CVE-2017-5650

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 8.3%, top 6% of all CVEs by exploit prediction. 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
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 8%CVSS: 7.5Exploit: NoneExposed: 0

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

In Apache Tomcat 9.0.0.M1 to 9.0.0.M18 and 8.5.0 to 8.5.12, the handling of an HTTP/2 GOAWAY frame for a connection did not close streams associated with that connection that were currently waiting for a WINDOW_UPDATE before allowing the application to write more data. These waiting streams each consumed a thread. A malicious client could therefore construct a series of HTTP/2 requests that would consume all available processing threads.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
42(Track)
EG Risk 42/100SSVC: 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
Severity75% × 45%
Exploitation8% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
94.3%
KEV
Not listed

Published

April 17, 2017

Last Modified

May 13, 2026

References (26)

Affected Packages

(1 across 1 ecosystem)
Maven(1)
PackageVulnerable rangeFixed inDependents
org.apache.tomcat:tomcat8.5.0 ... 8.5.9 (10 versions)8.5.13—

Data Freshness Timeline

(refreshed 14× in last 7d / 44× 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.

  1. 2026-07-23 01:29 UTCEG score recompute
  2. 2026-07-22 22:09 UTCEG score recompute
  3. 2026-07-22 14:04 UTCEPSS rescore
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  5. 2026-07-21 15:21 UTCEPSS rescore
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  20. 2026-07-12 00:22 UTCOSV refresh
  21. 2026-07-11 08:24 UTCEPSS rescore
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  1. 2026-07-06 16:24 UTCEPSS rescore
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  19. 2026-06-23 07:00 UTCOSV refresh
  20. 2026-06-22 14:23 UTCEPSS rescore
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  40. 2026-06-06 13:45 UTCEPSS rescore
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  42. 2026-06-06 05:21 UTCOSV refresh
  43. 2026-06-05 22:44 UTCEPSS rescore
  44. 2026-06-05 06:08 UTCEPSS rescore
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  46. 2026-06-04 13:10 UTCEPSS rescore
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  61. 2026-05-26 07:17 UTCEPSS rescore
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  63. 2026-05-22 14:12 UTCEG score recompute
  64. 2026-05-21 22:40 UTCEPSS rescore
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  70. 2026-05-18 21:30 UTCEPSS rescore

Frequently asked(5)

What is CVE-2017-5650?
CVE-2017-5650 is a high vulnerability published on April 17, 2017. In Apache Tomcat 9.0.0.M1 to 9.0.0.M18 and 8.5.0 to 8.5.12, the handling of an HTTP/2 GOAWAY frame for a connection did not close streams associated with that connection that were currently waiting for a WINDOW_UPDATE before allowing the application to write more data. These waiting streams each…
When was CVE-2017-5650 disclosed?
CVE-2017-5650 was first published in the National Vulnerability Database on April 17, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-5650 actively exploited?
CVE-2017-5650 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 94.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-5650?
CVE-2017-5650 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2017-5650?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-5650, 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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