CVE-2018-4904

Acrobat vulnerability

CVSS

8.8

EPSS

43.4%

EPSS pct

99th

Exploited

No known

An issue was discovered in Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions. This vulnerability is an instance of a heap overflow vulnerability. The vulnerability is triggered by crafted TIFF data within an XPS file, which causes an out of bounds memory access. An attacker can potentially leverage the vulnerability to corrupt sensitive data or execute arbitrary code.

Affected vendor

Adobe

Affected product

Acrobat

CVSS vector

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

Weakness type (CWE)

CWE-787 — Out-of-bounds Write

Published

2018-02-27

Risk analysis

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

Its EPSS score of 43.4% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it among the most exploited CVEs currently tracked.

Check your external exposure to CVE-2018-4904

Confirm whether Adobe Acrobat is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2018-4904.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-4904

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-4904 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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