CVE-2005-2315

Dnrd vulnerability

CVSS

7.5

EPSS

3.8%

EPSS pct

89th

Exploited

No known

Buffer overflow in Domain Name Relay Daemon (DNRD) before 2.19.1 allows remote attackers to execute arbitrary code via a large number of large DNS packets with the Z and QR flags cleared.

Affected vendor

Dnrd

Affected product

Dnrd

CVSS vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Published

2005-12-31

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 3.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2005-2315

Confirm whether Dnrd Dnrd is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2005-2315.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2005-2315

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2005-2315 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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