CVE-2009-2069

MEDIUMCVSS v2 · 5.85.8—
EchelonGraph scoreLOW confidence

This CVE was only ever scored under CVSS v2.0. NVD CVSS v2.0 base 5.8 — 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:M/Au:N/C:P/I:P/A:N. 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 2.2% exploitation probability in the next 30 days, which is reflected in EG Risk but does not lift the v2 base. Confidence: LOW.

Triggered by: NVD CVSS v2.0 (legacy fallback)
Sources: epss, nvd_v2
5.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 2.2%CVSS v2: 5.8Exploit: None knownExposed services: Not assessed

No fix is confirmed yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for the fix.

Microsoft Internet Explorer before 8 displays a cached certificate for a (1) 4xx or (2) 5xx CONNECT response page returned by a proxy server, which allows man-in-the-middle attackers to spoof an arbitrary https site by letting a browser obtain a valid certificate from this site during one request, and then sending the browser a crafted 502 response page upon a subsequent request.

CVSS v2.0 (legacy)
5.8MEDIUMNVD never assigned a CVSS v3 rating to this CVE
EG Score
5.8MEDIUMlow confidence
EG Risk
31
EG Risk 31/100CISA 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
Severity58% × 45%
Exploitation2% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track or Track* or Attend at high (mission-essential systems).
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
EPSS PROB
2.2%
EPSS %ILE
81st
KEV
Not listed

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

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.

Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact unknown (not published for this CVE). 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

June 15, 2009

Last Modified

April 23, 2026

References (6)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 16× 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 133 total refreshes for this CVE.

  1. 2026-10-10 19:54 UTCEPSS rescore
  2. 2026-10-09 20:00 UTCEPSS rescore
  3. 2026-10-08 16:33 UTCEPSS rescore
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  8. 2026-09-30 14:58 UTCEPSS rescore
  9. 2026-09-29 07:59 UTCEG score recompute
  10. 2026-09-27 13:39 UTCEPSS rescore
  11. 2026-09-26 15:52 UTCEPSS rescore
  12. 2026-09-24 13:57 UTCEPSS rescore
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  14. 2026-09-15 03:04 UTCEPSS rescore
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  24. 2026-08-19 16:58 UTCEPSS rescore
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  1. 2026-08-09 13:41 UTCEPSS rescore
  2. 2026-08-08 16:31 UTCEPSS rescore
  3. 2026-08-06 13:41 UTCEPSS rescore
  4. 2026-08-03 10:28 UTCEPSS rescore
  5. 2026-07-30 16:22 UTCEPSS rescore
  6. 2026-07-30 01:26 UTCEPSS rescore
  7. 2026-07-26 13:38 UTCEG score recompute▲ 5.80
  8. 2026-07-25 14:12 UTCEPSS rescore
  9. 2026-07-24 14:12 UTCEPSS rescore
  10. 2026-07-23 14:14 UTCEPSS rescore
  11. 2026-07-23 00:59 UTCEG score recompute
  12. 2026-07-23 00:37 UTCEG score recompute
  13. 2026-07-23 00:04 UTCEG score recompute
  14. 2026-07-22 21:43 UTCEG score recompute
  15. 2026-07-22 14:03 UTCEPSS rescore
  16. 2026-07-21 15:20 UTCEPSS rescore
  17. 2026-07-20 17:03 UTCEPSS rescore
  18. 2026-07-20 17:03 UTCEPSS rescore
  19. 2026-07-18 09:59 UTCEPSS rescore
  20. 2026-07-16 16:58 UTCEPSS rescore
  21. 2026-07-15 16:54 UTCEPSS rescore
  22. 2026-07-15 16:54 UTCEPSS rescore
  23. 2026-07-15 01:55 UTCEPSS rescore
  24. 2026-07-13 22:25 UTCEPSS rescore
  25. 2026-07-11 08:22 UTCEPSS rescore
  26. 2026-07-11 08:22 UTCEPSS rescore
  27. 2026-07-09 19:04 UTCEPSS rescore
  28. 2026-07-08 15:10 UTCEPSS rescore
  29. 2026-07-06 16:23 UTCEPSS rescore
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  32. 2026-07-05 02:26 UTCEPSS rescore
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  34. 2026-07-04 06:27 UTCEPSS rescore
  35. 2026-07-01 15:02 UTCEPSS rescore
  36. 2026-06-30 23:19 UTCEPSS rescore
  37. 2026-06-29 14:02 UTCEPSS rescore
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  39. 2026-06-28 14:03 UTCEPSS rescore
  40. 2026-06-28 04:52 UTCEPSS rescore
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  42. 2026-06-27 03:05 UTCEPSS rescore
  43. 2026-06-25 13:46 UTCEPSS rescore
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  45. 2026-06-24 14:02 UTCEPSS rescore
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  47. 2026-06-23 21:29 UTCEPSS rescore
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  49. 2026-06-22 14:22 UTCEPSS rescore
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  51. 2026-06-21 14:53 UTCEPSS rescore
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  54. 2026-06-19 19:22 UTCEPSS rescore
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  56. 2026-06-18 17:49 UTCEPSS rescore
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  58. 2026-06-17 17:49 UTCEPSS rescore
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  60. 2026-06-16 17:49 UTCEPSS rescore
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  62. 2026-06-15 17:44 UTCEPSS rescore
  63. 2026-06-14 23:14 UTCEPSS rescore
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  65. 2026-06-13 22:57 UTCEPSS rescore
  66. 2026-06-12 23:08 UTCEPSS rescore
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  68. 2026-06-10 22:14 UTCEPSS rescore
  69. 2026-06-10 13:17 UTCEPSS rescore
  70. 2026-06-08 14:13 UTCEPSS rescore
  71. 2026-06-07 15:22 UTCEPSS rescore
  72. 2026-06-07 15:22 UTCEPSS rescore
  73. 2026-06-06 13:44 UTCEPSS rescore
  74. 2026-06-06 13:44 UTCEPSS rescore
  75. 2026-06-06 13:44 UTCEPSS rescore

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Frequently asked(4)

What is CVE-2009-2069?
CVE-2009-2069 is a medium vulnerability published on June 15, 2009. Microsoft Internet Explorer before 8 displays a cached certificate for a (1) 4xx or (2) 5xx CONNECT response page returned by a proxy server, which allows man-in-the-middle attackers to spoof an arbitrary https site by letting a browser obtain a valid certificate from this site during one request,…
When was CVE-2009-2069 disclosed?
CVE-2009-2069 was first published on June 15, 2009, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2009-2069 actively exploited?
CVE-2009-2069 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.2% probability of exploitation in the next 30 days (81st percentile of EPSS-scored CVEs).
How do I remediate CVE-2009-2069?
No fix for CVE-2009-2069 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix.

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