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Fencer Intel
medium 5.0

CVE-2011-3501 json

Integer overflow in Cogent DataHub 7.1.1.63 and earlier allows remote attackers to cause a denial of service (crash) via a negative or larg…

published 2011-09-16 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-3464

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 87%
public exploits
1
Exploit-DB

Summary

Integer overflow in Cogent DataHub 7.1.1.63 and earlier allows remote attackers to cause a denial of service (crash) via a negative or large Content-Length value.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-11-280-01 updated cvss 5.0

Cogent DataHub Vulnerabilities

  • Cogent Real-Time Systems Cascade DataHub 6_6.4.20. Cogent Real-Time Systems Cogent DataHub 7_until_7.1.2 Cogent Real-Time Systems OPC DataHub <6.4.20
    affected: mitigation

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Timeline

  1. First public exploit (EDB-17839)
  2. Published

Exploit prediction

2.94% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-17839 Cogent DataHub 7.1.1.63 - Integer Overflow dos, 2011-09-14
  • aluigi.altervista.org http://aluigi.altervista.org/adv/cogent_3-adv.txt referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.