Schneider Electric Modicon TM221CE16R 1.3.3.3 devices allow remote attackers to discover the application-protection password via a \x00\x01…

Published 9 y ago 2017-04-06 · modified 4 mo ago 2026-06-17 · JSON

CVSS

9.8

v3.1 · CNA

CISA KEV

not known exploited

EPSS

4.1%

percentile 91%

Public exploits

none known

Schneider Electric Modicon TM221CE16R 1.3.3.3 devices allow remote attackers to discover the application-protection password via a \x00\x01\x00\x00\x00\x05\x01\x5a\x00\x03\x00 request to the Modbus port (502/tcp). Subsequently the application may be arbitrarily downloaded, modified, and uploaded.

CISA SSVC assessment

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 5 mo ago 2026-05-29

Exploit prediction (EPSS)

4.09% probability of exploitation in the next 30 days, higher than 91% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
CISA ADP	3.1	9.8	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`
CNA	3.1	9.8	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`
NVD	3.0	9.8	`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`
NVD	2.0	5.0	`AV:N/AC:L/Au:N/C:P/I:N/A:N`

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

download.schneider-electric.com /files?p_Doc_Ref=SEVD-2017-097-02 · x_refsource_CONFIRM, x_transferred
os-s.net /advisories/OSS-2017-01.pdf · x_refsource_MISC, x_transferred
securityfocus.com /bid/97523 · vdb-entry, x_refsource_BID, x_transferred

Sources

CVE List: CVE-2017-7575
NVD: CVE-2017-7575

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.

Summary