9.8

CVE-2020-28215: schneider-electric easergy_t300_firmware Missing Authorization

CVSS: 9.8v3.1CriticalModified
Published 11-12-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-28215 is a critical (CVSS 9.8) Missing Authorization vulnerability in schneider-electric easergy_t300_firmware. EPSS estimates a 2.34% chance of exploitation in the next 30 days, higher than 83.4% 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. 11-12-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A CWE-862: Missing Authorization vulnerability exists in Easergy T300 (firmware 2.7 and older), that could cause a wide range of problems, including information exposures, denial of service, and arbitrary code execution when access control checks are not applied consistently.

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 21-09-2026

21-09-202621-10-2026
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-electric1 product

1 vendor · 1 product

References

2 links