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CVE-2017-12117

INDEX BUILT · 2026-09-20

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An exploitable improper authorization vulnerability exists in miner_start API of cpp-ethereum's JSON-RPC (commit 4e1015743b95821849d001618a7ce82c7c073768)

CVE-2017-121173 of 4 sources documented this
20

rank 20 = 0 + 20 + 0 + 0 + 0

rank@v1 · backlog

Someone is already using it

CISA KEV catalog · public proof-of-concept · FIRST EPSS

EPSS 0.01361  ·  without this subject the record ranks 20

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 8.1, from NVD  ·  without this subject the record ranks 0

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

no persisting rise in 365 days  ·  without this subject the record ranks 20

How much of the world it touches

NVD CPE configurations

0 products in the CPE ranges  ·  without this subject the record ranks 20

Someone else already set the date

CISA KEV remediation due date

no CISA due date  ·  without this subject the record ranks 20

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$16,300over the next 30 days, if this record is yours
Movementno material movementthe record holds only daily drift and scoring model releases
Basisassumeda published average, not your estate

$16,300 = $4.99M incident cost x 0.24048551839932833 exposure x 0.01361 likelihood

udv@v1 · unaudited · wrong for you until you say what you run

$4.99M is the cost of a breach that happened, from IBM Cost of a Data Breach Report 2026, global average. It is not the value of any asset of yours. That average already covers breaches of every severity, so scaling it by exposure understates a partial-impact record. That is an assumption, not a measurement. Your own asset value goes in the decision record.

Hindsight · the state

0.01361EPSSNOT IN KEVas of 2026-09-20
Severity4 MEDIUMreceipt
Harmunauthenticated · networkreceipt
Exploitationnone in held sources
Defenseno fix version held
Movementrisenreceipt
PLATEAU10Minimal movement since 2021-04-14, 1903 days at 0.01, as of 2026-06-30. arc-rules@v1

Foresight · where to check next

Cisco AdaptiveCVE-2021-40655AtlassianMicrosoft WindowsFortinet FortiOS,Adobe Experience12117

This record is one instance of CWE-863, incorrect authorization. The index holds 4015 prior instances of this class, 21 KEV-listed. The nearest of its KEV-listed records are drawn beside this. taxonomy@v1

Full pattern panel

Prior records in this weakness class. Each is its own record, dated and receipted.
Color is a claim, not decoration:the hostile worldthe defenseno signalspoke length is how much of the record matches, not how bad it is

Sources disagree here.

Severity score
Talos4 MEDIUMreceipt
NVD8.1 HIGHreceipt
Scoring standard
TalosCVSS v3.0receipt
NVDCVSS v3.1receipt
What it costs
TalosPartial integrity loss, with impact beyond the vulnerable componentreceipt
NVDComplete confidentiality, integrity and availability lossreceipt

Both shown, dated. We don't pick winners. disagreement-rules@v1

Running Talos CPP-Ethereum? Check your version

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Harm, if it fires from the vector and the weakness

Written for the ticket you're about to file.

Reachnetwork-reachable · no privileges required · no user interaction · high attack complexityreceipt
ImpactPartial integrity loss, with impact beyond the vulnerable componentreceipt
Scored fromCVSS v3.0 · the CNA's vectorreceipt
Weakness classCWE-863 Incorrect Authorizationreceipt
Published consequencesCWE-863: Confidentiality: Read Application Data, Read Files or Directories; Integrity: Modify Application Data, Modify Files or Directories…[email protected]

CISA KEV & Federal Remediation Deadline from the record and CISA

The fix, and how long it's been waiting.

Fixed inNo fix version in held sources, as the index stood on 30 Jun 2026.
Patch available sinceNo dated patch-availability record in held sources. The index holds reference URLs without dates and only the current revision of the CVE record, so the day a fix first existed cannot be derived. Only the versions it landed in.

