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Vulnerability record · CVE-2015-0987 · published 6 October 2015

CVE-2015-0987: Omron cx-programmer information exposure vulnerability

OOmron · Cx Programmer

Omron CX-One CX-Programmer before 9.6, CJ2M PLC devices before 2.1, and CJ2H PLC devices before 1.5 rely on cleartext password transmission, which allows remote attackers to obtain sensitive information by sniffing the network during a PLC unlock request.

10.0 CVSS 3.1 Critical EPSS 1.2% · top 33.8% CWE-200 · Information exposureCWE-319 · Cleartext transmission
10.0CVSS 3.1 base score, v2 5.0
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Omron CX-One CX-Programmer before 9.6, CJ2M PLC devices before 2.1, and CJ2H PLC devices before 1.5 rely on cleartext password transmission, which allows remote attackers to obtain sensitive information by sniffing the network during a PLC unlock request.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:H

Affected products

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

References

LinkTags
https://ics-cert.us-cert.gov/advisories/ICSA-15-274-01 Third Party AdvisoryUS Government Resource
https://ics-cert.us-cert.gov/advisories/ICSA-15-274-01 Third Party AdvisoryUS Government Resource

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Related vulnerabilities

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

9.8CVE-2022-3397Omron cx-programmer out-of-bounds write vulnerabilityOMRON CX-Programmer 9.78 and prior is vulnerable to an Out-of-Bounds Write, which may allow an attacker to execute arbitrary code.EPSS 0.62%9.8CVE-2022-3398Omron cx-programmer out-of-bounds write vulnerabilityOMRON CX-Programmer 9.78 and prior is vulnerable to an Out-of-Bounds Write, which may allow an attacker to execute arbitrary code.EPSS 0.62%9.8CVE-2022-3396Omron cx-programmer out-of-bounds write vulnerabilityOMRON CX-Programmer 9.78 and prior is vulnerable to an Out-of-Bounds Write, which may allow an attacker to execute arbitrary code.EPSS 0.62%7.8CVE-2023-22277Omron cx-programmer use after free vulnerabilityUse after free vulnerability exists in CX-Programmer Ver.9.79 and earlier. By having a user open a specially crafted CXP file, information disclosure…EPSS 0.24%7.8CVE-2023-22314Omron cx-programmer use after free vulnerabilityUse after free vulnerability exists in CX-Programmer Ver.9.79 and earlier. By having a user open a specially crafted CXP file, information disclosure…EPSS 0.24%7.8CVE-2023-22317Omron cx-programmer use after free vulnerabilityUse after free vulnerability exists in CX-Programmer Ver.9.79 and earlier. By having a user open a specially crafted CXP file, information disclosure…EPSS 0.24%7.8CVE-2023-38747Omron cx-programmer out-of-bounds write vulnerabilityHeap-based buffer overflow vulnerability exists in CX-Programmer Included in CX-One CXONE-AL[][]D-V4 V9.80 and earlier. By having a user open a speci…EPSS 0.24%7.8CVE-2023-38748Omron cx-programmer use after free vulnerabilityUse after free vulnerability exists in CX-Programmer Included in CX-One CXONE-AL[][]D-V4 V9.80 and earlier. By having a user open a specially crafted…EPSS 0.22%

Source: NIST National Vulnerability Database (record CVE-2015-0987), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.