CVE-2014-0777

OServer Out of Bounds Read

State: Published
Severity: 8.3 High
Published: Apr 11, 2014
Updated: Sep 24, 2025
Reserved: Jan 2, 2014

Description

The Modbus slave/outstation driver in the OPC Drivers 1.0.20 and earlier in IOServer OPC Server allows remote attackers to cause a denial of service (out-of-bounds read and daemon crash) via a crafted packet.

Scores

CVSS	Score	Vector	Source
2.0	8.3 High	AV:N/AC:M/Au:N/C:P/I:P/A:C	icscert

Weaknesses

CWE-125

Affected Products

Product	Versions
OPC DriversIOServer	1.0.20 and earlierAffected

References

https://www.cisa.gov/news-events/ics-advisories/icsa-14-100-01
http://www.ioserver.com/
http://ics-cert.us-cert.gov/advisories/ICSA-14-100-01

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