CVE-2017-20242

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-04. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 0

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

Keysight IxChariot Endpoint before 9.5.102 contains a stack-based buffer overflow. An unauthenticated remote attacker can send a specially crafted packet to crash the endpoint or potentially execute arbitrary code.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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
Severity98% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
52%
KEV
Not listed

Published

August 4, 2026

Last Modified

August 26, 2026

Advisory Details (2)

Auto-updated Sep 16, 2026
No patch confirmed yet.
generic
https://www.cve.org/CVERecord?id=CVE-2017-20242
generic
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-216-01.json

Vendor Advisories for CVE-2017-20242(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 39× in last 7d / 162× 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 278 total refreshes for this CVE.

  1. 2026-09-19 04:16 UTCGHSA enrichment
  2. 2026-09-18 23:57 UTCEG score recompute
  3. 2026-09-18 23:57 UTCGHSA enrichment
  4. 2026-09-18 19:22 UTCEPSS rescore
  5. 2026-09-18 19:16 UTCGHSA enrichment
  6. 2026-09-18 14:49 UTCGHSA enrichment
  7. 2026-09-18 09:48 UTCGHSA enrichment
  8. 2026-09-18 05:28 UTCGHSA enrichment
  9. 2026-09-18 01:08 UTCEG score recompute
  10. 2026-09-18 01:08 UTCGHSA enrichment
  11. 2026-09-17 19:22 UTCEPSS rescore
  12. 2026-09-17 16:13 UTCGHSA enrichment
  13. 2026-09-17 09:51 UTCGHSA enrichment
  14. 2026-09-17 05:30 UTCGHSA enrichment
  15. 2026-09-17 01:10 UTCEG score recompute
  16. 2026-09-17 01:10 UTCGHSA enrichment
  17. 2026-09-16 11:14 UTCEG score recompute
  18. 2026-09-16 11:14 UTCGHSA enrichment
  19. 2026-09-16 03:48 UTCGHSA enrichment
  20. 2026-09-15 16:47 UTCGHSA enrichment
  21. 2026-09-15 06:55 UTCEG score recompute
  22. 2026-09-15 06:55 UTCGHSA enrichment
  23. 2026-09-15 03:05 UTCEPSS rescore
  24. 2026-09-15 03:05 UTCEPSS rescore
  25. 2026-09-15 01:37 UTCGHSA enrichment
Show 75 more
  1. 2026-09-14 13:27 UTCGHSA enrichment
  2. 2026-09-14 09:01 UTCGHSA enrichment
  3. 2026-09-14 04:41 UTCGHSA enrichment
  4. 2026-09-14 00:21 UTCGHSA enrichment
  5. 2026-09-13 20:01 UTCGHSA enrichment
  6. 2026-09-13 15:40 UTCGHSA enrichment
  7. 2026-09-13 11:18 UTCGHSA enrichment
  8. 2026-09-13 06:58 UTCGHSA enrichment
  9. 2026-09-13 02:28 UTCGHSA enrichment
  10. 2026-09-12 22:08 UTCGHSA enrichment
  11. 2026-09-12 17:45 UTCEG score recompute
  12. 2026-09-12 17:45 UTCGHSA enrichment
  13. 2026-09-12 14:55 UTCEPSS rescore
  14. 2026-09-12 13:25 UTCGHSA enrichment
  15. 2026-09-12 09:05 UTCGHSA enrichment
  16. 2026-09-12 04:44 UTCGHSA enrichment
  17. 2026-09-12 00:24 UTCGHSA enrichment
  18. 2026-09-11 19:18 UTCGHSA enrichment
  19. 2026-09-11 14:48 UTCEG score recompute
  20. 2026-09-11 14:48 UTCGHSA enrichment
  21. 2026-09-11 09:31 UTCEPSS rescore
  22. 2026-09-11 07:05 UTCGHSA enrichment
  23. 2026-09-11 02:44 UTCGHSA enrichment
  24. 2026-09-10 22:23 UTCGHSA enrichment
