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CVE Record

CVE-2020-20178: Ethereum 0xe933c0cd9784414d5f278c114904f5a84b396919#code.sol latest version is affected by a denial of serv...

Ethereum 0xe933c0cd9784414d5f278c114904f5a84b396919#code.sol latest version is affected by a denial of service vulnerability in the affected payout function. Once the length of this array is too long, it will result in an exception. Attackers can make attacks by creating a series of account addresses.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This CVE concerns one Ethereum smart contract, not a general Ethereum platform flaw. The reported issue can make a payout function fail when an internal address array becomes too large. Business urgency depends on whether your funds, application logic, or operations rely on that exact contract.

Executive priority

Prioritize only if the organization relies on this exact contract for payouts or funds movement. Without that dependency, this is unlikely to be a broad enterprise emergency. Evidence is sparse, so the immediate task is exposure confirmation rather than emergency remediation.

Technical view

The CVE record describes a denial-of-service condition in the payout function of contract 0xe933c0cd9784414d5f278c114904f5a84b396919. Excessive array length can trigger an exception. The source says attackers can cause growth by creating account addresses, but provides no CVSS, CWE, affected product metadata, patch, or mitigation.

Likely exposure

Exposure appears limited to users, wallets, dApps, services, or funds depending on the specified Ethereum contract address and its payout behavior. The source bundle does not identify a vendor product, package, version range, CPE, or broader Ethereum client impact.

Exploitation context

The CVE is not marked KEV, and the provided sources do not state active exploitation. The record describes a plausible denial-of-service path against payout behavior, but does not provide evidence of observed attacks, transaction examples, exploit maturity, or affected business volume.

Researcher notes

Key gaps are severity, CWE, affected product identity, patch status, and exploitation evidence. Analysis should stay tied to the contract address and payout-array DoS claim. Do not generalize this to Ethereum clients, wallets, or unrelated smart contracts without additional evidence.

Mitigation direction

  • Confirm whether any service or wallet depends on the listed contract address.
  • Check the contract owner or maintainer for official guidance or migration options.
  • Avoid assuming a patch exists; no fix is named in the sources.
  • Assess operational and financial impact if payouts from this contract fail.
  • Consider reducing dependency on the affected payout path where feasible.

Validation and detection

  • Inventory dApps, wallets, scripts, and custody processes referencing the contract address.
  • Review Etherscan contract details for the payout function and current contract state.
  • Check whether recent payout attempts are failing unexpectedly.
  • Document whether exposed assets or workflows depend on successful payout execution.
  • Record that CVSS, CWE, vendor, and version metadata are absent.
Prepared
Confidence
low
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2020-20178 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.