How severe is CVE-2011-1056?

CVE-2011-1056 has a CVSS 2.0 base score of 6.2, rated medium severity.

Is CVE-2011-1056 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1056?

CVE-2011-1056 affects Metasploit Metasploit Framework. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-1056?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-1056 published?

CVE-2011-1056 was published on 2011-02-21 and last updated on 2026-06-16.

CVE-2011-1056

CVE-2011-1056 is a medium-severity vulnerability in Metasploit Metasploit Framework with a CVSS 2.0 base score of 6.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 2.0 base score 6.2)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Metasploit Metasploit Framework
Published: 2011-02-21
Last modified: 2026-06-16

Description

The installer for Metasploit Framework 3.5.1, when running on Windows, uses weak inherited permissions for the Metasploit installation directory, which allows local users to gain privileges by replacing critical files with a Trojan horse.

Frequently asked questions

What is CVE-2011-1056?: The installer for Metasploit Framework 3.5.1, when running on Windows, uses weak inherited permissions for the Metasploit installation directory, which allows local users to gain privileges by replacing critical files with a Trojan horse.
How severe is CVE-2011-1056?: CVE-2011-1056 has a CVSS 2.0 base score of 6.2, rated medium severity.
Is CVE-2011-1056 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1056?: CVE-2011-1056 affects Metasploit Metasploit Framework. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-1056?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1056 published?: CVE-2011-1056 was published on 2011-02-21 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:metasploit:metasploit_framework:3.5.1:*:*:*:*:*:*:*

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