How severe is CVE-2011-3502?

CVE-2011-3502 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2011-3502 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-3502?

CVE-2011-3502 primarily affects Cogentdatahub Cogent Datahub. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-3502?

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

When was CVE-2011-3502 published?

CVE-2011-3502 was published on 2011-09-16 and last updated on 2026-06-16.

CVE-2011-3502

CVE-2011-3502 is a medium-severity vulnerability in Cogentdatahub Cogent Datahub 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-200.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Cogentdatahub Cogent Datahub
Published: 2011-09-16
Last modified: 2026-06-16

Description

The web server in Cogent DataHub 7.1.1.63 and earlier allows remote attackers to obtain the source code of executable files via a request with a trailing (1) space or (2) %2e (encoded dot).

Frequently asked questions

What is CVE-2011-3502?: The web server in Cogent DataHub 7.1.1.63 and earlier allows remote attackers to obtain the source code of executable files via a request with a trailing (1) space or (2) %2e (encoded dot).
How severe is CVE-2011-3502?: CVE-2011-3502 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2011-3502 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-3502?: CVE-2011-3502 primarily affects Cogentdatahub Cogent Datahub. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-3502?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-3502 published?: CVE-2011-3502 was published on 2011-09-16 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:cogentdatahub:cogent_datahub:7.0:*:*:*:*:*:*:*
cpe:2.3:a:cogentdatahub:cogent_datahub:7.0.2:*:*:*:*:*:*:*
cpe:2.3:a:cogentdatahub:cogent_datahub:7.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cogentdatahub:cogent_datahub:7.1.1:*:*:*:*:*:*:*
cpe:2.3:a:cogentdatahub:cogent_datahub:7.1.1.63:*:*:*:*:*:*:*

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