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Vulnerability record · CVE-2011-3493 · published 16 September 2011

CVE-2011-3493: Cogentdatahub cogent datahub memory buffer overflow vulnerability

Cogentdatahub · Cogent Datahub

Multiple stack-based buffer overflows in the DH_OneSecondTick function in Cogent DataHub 7.1.1.63 and earlier allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via long (1) domain, (2) report_domain, (3) register_datahub, or (4) slave commands.

10.0 CVSS 2.0 High EPSS 8.0% · top 5.4% CWE-119 · Memory buffer overflow
10.0CVSS 2.0 base score
8.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Multiple stack-based buffer overflows in the DH_OneSecondTick function in Cogent DataHub 7.1.1.63 and earlier allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via long (1) domain, (2) report_domain, (3) register_datahub, or (4) slave commands.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://aluigi.altervista.org/adv/cogent_1-adv.txt Exploit
http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-256-03.pdf US Government Resource
http://aluigi.altervista.org/adv/cogent_1-adv.txt Exploit
http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-256-03.pdf US Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2011-3493), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.