CVE-2012-0206

common_startup.cc in PowerDNS (aka pdns) Authoritative Server before 2.9.22.5 and 3.x before 3.0.1 allows remote attackers to cause a denial of service (packet loop) via a crafted UDP DNS response.

Published: 2012-02-17 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-0206 is rated Low Risk (19.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.01%). Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2012-0206

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-17 0.44% 0.01% -0.43%
2 2024-09-17 0.83% 0.44% -0.39%
3 2024-05-24 — 0.83% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-0206

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2012-0206

OS Trackers for CVE-2012-0206

vendor priority summary link
debian high CVE-2012-0206 high priority: Debian including 1 source packages (pdns), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2012-0206
gentoo normal CVE-2012-0206: 1 GLSA(s) (201202-04), 1 atom(s) (net-dns/pdns); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-0206
ubuntu medium CVE-2012-0206 medium priority: Ubuntu including 1 source packages (pdns), 12 status rows across 12 suites (hardy, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic): released 7, ignored 3, DNE 1, not-affected 1. https://ubuntu.com/security/CVE-2012-0206

Affected software / configurations for CVE-2012-0206

Vendor Product Version Raw CPE
powerdns authoritative_server <= 2.9.22 cpe:2.3:a:powerdns:authoritative_server:*:*:*:*:*:*:*:*
powerdns authoritative_server 3.0 cpe:2.3:a:powerdns:authoritative_server:3.0:*:*:*:*:*:*:*

References for CVE-2012-0206

cvelogic Threat Intelligence