7.8

CVE-2020-27257: omron cx-one Type Confusion

CVSS: 7.8v3.1HighModified
Published 09-02-2021Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2020-27257 is a high (CVSS 7.8) Type Confusion vulnerability in omron cx-one. EPSS estimates a 1.78% chance of exploitation in the next 30 days, higher than 78% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
1.78%
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. 09-02-2021
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

This vulnerability allows local attackers to execute arbitrary code due to the lack of proper validation of user-supplied data, which can result in a type-confusion condition in the Omron CX-One Version 4.60 and prior devices.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.78%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

0.00 pp

From 1.78% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.78%

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

Omron4 products
  • cx-one≥ unspecified, ≤ 4.60 | ≤ 4.60
  • cx-position≥ unspecified, ≤ 2.52 | ≤ 2.52
  • cx-protocol≥ unspecified, ≤ 2.02 | ≤ 2.02
  • cx-server≥ unspecified, ≤ 5.0.28 | ≤ 5.0.28

1 vendor · 4 products

References

2 links