Unspecified vulnerability in ISC BIND 9.0.x through 9.3.x, 9.4 before 9.4.3-P4, 9.5 before 9.5.2-P1, 9.6 before 9.6.1-P2, and 9.7 beta before 9.7.0b3, with DNSSEC validation enabled and checking disabled (CD), allows remote attackers to conduct DNS cache poisoning attacks by receiving a recursive client query and sending a response that contains an Additional section with crafted data, which is not properly handled when the response is processed "at the same time as requesting DNSSEC records (DO)," aka Bug 20438.
Published 2009-11-25 16:30:01
Updated 2017-09-19 01:29:54
Source Red Hat, Inc.
View at NVD,   CVE.org

Threat overview for CVE-2009-4022

Top countries where our scanners detected CVE-2009-4022
Top open port discovered on systems with this issue 53
IPs affected by CVE-2009-4022 7,447
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2009-4022!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2009-4022

Probability of exploitation activity in the next 30 days: 1.29%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 84 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2009-4022

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
2.6
LOW AV:N/AC:H/Au:N/C:N/I:P/A:N
4.9
2.9
NIST

References for CVE-2009-4022

Products affected by CVE-2009-4022

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