CVE-2020-7533
highpriority · track · 40EPSS 0.023 · 83 %ileEURUUSgrimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
2.34% (83rd) EPSS
CVSS 7.5 · high
Who says so?
4 sources
cnnvd · enisa_euvd · fstec_bdu · nvd
EPSS · scored 2026-10-27
CWE-287: Improper Authentication vulnerability exists which could cause the execution of commands on the webserver without authentication when sending specially crafted HTTP requests.
01
cvss
Technical severity, 0–10. One row per scoring source.
9.8
010
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9
02
weaknesses
The CWE weakness classes this flaw belongs to.
03
affected products (34)
Products and version ranges known to be affected.
- n/a Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see security notification for version information)≤ Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see security notification for version information)enisa_euvdEU
- schneider-electric 140cpu65260 firmware< 6.1nvdUScpe:2.3:o:schneider-electric:140cpu65260_firmware:*:*:*:*:*:*:*:*
- schneider-electric 140noc77101 firmware< 1.08nvdUScpe:2.3:o:schneider-electric:140noc77101_firmware:*:*:*:*:*:*:*:*
showing 20 of 34
04
also known as (4)
Other names and identifiers for this entity.
05
sources
Which sources assert this record, and when.
06
references (7)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2020-7533cnnvd
- https://download.schneider-electric.com/files?p_File_Name=SEVD-2020-287-01_Modicon_Web_Server_Security_Notificatiton.pdf&p_Doc_Ref=SEVD-2020-287-01&p_enDocType=Security+and+Safety+Noticecnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-7533cnnvd
- https://www.se.com/ww/en/download/document/SEVD-2020-287-01/cnnvd
- https://download.schneider-electric.com/files?p_File_Name=SEVD-2020-287-01_Modicon_Web_Server_Security_Notificatiton.pdf&p_Doc_Ref=SEVD-2020-287-01&p_enDocType=Security+and+Safety+Noticeenisa_euvd
- https://download.schneider-electric.com/files?p_File_Name=SEVD-2020-287-01_Modicon_Web_Server_Security_Notificatiton.pdf&p_Doc_Ref=SEVD-2020-287-01&p_enDocType=Security+and+Safety+Noticenvd
- https://www.se.com/ww/en/download/document/SEVD-2020-287-01/Vendor Advisorynvd
scry
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