validator/val_nsec3.c in Unbound before 1.4.13p2 does not properly perform proof processing for NSEC3-signed zones, which allows remote DNS servers to cause a denial of service (daemon crash) via a malformed response that lacks expected NSEC3 records, a different vulnerability than CVE-2011-4528.
Published 2011-12-20 11:55:09
Updated 2017-08-29 01:30:37
Source MITRE
View at NVD,
Vulnerability category: Denial of service

Threat overview for CVE-2011-4869

Top countries where our scanners detected CVE-2011-4869
Top open port discovered on systems with this issue 53
IPs affected by CVE-2011-4869 8
Find out if you* are affected by CVE-2011-4869!
*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-2011-4869

Probability of exploitation activity in the next 30 days: 1.50%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 85 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2011-4869

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source

CWE ids for CVE-2011-4869

  • Assigned by: (Primary)

References for CVE-2011-4869

Products affected by CVE-2011-4869

This web site uses cookies for managing your session, storing preferences, website analytics and additional purposes described in our privacy policy.
By using this web site you are agreeing to terms of use!