CVE-2007-6427

X Server vulnerability

CVSS

9.3

EPSS

4.3%

EPSS pct

90th

Exploited

No known

The XInput extension in X.Org Xserver before 1.4.1 allows context-dependent attackers to execute arbitrary code via requests related to byte swapping and heap corruption within multiple functions, a different vulnerability than CVE-2007-4990.

Affected vendor

X.Org

Affected product

X Server

CVSS vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Weakness type (CWE)

CWE-787 — Out-of-bounds Write

Published

2008-01-18

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 4.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2007-6427

Confirm whether X.Org X Server is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2007-6427.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2007-6427

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2007-6427 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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