CVE-2020-26887

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Published Oct 23, 2020 CVSS 3.1 · 7.8 High EPSS 1.4% KEV · Not listed

Description

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

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:avm:fritz\!box_7490_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:avm:fritz\!box_7490:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2020-19420	FRITZ!OS before 7.21 on FRITZ!Box devices allows a bypass of a DNS Rebinding protection mechanism.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 1.4% (1.419% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://packetstormsecurity.com/files/159606/FRITZ-Box-7.20-DNS-Rebinding-Protection-Bypass.html
https://en.avm.de/news/
https://www.redteam-pentesting.de/en/advisories/-advisories-publicised-vulnerability-analyses

History

No history.

Subscriptions

Avm Fritz\!box 7490 Fritz\!box 7490 Firmware

Weaknesses

NVD-CWE-noinfo

Sources

CVE record Updated: Aug 4, 2024, 4:03 PM

Status: PUBLISHED
Assigner: mitre
Published: Oct 23, 2020, 4:57 AM
Updated: Aug 4, 2024, 4:03 PM
Reserved: Oct 8, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:08 AM

Status: Modified
Published: Oct 23, 2020, 5:15 AM
Modified: Jun 17, 2026, 3:08 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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