CVE-2012-1193

6.4 MEDIUM 6% exploit odds No fix listed Other

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 5.6% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2012-02-17 22:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:39 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 5.6% in the next 30 days (EPSS).
Severity: 6.4 MEDIUM (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2012-02-17 22:55 UTC
Last modified: 2026-06-16 23:39 UTC
Exploit probability: 5.6% · EPSS, next 30 days
Record status: Modified

Affected

Powerdns Recursor 3.3

Attack profile CVSS 2.0 · 6.4

Attack vector: Network
Complexity: Low
Authentication: None
Confidentiality: None
Integrity: Partial
Availability: Partial

Raw vector

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

Is it in your code?

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Read https://cve-list.com/agent/cve/CVE-2012-1193.md and follow it. Check whether this project is affected by CVE-2012-1193. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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References

NVD record · CVE.org record