Security readout for executives and security teams
Plain-English summary
Debian’s PowerDNS MySQL backend packaging created a database user with overly broad MySQL privileges. An attacker who can act through that account could affect confidentiality, integrity, or availability of the PowerDNS database. The issue is specific to Debian’s pdns-backend-mysql packaging before version 3.3.1-1; other backends are stated as unaffected.
Executive priority
Prioritize remediation where Debian PowerDNS uses MySQL for production DNS. DNS database compromise can disrupt service or alter records. The vulnerability is old and no active exploitation is cited, but the impact rating justifies prompt validation and cleanup.
Technical view
CVE-2014-7210 is a CWE-276 permissions flaw in Debian maintainer scripts for pdns-backend-mysql. The scripts granted the pdns MySQL user wider database permissions than intended. The supplied CVSS 3.1 score is 9.8, but the source bundle does not provide exploit mechanics or proof of active exploitation.
Likely exposure
Exposure is likely limited to Debian hosts using the pdns-backend-mysql package before 3.3.1-1. Non-MySQL PowerDNS backends are stated as unaffected. Exact vulnerable Debian releases and upgrade package names should be confirmed against Debian guidance.
Exploitation context
No CISA KEV listing or cited source in the bundle indicates active exploitation. The risk comes from excessive database privileges assigned by packaging scripts, which could magnify impact if the pdns database account is reached or abused.
Researcher notes
The affected metadata in the bundle is sparse and includes an unusual version value of "0" with defaultStatus "unaffected." Treat scanner matches carefully and validate against Debian package history, pdns-backend-mysql installation status, and the referenced Debian commit/advisory.
Mitigation direction
- Upgrade affected Debian pdns-backend-mysql packages to vendor-fixed versions.
- Confirm Debian guidance for the exact supported release and package version.
- Review the pdns MySQL account privileges for least-privilege alignment.
- Restrict database access to trusted PowerDNS hosts only.
- Assess whether any non-MySQL backends are incorrectly flagged by tooling.
Validation and detection
- Inventory Debian systems running pdns-backend-mysql.
- Check installed pdns package versions against 3.3.1-1 and Debian advisories.
- Inspect MySQL grants for the pdns database user.
- Verify PowerDNS continues resolving after privilege corrections or package updates.
- Document any exceptions where vendor guidance is unavailable.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-276: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2014-7210 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Incorrect Default Permissions
Incorrect Default Permissions represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.