How severe is CVE-2012-5100?

CVE-2012-5100 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2012-5100 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-5100?

CVE-2012-5100 affects Luizpicanco Hserver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2012-5100?

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

When was CVE-2012-5100 published?

CVE-2012-5100 was published on 2012-09-23 and last updated on 2026-06-16.

CVE-2012-5100

CVE-2012-5100 is a medium-severity vulnerability in Luizpicanco Hserver with a CVSS 2.0 base score of 5.0. 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

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Luizpicanco Hserver
Published: 2012-09-23
Last modified: 2026-06-16

Description

Directory traversal vulnerability in HServer 0.1.1 allows remote attackers to read arbitrary files via a (1) ..%5c (dot dot encoded backslash) or (2) %2e%2e%5c (encoded dot dot backslash) in the PATH_INFO.

Frequently asked questions

What is CVE-2012-5100?: Directory traversal vulnerability in HServer 0.1.1 allows remote attackers to read arbitrary files via a (1) ..%5c (dot dot encoded backslash) or (2) %2e%2e%5c (encoded dot dot backslash) in the PATH_INFO.
How severe is CVE-2012-5100?: CVE-2012-5100 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2012-5100 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-5100?: CVE-2012-5100 affects Luizpicanco Hserver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-5100?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-5100 published?: CVE-2012-5100 was published on 2012-09-23 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:luizpicanco:hserver:0.1.1:*:*:*:*:*:*:*

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