PT-2020-16531 · Avm · Fritz!Os

Published 2020-10-19 · Updated 2020-11-03 · CVE-2020-26887

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions FRITZ!OS versions prior to 7.21

Description The issue allows a bypass of a DNS Rebinding protection mechanism.

Recommendations For versions prior to 7.21, update to version 7.21 or later to resolve the issue.

Exploit

Fix

Related Identifiers

CVE-2020-26887

Affected Products

Fritz!Os

References · 9

• 🔥 http://packetstormsecurity.com/files/159606/FRITZ-Box-7.20-DNS-Rebinding-Protection-Bypass.html · Exploit
• 🔥 https://exploit-db.com/exploits/49293 · Exploit
• https://osv.dev/vulnerability/CVE-2020-26887 · Vendor Advisory
• https://en.avm.de/news · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-26887 · Security Note
• https://redteam-pentesting.de/en/advisories/-advisories-publicised-vulnerability-analyses · Note
• https://t.me/rnetsec/13589 · Telegram Post
• https://t.me/cybersecuritytechnologies/1950 · Telegram Post
• https://t.me/defcon_news/59772 · Telegram Post