Critical severity · published Apr 6, 2017
CVE-2017-7575
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…
9.8
CVSS
4.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.1% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MT
Modicon Tm221ce16r Firmware · Schneider-electric
1.3.3.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-7575
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-7575
download.schneider-electric.com
http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2017-097-02
Third Party Advisory
http://www.securityfocus.com/bid/97523
Exploit
https://os-s.net/advisories/OSS-2017-01.pdf
More from Modicon Tm221ce16r Firmware
9.8
CVE-2017-7574
Schneider Electric SoMachine Basic 1.4 SP1 and Schneider Electric Modicon TM221CE16R 1.3.3.3 devices have a hardcoded-key vulnerability