CVE-2012-1193

mediumpriority · track · 28EPSS 0.056 · 93 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

5.62% (93rd) EPSS

CVSS 6.4 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-28

The resolver in PowerDNS Recursor (aka pdns_recursor) 3.3 overwrites cached server names and TTL values in NS records during the processing of a response to an A record query, which allows remote attackers to trigger continued resolvability of revoked domain names via a "ghost domain names" attack.

cvss

Technical severity, 0–10. One row per scoring source.

6.4

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.06.4mediumAV:N/AC:L/Au:N/C:N/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 4.9

v2.06.4mediumAV:N/AC:L/Au:N/C:N/I:P/A:Psecondary · FSTEC (BDU) RU

v2.05.4mediumAV:N/AC:L/Au:N/C:N/I:P/A:P/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-362USLLM-inferred

affected products (3)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
PowerDNS.COM BV PowerDNS Recursor≤ 3fstec_bduRU
powerdns powerdns recursor= 3.3nvdUScpe:2.3:a:powerdns:powerdns_recursor:*:*:*:*:*:*:*:*

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2012-02-17modified 2026-06-16

references (9)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan