var-202112-2027
Vulnerability from variot
An attacker may obtain the user credentials from the communication between the PLC and the software. As a result, the PLC user program may be uploaded, altered, and/or downloaded. IDEC Provided by Co., Ltd. PLC The following multiple vulnerabilities exist in. * Sending unprotected credentials ( CWE-523 ) - CVE-2021-37400 ‥ * Plaintext storage of authentication information ( CWE-256 ) - CVE-2021-374010 ‥ * Sending unprotected credentials ( CWE-523 ) - CVE-2021-20826 ‥ * Plaintext storage of authentication information ( CWE-256 ) - CVE-2021-20827 This vulnerability information is reported directly to the product developer by the following reporter, and is provided by the product developer. JPCERT/CC There is an adjustment request in JPCERT/CC Is a reporter, product developer, ICS-CERT We made adjustments with and announced it. Reporter : FM Approvals Khalid Ansari MrThe expected impact depends on each vulnerability, but it may be affected as follows. - CVE-2021-37400 ‥ * File server, backup repository, SD Saved on a card etc. ZLD From the file, the user's credentials are obtained by a third party. as a result, PLC Web Deprived of full access to the server, PLC The output of PLC Is stopped - CVE-2021-20826 ‥ * File server, backup repository, SD Saved on a card etc. ZLD From the file, by a third party PLC Web The server user's authentication information is acquired. as a result, PLC Web Connect to the server and PLC By being hijacked PLC The output of PLC Is stopped - CVE-2021-20827 ‥ * Data file manager v2.13.0 And later. IDEC PLC is a programmable controller
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.