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CVE-2020-8961

CRITICAL
9.8
CVSS Score
Published: April 9, 2020 at 07:54 PM UTC
Updated: June 17, 2026 at 03:27 AM UTC
1 product affected across 1 vendorFree Antivirus

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Severity
CRITICAL9.8
Exploit prediction
EPSS 2%

Description

An issue was discovered in Avira Free-Antivirus before 15.0.2004.1825. The Self-Protection feature does not prohibit a write operation from an external process. Thus, code injection can be used to turn off this feature. After that, one can construct an event that will modify a file at a specific location, and pass this event to the driver, thereby defeating the anti-virus functionality.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Free Antivirus· Avira
95%
v < 15.0.2004.1825
Affected range stops below 15.0.2004.1825, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_CONFIRMRelease NotesVendor Advisory
Source: [email protected]
https://support.avira.com/hc/en-us/articles/360000109798-Avira-Antivirus-for-Windows

CVSS

9.8CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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