Is CVE-2020-7533 in the CISA KEV catalog?

No. CVE-2020-7533 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-7533?

CVE-2020-7533 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2020-7533?

CVE-2020-7533 has an EPSS score of 2.30% (81th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-7533?

Upgrade 140cpu65260 firmware to 6.1 or later. Fixes are available for 16 affected products.

CVE & CISA-KEV Catalog

CVE-2020-7533

CRITICALEPSS 81th pctl

9.8

CVSS v3

NVD

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.

CWE-287Improper Authentication

How to fix

Remediation Available

140cpu65260 firmwareNVD

Affected:< 6.1Fixed in:6.1CVE-2020-7533derived from NVD

140noc77101 firmwareNVD

Affected:< 1.08Fixed in:1.08CVE-2020-7533derived from NVD

140noc78000 firmwareNVD

Affected:< 1.74Fixed in:1.74CVE-2020-7533derived from NVD

140noe77111 firmwareNVD

Affected:< 7.1Fixed in:7.1CVE-2020-7533derived from NVD

bmxnoc0401 firmwareNVD

Affected:< 2.10Fixed in:2.10CVE-2020-7533derived from NVD

bmxnoe0100 firmwareNVD

Affected:< 3.3Fixed in:3.3CVE-2020-7533derived from NVD

bmxnoe0110 firmwareNVD

Affected:< 6.5Fixed in:6.5CVE-2020-7533derived from NVD

modicon m340 bmxp341000 firmwareNVD

Affected:< 3.20Fixed in:3.20CVE-2020-7533derived from NVD

modicon m340 bmxp342000 firmwareNVD

Affected:< 3.20Fixed in:3.20CVE-2020-7533derived from NVD

modicon m340 bmxp3420102 firmwareNVD

Affected:< 3.20Fixed in:3.20CVE-2020-7533derived from NVD

modicon m340 bmxp3420302 firmwareNVD

Affected:< 3.20Fixed in:3.20CVE-2020-7533derived from NVD

tsxety4103 firmwareNVD

Affected:< 6.2Fixed in:6.2CVE-2020-7533derived from NVD

tsxety5103 firmwareNVD

Affected:< 6.4Fixed in:6.4CVE-2020-7533derived from NVD

tsxp574634 firmwareNVD

Affected:< 6.1Fixed in:6.1CVE-2020-7533derived from NVD

tsxp575634 firmwareNVD

Affected:< 6.1Fixed in:6.1CVE-2020-7533derived from NVD

tsxp576634 firmwareNVD

Affected:< 6.1Fixed in:6.1CVE-2020-7533derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

2.30%probability of exploitation in 30 days

81stpercentile

Elevated risk: more likely to be exploited than 81% of all known CVEs.

References

Vendor Advisory1

se.com

Other references1

download.schneider-electric.com

Related Vulnerabilities

Other CWE-287 (Improper Authentication) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-35082	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-35078	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2017-7921	Critical	9.8	100%	KEV	-
CVE-2024-7593	Critical	9.8	100%	KEV	-
CVE-2023-46805	High	8.2	100%	KEV + Ransom	-
CVE-2022-40684	Critical	9.8	100%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-06-10.