10

CVE-2015-0987: omron cj2h_plc

CVSS: 10.0v3.1CriticalModified
Published 03-10-2015Last modified 02-06-2026

Vulnerability summary

CVE-2015-0987 is a critical (CVSS 10.0) vulnerability in omron cj2h_plc. EPSS estimates a 1.17% chance of exploitation in the next 30 days, higher than 67.1% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
10.0/10
010
Critical · v3.1 (CVE.org)
EPSS score
1.17%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 03-10-2015
    PublishedVulnerability first disclosed.
  2. 02-06-2026
    Last modifiedVulnerability information updated.

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 metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.17%

Chance of exploitation in the next 30 days

Percentile

67%

Versus all other CVEs

30-day change

0.00 pp

From 1.17% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.17%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Omron3 products

1 vendor · 3 products

References

1 links