CVE-2012-1734

MEDIUMCVSS v2 · 4.04.0—
EchelonGraph scoreLOW confidence

This CVE was only ever scored under CVSS v2.0. NVD CVSS v2.0 base 4.0 — v2 rates that MEDIUM (v2 bands: LOW 0.0–3.9 / MEDIUM 4.0–6.9 / HIGH 7.0–10.0; v2 has no CRITICAL band). Vector AV:N/AC:L/Au:S/C:N/I:N/A:P. CVSS v2 is an older, coarser metric than v3.1/v4.0 (no Scope, no User Interaction, no Attack Requirements), so it is not directly comparable to a v3 or v4 score. NVD has never re-scored this record under v3. EPSS predicts 3.9% exploitation probability in the next 30 days, which is reflected in EG Risk but does not lift the v2 base. Confidence: LOW.

Sources: epss, nvd_v2
4.0EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 4%CVSS v2: 4.0Exploit: None knownExposed: 0

A fix is available — apply it.

Unspecified vulnerability in Oracle MySQL Server 5.1.62 and earlier, and 5.5.23 and earlier, allows remote authenticated users to affect availability via unknown vectors related to Server Optimizer.

CVSS v2.0 (legacy)
4.0MEDIUMNVD never assigned a CVSS v3 rating to this CVE
EG Score
4.0(low)
EG Risk
24(Track)
EG Risk 24/100SSVC: Track

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
Severity40% × 45%
Exploitation4% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
4%
EPSS %ILE
89%
KEV
Not listed

Published

July 17, 2012

Last Modified

April 29, 2026

References (20)

Vendor Advisories for CVE-2012-1734(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatmysql-0:5.1.66-1.el6_32012-11-14redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Data Freshness Timeline

(refreshed 9× in last 7d / 35× 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 107 total refreshes for this CVE.

  1. 2026-07-26 13:45 UTCEG score recompute▲ 4.00
  2. 2026-07-25 14:12 UTCEPSS rescore
  3. 2026-07-23 14:14 UTCEPSS rescore
  4. 2026-07-23 01:07 UTCEG score recompute
  5. 2026-07-23 00:10 UTCEG score recompute
  6. 2026-07-22 21:49 UTCEG score recompute
  7. 2026-07-22 14:04 UTCEPSS rescore
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  1. 2026-07-06 02:19 UTCEPSS rescore
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  23. 2026-06-21 01:56 UTCEPSS rescore
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  25. 2026-06-18 17:49 UTCEPSS rescore
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  27. 2026-06-17 17:49 UTCEPSS rescore
  28. 2026-06-17 17:49 UTCEPSS rescore
  29. 2026-06-16 17:49 UTCEPSS rescore
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  31. 2026-06-15 17:44 UTCEPSS rescore
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  52. 2026-06-01 13:49 UTCEPSS rescore
  53. 2026-05-31 22:28 UTCEPSS rescore
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  55. 2026-05-31 00:14 UTCEPSS rescore
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  57. 2026-05-29 13:41 UTCEPSS rescore
  58. 2026-05-29 03:56 UTCEG score recompute
  59. 2026-05-29 03:56 UTCVendor advisory
  60. 2026-05-29 03:56 UTCGHSA enrichment
  61. 2026-05-28 13:42 UTCEPSS rescore
  62. 2026-05-28 13:42 UTCEPSS rescore
  63. 2026-05-27 13:38 UTCEPSS rescore
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  74. 2026-05-21 22:39 UTCEPSS rescore
  75. 2026-05-20 22:37 UTCEPSS rescore

Frequently asked(4)

What is CVE-2012-1734?
CVE-2012-1734 is a medium vulnerability published on July 17, 2012. Unspecified vulnerability in Oracle MySQL Server 5.1.62 and earlier, and 5.5.23 and earlier, allows remote authenticated users to affect availability via unknown vectors related to Server Optimizer.
When was CVE-2012-1734 disclosed?
CVE-2012-1734 was first published in the National Vulnerability Database on July 17, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2012-1734 actively exploited?
CVE-2012-1734 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4% probability of exploitation in the next 30 days, which ranks it in the top 10.8% of all scored CVEs.
How do I remediate CVE-2012-1734?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-1734, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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