CVE-2015-5230

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 9.0% (95th percentile of EPSS-scored CVEs). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 9.0%CVSS: 7.5Exploit: Elevated riskExposed services: Not assessed

A fix is available — apply it.

The DNS packet parsing/generation code in PowerDNS (aka pdns) Authoritative Server 3.4.x before 3.4.6 allows remote attackers to cause a denial of service (crash) via crafted query packets.

CVSS v3
7.5
EG Score
7.5HIGHmedium confidence
EG Risk
54
EG Risk 54/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation40% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track* or Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
9.0%
EPSS %ILE
95th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* or Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation public PoC (EG-KEV: elevated) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

January 15, 2020

Last Modified

November 21, 2024

References (6)

Affected Packages

(5 across 5 ecosystems)
Debian:11(1)
PackageVulnerable rangeFix by version rangeDependents
pdns—
  • every version up to 3.4.6-1: fixed in 3.4.6-1
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
pdns—
  • every version up to 3.4.6-1: fixed in 3.4.6-1
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
pdns—
  • every version up to 3.4.6-1: fixed in 3.4.6-1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
pdns—
  • every version up to 3.4.6-1: fixed in 3.4.6-1
—
Debian:8(1)
PackageVulnerable rangeFix by version rangeDependents
pdns3.4.1-4, 3.4.1-4+deb8u1, 3.4.1-4+deb8u1~bpo70+1, 3.4.1-4+deb8u2
  • every version up to 3.4.1-4+deb8u3: fixed in 3.4.1-4+deb8u3
—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 5× in last 7d / 21× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 140 total refreshes for this CVE.

  1. 2026-10-05 17:38 UTCEPSS rescore
  2. 2026-10-03 14:21 UTCEPSS rescore
  3. 2026-09-30 14:58 UTCEPSS rescore
  4. 2026-09-30 14:58 UTCEPSS rescore
  5. 2026-09-30 09:05 UTCEG score recompute
  6. 2026-09-28 13:45 UTCEPSS rescore
  7. 2026-09-27 13:40 UTCEPSS rescore
  8. 2026-09-26 15:53 UTCEPSS rescore
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  10. 2026-09-23 13:41 UTCEPSS rescore
  11. 2026-09-20 20:09 UTCEPSS rescore
  12. 2026-09-19 16:30 UTCOSV refresh
  13. 2026-09-19 15:35 UTCEPSS rescore
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  24. 2026-09-01 13:48 UTCEPSS rescore
  25. 2026-09-01 03:31 UTCEPSS rescore
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  1. 2026-08-31 19:34 UTCOSV refresh
  2. 2026-08-27 14:20 UTCEPSS rescore
  3. 2026-08-26 14:41 UTCEPSS rescore
  4. 2026-08-25 13:44 UTCEPSS rescore
  5. 2026-08-23 00:13 UTCEPSS rescore
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  8. 2026-08-19 16:59 UTCEPSS rescore
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  10. 2026-08-16 14:51 UTCEPSS rescore
  11. 2026-08-16 02:09 UTCEPSS rescore
  12. 2026-08-15 01:25 UTCEPSS rescore
  13. 2026-08-14 22:54 UTCOSV refresh
  14. 2026-08-12 13:46 UTCEPSS rescore
  15. 2026-08-11 13:36 UTCEPSS rescore
  16. 2026-08-09 13:42 UTCEPSS rescore
  17. 2026-08-08 16:32 UTCEPSS rescore
  18. 2026-08-07 16:22 UTCEPSS rescore
  19. 2026-08-06 13:42 UTCEPSS rescore
  20. 2026-08-05 19:12 UTCEPSS rescore
  21. 2026-08-04 15:04 UTCEPSS rescore
  22. 2026-08-04 10:31 UTCEPSS rescore
  23. 2026-08-01 04:11 UTCEPSS rescore
  24. 2026-07-30 11:44 UTCOSV refresh
  25. 2026-07-30 01:26 UTCEPSS rescore
  26. 2026-07-30 01:26 UTCEPSS rescore
  27. 2026-07-28 15:31 UTCEPSS rescore
  28. 2026-07-26 14:50 UTCEPSS rescore
  29. 2026-07-25 14:13 UTCEPSS rescore
  30. 2026-07-24 14:13 UTCEPSS rescore
  31. 2026-07-23 14:14 UTCEPSS rescore
  32. 2026-07-23 01:18 UTCEG score recompute
  33. 2026-07-23 00:20 UTCEG score recompute
  34. 2026-07-22 21:58 UTCEG score recompute
  35. 2026-07-22 14:04 UTCEPSS rescore
  36. 2026-07-21 15:21 UTCEPSS rescore
  37. 2026-07-21 15:21 UTCEPSS rescore
  38. 2026-07-20 17:03 UTCEPSS rescore
  39. 2026-07-19 14:27 UTCEPSS rescore
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  41. 2026-07-19 02:26 UTCEPSS rescore
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  43. 2026-07-18 10:00 UTCEPSS rescore
  44. 2026-07-16 16:59 UTCEPSS rescore
  45. 2026-07-15 16:54 UTCEPSS rescore
  46. 2026-07-15 16:54 UTCEPSS rescore
  47. 2026-07-15 01:56 UTCEPSS rescore
  48. 2026-07-13 22:26 UTCEPSS rescore
  49. 2026-07-13 22:26 UTCEPSS rescore
  50. 2026-07-12 20:38 UTCOSV refresh
  51. 2026-07-12 05:42 UTCEPSS rescore
  52. 2026-07-11 08:23 UTCEPSS rescore
  53. 2026-07-09 19:05 UTCEPSS rescore
  54. 2026-07-09 19:05 UTCEPSS rescore
  55. 2026-07-08 15:10 UTCEPSS rescore
  56. 2026-07-07 13:42 UTCEPSS rescore
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  58. 2026-07-06 16:24 UTCEPSS rescore
  59. 2026-07-05 02:26 UTCEPSS rescore
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  62. 2026-06-30 23:19 UTCEPSS rescore
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  64. 2026-06-29 14:03 UTCEPSS rescore
  65. 2026-06-29 14:03 UTCEPSS rescore
  66. 2026-06-28 04:53 UTCEPSS rescore
  67. 2026-06-27 03:05 UTCEPSS rescore
  68. 2026-06-25 13:47 UTCEPSS rescore
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  70. 2026-06-24 14:02 UTCEPSS rescore
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  72. 2026-06-24 06:29 UTCOSV refresh
  73. 2026-06-23 21:30 UTCEPSS rescore
  74. 2026-06-21 14:54 UTCEPSS rescore
  75. 2026-06-21 14:54 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2015-5230?
CVE-2015-5230 is a high vulnerability published on January 15, 2020. The DNS packet parsing/generation code in PowerDNS (aka pdns) Authoritative Server 3.4.x before 3.4.6 allows remote attackers to cause a denial of service (crash) via crafted query packets.
When was CVE-2015-5230 disclosed?
CVE-2015-5230 was first published on January 15, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2015-5230 actively exploited?
CVE-2015-5230 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 9.0% probability of exploitation in the next 30 days (95th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2015-5230?
CVE-2015-5230 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2015-5230?
A fix for CVE-2015-5230 is available: update to the fixed version the vendor names in its advisory.

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