CVE-2007-0086

HIGHCVSS v2 · 7.87.8—
EchelonGraph scoreLOW confidence

This CVE was only ever scored under CVSS v2.0. NVD CVSS v2.0 base 7.8 — v2 rates that HIGH (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:N/C:N/I:N/A:C. 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 10.1% 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
Elevated
7.8EG
EchelonGraph verdictPlan a fixRemediate within your standard update timelines at low or medium mission impact and sooner than that at high (the SSVC decision on this page).
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 10%CVSS v2: 7.8Exploit: No code on recordExposed services: Not assessed

A fix is available — apply it.

The Apache HTTP Server, when accessed through a TCP connection with a large window size, allows remote attackers to cause a denial of service (network bandwidth consumption) via a Range header that specifies multiple copies of the same fragment. NOTE: the severity of this issue has been disputed by third parties, who state that the large window size required by the attack is not normally supported or configured by the server, or that a DDoS-style attack would accomplish the same goal

CVSS v2.0 (legacy)
7.8HIGHNVD never assigned a CVSS v3 rating to this CVE
EG Score
7.8HIGHlow confidence
EG Risk
56
EG Risk 56/100

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 (value × EchelonGraph’s weight)
Severity78% × 45%
The EG Score, 7.8 of 10.
Exploitation40% × 40%
EchelonGraph's fixed weight for EG-KEV Tier 3 (Elevated): a constant, not a probability.
Automatability30% × 15%
EchelonGraph's default before algorithm v3.4: CISA had not published Automatable for this CVE.
SSVC (CISA's decision table, applied by EchelonGraph): Track at low, Track or Track* at medium and Track* or Attend at high mission impact.
Exploitation public PoC (EG-KEV: elevated) · Automatable unknown (not published for this CVE) · Technical impact unknown (not published for this CVE). EchelonGraph holds no SSVC assessment of this CVE from CISA: none of these inputs is from Vulnrichment. EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
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
10%
EPSS %ILE
95th
KEV
Not listed

SSVC (CISA's decision table, applied by EchelonGraph)Track at low, Track or Track* at medium and Track* or Attend at high mission impact.

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 unknown (not published for this CVE). EchelonGraph holds no SSVC assessment of this CVE from CISA: none of these inputs is from Vulnrichment. EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

Published

January 5, 2007

Last Modified

April 23, 2026

References (5)

Vendor Advisories for CVE-2007-0086(1)

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

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFix by version rangeDependents
apache22.4.48-3.1 ... 2.4.68-1~deb13u1 (96 versions)
  • every version on: no fix on record
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
apache22.4.57-2 ... 2.4.68-2 (57 versions)
  • every version on: no fix on record
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
apache22.4.65-2 ... 2.4.68-2 (30 versions)
  • every version on: no fix on record
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
apache22.4.65-2 ... 2.4.68-2 (30 versions)
  • every version on: no fix on record
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 14× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. 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. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

