Vulnerability Monitor

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CVE-2020-26887

FRITZ!OS before 7.21 on FRITZ!Box devices allows a bypass of a DNS Rebinding protection mechanism.

Published

2020-10-23T05:15:13.517

Last Modified

2024-11-21T05:20:25.103

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

6.4

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	avm	fritz\!box_7490_firmware	< 7.21	Yes
Hardware	avm	fritz\!box_7490	-	No

References

http://packetstormsecurity.com/files/159606/FRITZ-Box-7.20-DNS-Rebinding-Protection-Bypass.html Exploit, Third Party Advisory, VDB Entry ([email protected])
https://en.avm.de/news/ Vendor Advisory ([email protected])
https://www.redteam-pentesting.de/en/advisories/-advisories-publicised-vulnerability-analyses Third Party Advisory ([email protected])
http://packetstormsecurity.com/files/159606/FRITZ-Box-7.20-DNS-Rebinding-Protection-Bypass.html Exploit, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://en.avm.de/news/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.redteam-pentesting.de/en/advisories/-advisories-publicised-vulnerability-analyses Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)