CVE-2023-41173
AdGuard DNS before 2.2 allows remote attackers to cause a denial of service via malformed UDP...
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.
- Severity
- 7.5 HighCVSS 3.1, NVD
- Exploit chance
- 0.81%EPSS, 57th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
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
Affected products
What each source reports
NVD Score used
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 High
CVSS: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 ListNo 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-2023-45690No 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
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 High
CVSS: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
OSVNo 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
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.