CVE-2011-3493

Cogent DataHub <7.1.1.63 - Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2011-3493. PoCs published by mr_me, Luigi Auriemma.

AI-analyzed exploit summary This exploit targets a Unicode buffer overflow in Cogent DataHub <= v7.1.1.63, delivering a reverse shell on port 1337. It uses a crafted payload with alignment adjustments and shellcode to achieve remote code execution.

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.

Exploits (2)

exploitdb WORKING POC VERIFIED
by mr_me · pythonremotewindows
https://www.exploit-db.com/exploits/17884

This exploit targets a Unicode buffer overflow in Cogent DataHub <= v7.1.1.63, delivering a reverse shell on port 1337. It uses a crafted payload with alignment adjustments and shellcode to achieve remote code execution.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Cogent DataHub <= v7.1.1.63
No auth needed
Prerequisites: Network access to target on port 4502 · Target running vulnerable version of Cogent DataHub
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC
by Luigi Auriemma · textdoswindows
https://www.exploit-db.com/exploits/17838

This exploit targets a stack-based Unicode buffer overflow in Cogent DataHub's DH_OneSecondTick function via commands like 'domain' or 'register_datahub'. The PoC sends a crafted payload over port 4052 (or 4053 with SSL) to trigger the vulnerability.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Cogent DataHub <= 7.1.1.63
No auth needed
Prerequisites: network access to target ports (4052/4053)
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References

Scores

EPSS 0.0778
EPSS Percentile 93.9%

Details

CWE
CWE-119
Status published
Products (5)
cogentdatahub/cogent_datahub 7.0
cogentdatahub/cogent_datahub 7.0.2
cogentdatahub/cogent_datahub 7.1.0
cogentdatahub/cogent_datahub 7.1.1
cogentdatahub/cogent_datahub < 7.1.1.63
Published Sep 16, 2011
Tracked Since Feb 18, 2026