Vulnerability Description
FRITZ!OS before 7.21 on FRITZ!Box devices allows a bypass of a DNS Rebinding protection mechanism.
CVSS Score
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Avm | Fritz\!Box 7490 Firmware | < 7.21 |
| Avm | Fritz\!Box 7490 | - |
References
- http://packetstormsecurity.com/files/159606/FRITZ-Box-7.20-DNS-Rebinding-ProtectExploitThird Party AdvisoryVDB Entry
- https://en.avm.de/news/Vendor Advisory
- https://www.redteam-pentesting.de/en/advisories/-advisories-publicised-vulnerabiThird Party Advisory
- http://packetstormsecurity.com/files/159606/FRITZ-Box-7.20-DNS-Rebinding-ProtectExploitThird Party AdvisoryVDB Entry
- https://en.avm.de/news/Vendor Advisory
- https://www.redteam-pentesting.de/en/advisories/-advisories-publicised-vulnerabiThird Party Advisory
FAQ
What is CVE-2020-26887?
CVE-2020-26887 is a vulnerability with a CVSS score of 7.8 (HIGH). FRITZ!OS before 7.21 on FRITZ!Box devices allows a bypass of a DNS Rebinding protection mechanism.
How severe is CVE-2020-26887?
CVE-2020-26887 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-2020-26887?
Check the references section above for vendor advisories and patch information. Affected products include: Avm Fritz\!Box 7490 Firmware, Avm Fritz\!Box 7490.