Attacker Value
Unknown
0
CVE-2021-22731
0
CVE ID
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CVE-2021-22731
(Last updated February 22, 2025) ▾
MITRE ATT&CK
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Collection
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Command and Control
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Credential Access
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Defense Evasion
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Discovery
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Execution
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Exfiltration
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Impact
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Initial Access
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Lateral Movement
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Persistence
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Privilege Escalation
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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.
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
9.8 Critical
Impact Score:
5.9
Exploitability Score:
3.9
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
General Information
Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
Modicon Managed Switch MCSESM* and MCSESP* V8.21 and prior Modicon Managed Switch MCSESM* and MCSESP* V8.21 and prior
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown
Vendors
Products
- mcsesm043f23f0 firmware,
- mcsesm053f1cs0 firmware,
- mcsesm053f1cu0 firmware,
- mcsesm063f2cs0 firmware,
- mcsesm063f2cu0 firmware,
- mcsesm083f23f0 firmware,
- mcsesm083f23f0h firmware,
- mcsesm093f1cs0 firmware,
- mcsesm093f1cu0 firmware,
- mcsesm103f2cs0 firmware,
- mcsesm103f2cs0h firmware,
- mcsesm103f2cu0 firmware,
- mcsesm103f2cu0h firmware,
- mcsesm123f2lg0 firmware,
- mcsesp083f23g0 firmware,
- mcsesp083f23g0t firmware
Weaknesses
References
Additional Info
Authenticated
Unknown
Exploitable
Unknown
Reliability
Unknown
Stability
Unknown
Available Mitigations
Unknown
Shelf Life
Unknown
Userbase/Installbase
Unknown
Patch Effectiveness
Unknown
Rapid7
Technical Analysis
Report as Emergent Threat Response
Report as Zero-day Exploit
Report as Exploited in the Wild
CVE ID
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