CVE-2020-28268

Controlled Merge vulnerability

CVSS

7.5

EPSS

3.4%

EPSS pct

88th

Exploited

No known

Prototype pollution vulnerability in 'controlled-merge' versions 1.0.0 through 1.2.0 allows attacker to cause a denial of service and may lead to remote code execution.

Affected vendor

Controlled Merge Project

Affected product

Controlled Merge

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness type (CWE)

CWE-1321 — Prototype Pollution

Published

2020-11-15

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 3.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2020-28268

Confirm whether Controlled Merge Project Controlled Merge is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2020-28268.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-28268

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-28268 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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