CVE-2012-4426

Mcrypt vulnerability

CVSS

6.8

EPSS

4.7%

EPSS pct

91th

Exploited

No known

Multiple format string vulnerabilities in mcrypt 2.6.8 and earlier might allow user-assisted remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via vectors involving (1) errors.c or (2) mcrypt.c.

Affected vendor

Mcrypt

Affected product

Mcrypt

CVSS vector

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

Weakness type (CWE)

CWE-134 — Uncontrolled Format String

Published

2012-11-21

Risk analysis

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

Its EPSS score of 4.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2012-4426

Confirm whether Mcrypt Mcrypt is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2012-4426.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2012-4426

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