9.8

CVE-2020-7533: schneider-electric 140cpu65260_firmware Improper Authentication

CVSS: 9.8v3.1CriticalModified
Published 01-12-2020Last modified 10-06-2025
Open JSON

Vulnerability summary

CVE-2020-7533 is a critical (CVSS 9.8) Improper Authentication vulnerability in schneider-electric 140cpu65260_firmware. EPSS estimates a 2.34% chance of exploitation in the next 30 days, higher than 83.3% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
2.34%
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. 01-12-2020
    PublishedVulnerability first disclosed.
  2. 10-06-2025
    Last modifiedVulnerability information updated.

Description

CWE-287: Improper Authentication vulnerability exists which could cause the execution of commands on the webserver without authentication when sending specially crafted HTTP requests.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

2.34%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

0.00 pp

From 2.34% on 20-09-2026

20-09-202620-10-2026
EPSS score
2.34%

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

Schneider-electric16 products

1 vendor · 16 products

References

2 links