CVE-2017-2128

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-17. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: EPSS, GitHub Security Advisory, NVD CVSS v3
8.8EG
EchelonGraph verdictPlan mitigationRemediate 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: 1.6%CVSS: 8.8Exploit: None knownExposed services: Not assessed

No fix has been recorded since the CVE record was published in 2017 — isolate the affected system (restrict network access to it, for example with a firewall, or keep it off the internet) or retire the product.

Security guide for website operators allows remote attackers to execute arbitrary OS commands via specially crafted saved data.

CVSS v3
8.8
EG Score
8.8HIGHmedium confidence
EG Risk
45
EG Risk 45/100

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)
Severity88% × 45%
The EG Score, 8.8 of 10.
Exploitation1.6% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
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 or medium mission impact; Track or Attend at high (mission-essential systems).
Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). 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: No fix has been recorded since the CVE record was published in 2017. Isolate the affected system within your standard update timelines at low or medium mission impact and sooner than that at high (restrict network access to it, for example with a firewall, or keep it off the internet) or retire the product.
EPSS PROB
1.6%
EPSS %ILE
75th
KEV
Not listed

SSVC (CISA's decision table, applied by EchelonGraph)Track at low or medium mission impact; Track or Attend at high (mission-essential systems).

No fix has been recorded since the CVE record was published in 2017. Isolate the affected system within your standard update timelines at low or medium mission impact and sooner than that at high (restrict network access to it, for example with a firewall, or keep it off the internet) or retire the product.

Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). 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

April 28, 2017

Last Modified

June 17, 2026

Advisory Details (2)

Auto-updated Aug 18, 2026
No fix on record since 2017.
Web page

SecurityFocus

http://www.securityfocus.com/bid/96923
Web page

JVN#11448789: Security guide for website operators vulnerable to OS command injection

http://jvn.jp/en/jp/JVN11448789/index.html

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 20× 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 84 of 134 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. 16 repeat rows among the latest 100 are merged into the row they repeat. The 50 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-10-11 13:41 UTCEPSS rescoreEPSS 1.6% · 75th percentile
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  10. 2026-09-30 14:59 UTCEPSS rescoreEPSS 1.6% · 74th percentile
  11. 2026-09-30 09:32 UTCEG score recompute
  12. 2026-09-28 13:45 UTCEPSS rescoreEPSS 1.6% · 74th percentile
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  1. 2026-09-02 14:07 UTCEPSS rescoreEPSS 1.6% · 74th percentile
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  10. 2026-08-18 13:43 UTCEPSS rescoreEPSS 1.6% · 73rd percentile
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  23. 2026-07-30 16:24 UTCEPSS rescoreEPSS 1.6% · 73rd percentile
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  27. 2026-07-23 14:15 UTCEPSS rescoreEPSS 1.6% · 73rd percentile
  28. 2026-07-23 01:29 UTCEG score recompute
  29. 2026-07-22 22:08 UTCEG score recompute
  30. 2026-07-22 14:04 UTCEPSS rescoreEPSS 1.6% · 73rd percentile
  31. 2026-07-21 15:21 UTCEPSS rescoreEPSS 1.6% · 73rd percentile
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  59. 2026-06-19 19:23 UTCEPSS rescoreEPSS 1.6% · 72nd percentile

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Frequently asked(5)

What is CVE-2017-2128?
CVE-2017-2128 is a high-severity vulnerability; its CVE record was published on April 28, 2017. Security guide for website operators allows remote attackers to execute arbitrary OS commands via specially crafted saved data.
When was CVE-2017-2128 made public?
CVE-2017-2128 was made public on April 28, 2017: that is the date its CVE record's CNA, JPCERT/CC, gives for when the vulnerability was made public. The CVE record itself was published on April 28, 2017. EchelonGraph's copy of the record carries a last-modified date of June 17, 2026; the record at its source may have been updated since.
Is CVE-2017-2128 actively exploited?
CVE-2017-2128 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.6% probability of exploitation in the next 30 days (75th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2017-2128?
CVE-2017-2128 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2017-2128?
No fix for CVE-2017-2128 has been recorded since its CVE record was published in 2017, and neither the vendor feeds EchelonGraph reads nor the CVE record's references hold the vendor's own advisory. Isolate the affected system (restrict network access to it, for example with a firewall, or keep it off the internet) or retire the product.

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