CVE-2014-0777 | BDVDB-2026-60855 Detail

IOServerOPC Drivers

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.

Impact#

No impact statement in the source data.

Weaknesses#

CWE-125 Out-of-bounds Read

References#

Exploit#

No public exploit known

History#

Version 12014-04-11Record published in the CVE List.
Version 22025-09-24Most recent update recorded in the CVE List.

Published

Published: 2014-04-11
Last modified: 2025-09-24

Vendor information

Vendor: IOServer
Product: OPC Drivers

All IOServer vulnerabilities

Score

8.3 High

EPSS

2.4%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 84.2.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Memory Corruption

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
<= 1.0.20
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

8.3 High

AV:N/AC:M/Au:N/C:P/I:P/A:C

Metric breakdown
Access Vector	Network
Access Complexity	Medium
Authentication	None
Confidentiality Impact	Partial
Integrity Impact	Partial
Availability Impact	Complete

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).