  25. 2026-09-10 17:59 UTCGHSA enrichment
  26. 2026-09-10 12:49 UTCEG score recompute
  27. 2026-09-10 12:49 UTCGHSA enrichment
  28. 2026-09-10 07:00 UTCGHSA enrichment
  29. 2026-09-10 02:40 UTCGHSA enrichment
  30. 2026-09-09 19:26 UTCGHSA enrichment
  31. 2026-09-09 10:55 UTCGHSA enrichment
  32. 2026-09-09 06:34 UTCEG score recompute
  33. 2026-09-09 06:34 UTCGHSA enrichment
  34. 2026-09-08 03:12 UTCGHSA enrichment
  35. 2026-09-07 22:51 UTCGHSA enrichment
  36. 2026-09-07 18:31 UTCEG score recompute
  37. 2026-09-07 18:31 UTCGHSA enrichment
  38. 2026-09-07 15:56 UTCEPSS rescore
  39. 2026-09-06 20:52 UTCGHSA enrichment
  40. 2026-09-06 16:32 UTCEG score recompute
  41. 2026-09-06 16:32 UTCGHSA enrichment
  42. 2026-09-06 13:43 UTCEPSS rescore
  43. 2026-09-06 11:57 UTCGHSA enrichment
  44. 2026-09-06 07:37 UTCGHSA enrichment
  45. 2026-09-06 03:17 UTCGHSA enrichment
  46. 2026-09-05 22:51 UTCGHSA enrichment
  47. 2026-09-05 18:32 UTCEG score recompute
  48. 2026-09-05 18:32 UTCGHSA enrichment
  49. 2026-09-05 15:23 UTCEPSS rescore
  50. 2026-09-05 08:26 UTCGHSA enrichment
  51. 2026-09-05 04:06 UTCGHSA enrichment
  52. 2026-09-04 14:28 UTCEG score recompute
  53. 2026-09-04 14:28 UTCGHSA enrichment
  54. 2026-09-04 13:56 UTCEPSS rescore
  55. 2026-09-04 10:07 UTCEG score recompute
  56. 2026-09-04 10:07 UTCGHSA enrichment
  57. 2026-09-04 02:16 UTCEG score recompute
  58. 2026-09-04 02:16 UTCGHSA enrichment
  59. 2026-09-03 17:31 UTCGHSA enrichment
  60. 2026-09-03 07:27 UTCEG score recompute
  61. 2026-09-03 07:27 UTCGHSA enrichment
  62. 2026-09-02 14:07 UTCEPSS rescore
  63. 2026-09-02 14:07 UTCEPSS rescore
  64. 2026-09-02 07:46 UTCGHSA enrichment
  65. 2026-09-01 20:49 UTCEG score recompute
  66. 2026-09-01 20:48 UTCGHSA enrichment
  67. 2026-09-01 07:41 UTCEG score recompute
  68. 2026-09-01 07:41 UTCGHSA enrichment
  69. 2026-09-01 03:31 UTCEPSS rescore
  70. 2026-09-01 03:18 UTCGHSA enrichment
  71. 2026-08-31 22:58 UTCGHSA enrichment
  72. 2026-08-31 04:15 UTCGHSA enrichment
  73. 2026-08-30 23:53 UTCGHSA enrichment
  74. 2026-08-30 19:33 UTCEG score recompute
  75. 2026-08-30 19:33 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2017-20242?
CVE-2017-20242 is a critical vulnerability published on August 4, 2026. Keysight IxChariot Endpoint before 9.5.102 contains a stack-based buffer overflow. An unauthenticated remote attacker can send a specially crafted packet to crash the endpoint or potentially execute arbitrary code.
When was CVE-2017-20242 disclosed?
CVE-2017-20242 was first published in the National Vulnerability Database on August 4, 2026, with the most recent update on August 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-20242 actively exploited?
CVE-2017-20242 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 47.7% of all scored CVEs.
What is the CVSS score of CVE-2017-20242?
CVE-2017-20242 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2017-20242?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-20242, 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.

Dependency Blast Radius

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