Critical severity9.8NVD Advisory· Published May 26, 2021· Updated Jun 17, 2026
CVE-2021-22731
CVE-2021-22731
Description
Weak Password Recovery Mechanism for Forgotten Password vulnerability exists on Modicon Managed Switch MCSESM* and MCSESP* V8.21 and prior which could cause an unauthorized password change through HTTP / HTTPS when basic user information is known by a remote attacker.
Affected products
18- Modicon/Modicon Managed Switch MCSESM* and MCSESP*description
- Range: <=V8.21
- cpe:2.3:o:schneider-electric:mcsesp083f23g0_firmware:*:*:*:*:*:*:*:*Range: <8.22
- cpe:2.3:o:schneider-electric:mcsesp083f23g0t_firmware:*:*:*:*:*:*:*:*Range: <8.22
- cpe:2.3:o:schneider-electric:mcsesm043f23f0_firmware:*:*:*:*:*:*:*:*Range: <8.22
- cpe:2.3:o:schneider-electric:mcsesm053f1cu0_firmware:*:*:*:*:*:*:*:*Range: <8.22
- cpe:2.3:o:schneider-electric:mcsesm063f2cu0_firmware:*:*:*:*:*:*:*:*Range: <8.22
- cpe:2.3:o:schneider-electric:mcsesm053f1cs0_firmware:*:*:*:*:*:*:*:*Range: <8.22
- cpe:2.3:o:schneider-electric:mcsesm063f2cs0_firmware:*:*:*:*:*:*:*:*Range: <8.22
- cpe:2.3:o:schneider-electric:mcsesm083f23f0_firmware:*:*:*:*:*:*:*:*Range: <8.22
- cpe:2.3:o:schneider-electric:mcsesm103f2cu0_firmware:*:*:*:*:*:*:*:*Range: <8.22
- cpe:2.3:o:schneider-electric:mcsesm083f23f0h_firmware:*:*:*:*:*:*:*:*Range: <8.22
- cpe:2.3:o:schneider-electric:mcsesm103f2cu0h_firmware:*:*:*:*:*:*:*:*Range: <8.22
- cpe:2.3:o:schneider-electric:mcsesm103f2cs0h_firmware:*:*:*:*:*:*:*:*Range: <8.22
- cpe:2.3:o:schneider-electric:mcsesm123f2lg0_firmware:*:*:*:*:*:*:*:*Range: <8.22
- cpe:2.3:o:schneider-electric:mcsesm093f1cu0_firmware:*:*:*:*:*:*:*:*Range: <8.22
- cpe:2.3:o:schneider-electric:mcsesm093f1cs0_firmware:*:*:*:*:*:*:*:*Range: <8.22
- cpe:2.3:o:schneider-electric:mcsesm103f2cs0_firmware:*:*:*:*:*:*:*:*Range: <8.22
Patches
Vulnerability mechanics
References
1- download.schneider-electric.com/filesnvdPatchVendor Advisory
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