR smart switches are affected by an authentication hijacking race-condition vulnerability by an unauthenticated attacker who uses the same source IP address as an admin in the process of logging in (e.g., behind the same NAT device, or already in possession of a foothold on an admin's machine). This occurs because the multi-step HTTP authentication process is effectively tied only to the source IP address. This affects GC108P before 1.0.8.2, GC108PP before 1.0.8.2, GS108Tv3 before 7.0.7.2, GS110TPP before 7.0.7.2, GS110TPv3 before 7.0.7.2, GS110TUP before 1.0.5.3, GS308T before 1.0.3.2, GS310TP before 1.0.3.2, GS710TUP before 1.0.5.3, GS716TP before 1.0.4.2, GS716TPP before 1.0.4.2, GS724TPP before 2.0.6.3, GS724TPv2 before 2.0.6.3, GS728TPPv2 before 6.0.8.2, GS728TPv2 before 6.0.8.2, GS750E before 1.0.1.10, GS752TPP before 6.0.8.2, GS752TPv2 before 6.0.8.2, MS510TXM before 1.0.4.2, and MS510TXUP before 1.0.4.2.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Netgear | Gc108P Firmware | < 1.0.8.2 |
| Netgear | Gc108P | - |
| Netgear | Gc108Pp Firmware | < 1.0.8.2 |
| Netgear | Gc108Pp | - |
| Netgear | Gs108T Firmware | < 7.0.7.2 |
| Netgear | Gs108Tv3 | - |
| Netgear | Gs110Tpp Firmware | < 7.0.7.2 |
| Netgear | Gs110Tpp | - |
| Netgear | Gs110Tp Firmware | < 7.0.7.2 |
| Netgear | Gs110Tp | v3 |
| Netgear | Gs110Tup Firmware | < 1.0.5.3 |
| Netgear | Gs110Tup | - |
| Netgear | Gs308T Firmware | < 1.0.3.2 |
| Netgear | Gs308T | - |
| Netgear | Gs310Tp Firmware | < 1.0.3.2 |
| Netgear | Gs310Tp | - |
| Netgear | Gs710Tup Firmware | < 1.0.5.3 |
| Netgear | Gs710Tup | - |
| Netgear | Gs716Tp Firmware | < 1.0.4.2 |
| Netgear | Gs716Tp | - |
Related Weaknesses (CWE)
References
- https://gynvael.coldwind.pl/?id=741ExploitThird Party Advisory
- https://kb.netgear.com/000063978/Security-Advisory-for-Multiple-Vulnerabilities-Vendor Advisory
- https://gynvael.coldwind.pl/?id=741ExploitThird Party Advisory
- https://kb.netgear.com/000063978/Security-Advisory-for-Multiple-Vulnerabilities-Vendor Advisory
FAQ
What is CVE-2021-40867?
CVE-2021-40867 is a vulnerability with a CVSS score of 7.8 (HIGH). Certain NETGEAR smart switches are affected by an authentication hijacking race-condition vulnerability by an unauthenticated attacker who uses the same source IP address as an admin in the process of...
How severe is CVE-2021-40867?
CVE-2021-40867 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-40867?
Check the references section above for vendor advisories and patch information. Affected products include: Netgear Gc108P Firmware, Netgear Gc108P, Netgear Gc108Pp Firmware, Netgear Gc108Pp, Netgear Gs108T Firmware.