Showing the most recent 80 of 100 refreshes on record for this CVE.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. 20 repeat rows among the latest 100 are merged into the row they repeat. The 20 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-10-11 13:37 UTCEPSS rescoreEPSS 10% · 95th percentile
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  7. 2026-10-05 17:37 UTCEPSS rescoreEPSS 10% · 95th percentile
  8. 2026-10-05 00:44 UTCOSV refresh
  9. 2026-09-30 14:57 UTCEPSS rescoreEPSS 10% · 95th percentile
  10. 2026-09-29 07:37 UTCEG score recompute
  11. 2026-09-18 19:20 UTCEPSS rescoreEPSS 10% · 95th percentile
  12. 2026-09-15 09:24 UTCOSV refresh
  13. 2026-09-15 03:04 UTCEPSS rescoreEPSS 10% · 95th percentile
  14. 2026-09-12 14:54 UTCEPSS rescoreEPSS 10% · 95th percentile
  15. 2026-09-10 09:24 UTCEPSS rescoreEPSS 10% · 95th percentile
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  17. 2026-09-04 13:54 UTCEPSS rescoreEPSS 10% · 95th percentile
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  19. 2026-08-30 01:14 UTCEPSS rescoreEPSS 10% · 95th percentile
  20. 2026-08-27 08:23 UTCOSV refresh
  21. 2026-08-10 22:08 UTCOSV refresh
  22. 2026-08-08 16:30 UTCEPSS rescoreEPSS 10% · 95th percentile
  23. 2026-08-07 16:20 UTCEPSS rescoreEPSS 10% · 95th percentile
  24. 2026-08-06 13:41 UTCEPSS rescoreEPSS 10% · 95th percentile
  25. 2026-08-05 19:11 UTCEPSS rescoreEPSS 10% · 95th percentile
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  1. 2026-08-04 15:03 UTCEPSS rescoreEPSS 10% · 95th percentile
  2. 2026-08-04 10:28 UTCEPSS rescoreEPSS 10% · 95th percentile
  3. 2026-08-03 10:28 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  4. 2026-07-28 15:30 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  5. 2026-07-26 13:31 UTCEG score recompute▲ 7.80
  6. 2026-07-25 22:01 UTCOSV refresh
  7. 2026-07-25 14:11 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  8. 2026-07-24 14:11 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  9. 2026-07-23 00:52 UTCEG score recompute
  10. 2026-07-23 00:31 UTCEG score recompute
  11. 2026-07-22 23:56 UTCEG score recompute
  12. 2026-07-22 21:36 UTCEG score recompute
  13. 2026-07-22 14:03 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  14. 2026-07-21 15:19 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  15. 2026-07-20 17:02 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  16. 2026-07-16 16:58 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  17. 2026-07-15 16:54 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  18. 2026-07-15 01:55 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  19. 2026-07-13 22:25 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  20. 2026-07-08 16:45 UTCOSV refresh
  21. 2026-07-08 15:09 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  22. 2026-07-06 02:19 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  23. 2026-07-05 02:26 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  24. 2026-07-04 06:26 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  25. 2026-07-02 14:00 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  26. 2026-07-01 15:02 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  27. 2026-06-30 23:18 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  28. 2026-06-28 14:02 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  29. 2026-06-28 04:52 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  30. 2026-06-25 13:46 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  31. 2026-06-24 14:01 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  32. 2026-06-23 21:29 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  33. 2026-06-20 04:42 UTCOSV refresh
  34. 2026-06-19 19:22 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  35. 2026-06-18 17:49 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  36. 2026-06-17 17:49 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  37. 2026-06-16 17:49 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  38. 2026-06-15 17:44 UTCEPSS rescoreEPSS 9.6% · 94th percentile
  39. 2026-06-14 23:13 UTCEPSS rescoreEPSS 1.1% · 78th percentile
  40. 2026-06-13 22:57 UTCEPSS rescoreEPSS 1.1% · 78th percentile
  41. 2026-06-12 23:08 UTCEPSS rescoreEPSS 1.1% · 78th percentile
  42. 2026-06-08 14:13 UTCEPSS rescoreEPSS 2.4% · 85th percentile
  43. 2026-06-07 15:21 UTCEPSS rescoreEPSS 2.4% · 85th percentile
  44. 2026-06-06 13:44 UTCEPSS rescoreEPSS 2.4% · 85th percentile
  45. 2026-06-05 22:44 UTCEPSS rescoreEPSS 2.4% · 85th percentile
  46. 2026-06-05 06:07 UTCEPSS rescoreEPSS 2.4% · 85th percentile
  47. 2026-06-04 13:09 UTCEPSS rescoreEPSS 2.4% · 85th percentile
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  49. 2026-06-01 13:49 UTCEPSS rescoreEPSS 2.4% · 85th percentile
  50. 2026-05-31 22:28 UTCEPSS rescoreEPSS 2.4% · 85th percentile
  51. 2026-05-31 04:58 UTCEG score recompute
  52. 2026-05-31 04:58 UTCVendor advisory
  53. 2026-05-31 04:58 UTCGHSA enrichmentGHSA-vfvv-gfh6-h8qc · GitHub severity HIGH
  54. 2026-05-31 00:13 UTCEPSS rescoreEPSS 2.4% · 85th percentile
  55. 2026-05-29 13:40 UTCEPSS rescoreEPSS 2.4% · 85th percentile

Related CVEs(same product + same CWE)

Frequently asked(4)

What is CVE-2007-0086?
CVE-2007-0086 is a high-severity vulnerability; its CVE record was published on January 5, 2007. The Apache HTTP Server, when accessed through a TCP connection with a large window size, allows remote attackers to cause a denial of service (network bandwidth consumption) via a Range header that specifies multiple copies of the same fragment. NOTE: the severity of this issue has been disputed by…
When was CVE-2007-0086 made public?
CVE-2007-0086 was made public on January 3, 2007: that is the date its CVE record's CNA, MITRE Corporation, gives for when the vulnerability was made public. The CVE record itself was published on January 5, 2007. EchelonGraph's copy of the record carries a last-modified date of April 23, 2026; the record at its source may have been updated since.
Is CVE-2007-0086 actively exploited?
CVE-2007-0086 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 10% probability of exploitation in the next 30 days (95th percentile of EPSS-scored CVEs).
How do I remediate CVE-2007-0086?
A fix for CVE-2007-0086 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2007-0086 are linked in the Vendor Advisories panel on this page.

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