CVE-2017-7575
9.8
CRITICAL · CVSS 3.1 · EPSS 4% (pctl 90)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 4.01% — more likely to be exploited than 90% of all CVEs |
| Weakness | CWE-200 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2017-04-06 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| schneider-electric | modicon tm221ce16r |
| schneider-electric | modicon tm221ce16r firmware |
References
- http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2017-097-02
- http://www.securityfocus.com/bid/97523
- https://os-s.net/advisories/OSS-2017-01.pdf
- http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2017-097-02
- http://www.securityfocus.com/bid/97523
- https://os-s.net/advisories/OSS-2017-01.pdf
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