7.5

CVE-2023-41173: adguard adguard_dns Uncontrolled Resource Consumption

Analyzed
Published 25-08-2023Last modified 02-10-2024

Vulnerability summary

CVE-2023-41173 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in adguard adguard_dns. EPSS estimates a 0.81% chance of exploitation in the next 30 days, higher than 57.1% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.81%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 25-08-2023
    PublishedVulnerability first disclosed.
  2. 02-10-2024
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.81%

Chance of exploitation in the next 30 days

Percentile

57%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.81% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Adguard1 product

1 vendor · 1 product

References

1 links