Exploit Status & Known PoCs a ladder, not a score

Current rung: Nothing observed in held sources.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published
  • RUNG 3Exploited in the wild · CISA KEV listed
  • RUNG 4Ransomware campaign use known

Authority who says so

CVSS, the CNA4 MEDIUMreceipt
CVSS, NVD8.1 HIGHreceipt
Exploit probability0.01361 · top 29% of all CVEsreceipt
Assigned bytalosreceipt
Recorded changes15 · last 19 Sep 2026derived

Affected & Fixed Versions as published

Affected productTalos CPP-Ethereumreceipt

A rung lights from a row in the index, never from an assessment. "Held sources" is the true scope of the claim: this index reads the CVE record, NVD, CISA KEV, FIRST's EPSS and public proof-of-concept repositories, and it does not observe attacks.

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What it is stated by the CNA

An exploitable improper authorization vulnerability exists in miner_start API of cpp-ethereum's JSON-RPC (commit 4e1015743b95821849d001618a7ce82c7c073768). A JSON request can cause an access to the restricted functionality resulting in authorization bypass. An attacker can send JSON to trigger this vulnerability. receipt

NVD's analysis a second authority

severity
8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
weakness
CWE-863

The CNA scored it 4 and NVD 8.1. Both are shown because both were published; we do not pick one.

check it yourself securityfocus.com talosintelligence.com receipt

Movement the material steps

14 Apr 20210.00624
7 Mar 20230.01423 · scoring model v2023.03.01
17 Mar 20250.00084 · scoring model v2025.03.14
15 Jun 20260.01387 · scoring model v2026.06.15
30 Jun 20260.01361
Show all 15 observations
14 Apr 20210.00624
4 Feb 20220.00885
7 Mar 20230.01423
8 May 20230.01536
12 Jun 20230.01513
4 Nov 20230.01274
17 Dec 20240.01443
17 Mar 20250.00084
29 Mar 20250.0013
30 Mar 20250.00084
21 Apr 20250.00156
5 Aug 20250.00148
15 Dec 20250.00613
15 Jun 20260.01387
30 Jun 20260.01361

15 observations held. A highlighted step crossed a promotion threshold. A step marked with a scoring model moved because the instrument was replaced, not because the vulnerability changed. receipt

The full biography

EPSS 0.01361Published2018-01-19Index as of2026-06-30

The record had been public for 8 years, 5 months when this index was last written.

Published 2018-01-19 receipt · Index as of 2026-06-30 derived

The pattern, elsewhere

This record is one instance of CWE-863, incorrect authorization. The index holds 4015 prior instances of this class, 21 KEV-listed. The nearest of its KEV-listed records are drawn beside this. [email protected]

CVE-2023-20269 · Cisco Adaptive Security Appliance (ASA)…matches 6 of 9KEV listed · 2023receipt
CVE-2021-40655matches 4 of 8KEV listed · 2021receipt
CVE-2023-22518 · Atlassian Confluence Data Centermatches 4 of 9KEV listed · 2023receipt
CVE-2022-41091 · Microsoft Windows 10 Version 1507matches 4 of 9KEV listed · 2022receipt
CVE-2018-13382 · Fortinet FortiOS, FortiProxymatches 4 of 9KEV listed · 2019receipt
CVE-2025-54253 · Adobe Experience Managermatches 4 of 9KEV listed · 2025receipt

"Matches n of m" counts the attributes the two records can both be compared on: the CVSS metrics they share a version of, any weakness class beyond this one, and the vendor. fit-rules@v1

4015 records in this class held. The six above are drawn from the ones CISA has listed as exploited, ranked by how much of the record matches this one. That is why every one of them is KEV-listed: the pool is, so the colour on those spokes says nothing the pool has not already said.

No curated product neighbourhood is held for this product, so the records above are the nearest this index can name. The neighbourhood table covers a small set of products and is extended by hand.

Siblings and hubs

Records related to this one

Its defect family

talos cpp-ethereum

Of the 7 records in this family that state one, this holds the lowest EPSS percentile: 0.6986.

Grouped by shared product and weakness, not by shared vulnerability. Each record's own state is on its own page.

Family membership: held values

This record is one of a group, and the group's page describes all of them. This page is kept and dated, and the defect family's own page is the one we offer for indexing: the whole group.

Browse the index from here

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What usually comes next

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