CVE-2018-19862

Minishare vulnerability

CVSS

9.8

EPSS

12.6%

EPSS pct

96th

Exploited

No known

Buffer overflow in MiniShare 1.4.1 and earlier allows remote attackers to execute arbitrary code via a long HTTP POST request. NOTE: this product is discontinued.

Affected vendor

Minishare Project

Affected product

Minishare

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-119 — Improper Restriction of Operations within Memory Bounds

Published

2019-01-03

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 confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 12.6% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2018-19862

Confirm whether Minishare Project Minishare is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2018-19862.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-19862

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-19862 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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