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CVE-2023-41173

AdGuard DNS before 2.2 allows remote attackers to cause a denial of service via malformed UDP...

7.5 High

AdGuard DNS before 2.2 allows remote attackers to cause a denial of service via malformed UDP packets.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.81%Up 0.8 points since Aug 25, 2023
90%50%10%1%

What each source reports

NVD Score used 7.5

AdGuard DNS before 2.2 allows remote attackers to cause a denial of service via malformed UDP packets.

Record
CVE-2023-41173
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-400
Updated
2026-11-02
CVE List No score

AdGuard DNS before 2.2 allows remote attackers to cause a denial of service via malformed UDP packets.

Record
CVE-2023-41173
Weakness
CWE-400
Updated
2026-11-02
EUVDEUVD-2023-45690 No score

AdGuard DNS before 2.2 allows remote attackers to cause a denial of service via malformed UDP packets.

Record
EUVD-2023-45690
Updated
2026-11-03
GitHub AdvisoriesGHSA-r9gm-88g3-6g68 7.5

AdGuard DNS before 2.2 allows remote attackers to cause a denial of service via malformed UDP...

AdGuard DNS before 2.2 allows remote attackers to cause a denial of service via malformed UDP packets.

Record
GHSA-r9gm-88g3-6g68
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-400
Updated
2026-11-02
OSV No score

AdGuard DNS before 2.2 allows remote attackers to cause a denial of service via malformed UDP packets.

Record
CVE-2023-41173
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-41173 is a high vulnerability (CVSS 7.5) in Adguard Dns, published August 25, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.81%, the 57th percentile. No source names a fixed version.

References

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