CVE-2011-0751

CVE-2011-0751 is a high-severity vulnerability in Nazgul Nostromo with a CVSS 2.0 base score of 7.5. 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-22.

Key facts

Description

Directory traversal vulnerability in nhttpd (aka Nostromo webserver) before 1.9.4 allows remote attackers to execute arbitrary programs or read arbitrary files via a ..%2f (encoded dot dot slash) in a URI.

Frequently asked questions

What is CVE-2011-0751?
Directory traversal vulnerability in nhttpd (aka Nostromo webserver) before 1.9.4 allows remote attackers to execute arbitrary programs or read arbitrary files via a ..%2f (encoded dot dot slash) in a URI.
How severe is CVE-2011-0751?
CVE-2011-0751 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2011-0751 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0751?
CVE-2011-0751 primarily affects Nazgul Nostromo. In total, 41 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-0751?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2011-0751 published?
CVE-2011-0751 was published on 2011-03-16 and last updated on 2026-06-16.

References

Affected products (41)

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