PowerDNS Recursor up to 5.1.7/5.2.5/5.3.0 injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in PowerDNS Recursor up to 5.1.7/5.2.5/5.3.0. The affected element is an unknown function. The manipulation leads to injection. This vulnerability is listed as CVE-2025-59023. The attack must be carried out locally. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in PowerDNS Recursor up to 5.1.7/5.2.5/5.3.0. This issue affects an unknown code. The manipulation with an unknown input leads to a injection vulnerability. Using CWE to declare the problem leads to CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. Impacted is integrity, and availability. The summary by CVE is:

Crafted delegations or IP fragments can poison cached delegations in Recursor.

The advisory is shared at seclists.org. The identification of this vulnerability is CVE-2025-59023. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1055 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 271978 (Debian dsa-6045 : pdns-recursor - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.1.8, 5.2.6 or 5.3.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (271978). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.1
VulDB Temp Score: 4.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.2
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Injection
CWE: CWE-74 / CWE-707 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 271978
Nessus Name: Debian dsa-6045 : pdns-recursor - security update

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Recursor 5.1.8/5.2.6/5.3.1

Timelineinfo

10/23/2025 VulDB entry created
10/24/2025 +0 days Advisory disclosed
02/09/2026 +108 days VulDB entry last update

Sourcesinfo

Advisory: seclists.org
Status: Confirmed

CVE: CVE-2025-59023 (🔒)
GCVE (CVE): GCVE-0-2025-59023
GCVE (VulDB): GCVE-100-329753

Entryinfo

Created: 10/24/2025 00:34
Updated: 02/09/2026 18:15
Changes: 10/24/2025 00:34 (52), 10/30/2025 12:31 (2), 02/09/2026 18:15 (12)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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