Vulnerability-Lookup

ICSA-20-161-02

Vulnerability from csaf_cisa - Published: 2020-06-09 00:00 - Updated: 2021-04-20 00:00

Summary

Mitsubishi Electric MELSEC iQ-R Series (Update C)

Notes

CISA Disclaimer: This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov

Legal Notice: All information products included in https://us-cert.cisa.gov/ics are provided "as is" for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained within. DHS does not endorse any commercial product or service, referenced in this product or otherwise. Further dissemination of this product is governed by the Traffic Light Protocol (TLP) marking in the header. For more information about TLP, see https://us-cert.cisa.gov/tlp/.

Risk evaluation: Successful exploitation of this vulnerability could cause the Ethernet port to enter a denial-of-service condition.

Critical infrastructure sectors: Critical Manufacturing

Countries/areas deployed: Worldwide

Company headquarters location: Japan

Recommended Practices: CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:

Recommended Practices: CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures. CISA also provides a section for control systems security recommended practices on the ICS webpage onus-cert.cisa.gov. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.

Recommended Practices: Additional mitigation guidance and recommended practices are publicly available on the ICS webpage on us-cert.cisa.gov in the Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies. Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to CISA for tracking and correlation against other incidents.

Exploitability: No known public exploits specifically target this vulnerability.

CVE-2020-13238

5.3 (Medium)


                
                  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE-400 - Uncontrolled Resource Consumption

Affected products

Known affected 6 products

Product	Version	Remediation
RJ71EN71: Firmwar Versions 49 or earlier Mitsubishi Electric / RJ71EN71	<= 49	Vendor Fix Mitigation Mitigation Mitigation Mitigation Mitigation Mitigation Mitigation Mitigation Mitigation fix
R08/16/32/120SFCPU: Firmware Versions 20 or earlier Mitsubishi Electric / R08/16/32/120SFCPU	<= 20	Vendor Fix Mitigation Mitigation Mitigation Mitigation Mitigation Mitigation Mitigation Mitigation Mitigation fix
R08/16/32/120PSFCPU: Firmware Versions 05 or earlier Mitsubishi Electric / R08/16/32/120PSFCPU	<= 05	Vendor Fix Mitigation Mitigation Mitigation Mitigation Mitigation Mitigation Mitigation Mitigation Mitigation fix
R08/16/32/120PCPU: Firmware Versions 24 or earlier Mitsubishi Electric / R08/16/32/120PCPU	<= 24	Vendor Fix Mitigation Mitigation Mitigation Mitigation Mitigation Mitigation Mitigation Mitigation Mitigation fix
R04/08/16/32/120CPU R04/08/16/32/120ENCPU: Firmware Versions 39 or earlier Mitsubishi Electric / R04/08/16/32/120CPU R04/08/16/32/120ENCPU	<= 39	Vendor Fix Mitigation Mitigation Mitigation Mitigation Mitigation Mitigation Mitigation Mitigation Mitigation fix
R00/01/02CPU: Firmware Versions 7 or earlier Mitsubishi Electric / R00/01/02CPU	<= 7	Vendor Fix Mitigation Mitigation Mitigation Mitigation Mitigation Mitigation Mitigation Mitigation Mitigation fix

References

7 references

URL	Category
https://raw.githubusercontent.com/cisagov/CSAF/de…	self
https://www.cisa.gov/news-events/ics-advisories/i…	self
https://www.cisa.gov/news-events/ics-advisories/i…	external
https://us-cert..cisa.gov/sites/default/files/rec…	external
https://us-cert.cisa.gov/ics/tips/ICS-TIP-12-146-01B	external
http://web.nvd.nist.gov/view/vuln/detail?vulnId=C…	external
https://www.first.org/cvss/calculator/3.0#CVSS:3.…	external

Acknowledgments

SCADAfence Yossi Reuven

JSON

To clipboard

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      },
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        {
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            "CSAFPID-0004",
            "CSAFPID-0005",
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            "CSAFPID-0002",
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            "CSAFPID-0004",
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            "CSAFPID-0004",
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        },
        {
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            "CSAFPID-0003",
            "CSAFPID-0004",
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        },
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            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006"
          ]
        },
        {
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            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006"
          ]
        },
        {
          "category": "mitigation",
          "details": "Connection to untrusted networks or hosts: Check whether the modules mounted in the equipment used are connected to untrusted networks or hosts.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006"
          ]
        },
        {
          "category": "mitigation",
          "details": "Firewalls: If the modules are connected to untrusted networks or hosts, check whether measures such as firewalls are properly configured.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
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        },
        {
          "category": "mitigation",
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            "CSAFPID-0004",
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          ],
          "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-001_en.pdf"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.0"
          },
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            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006"
          ]
        }
      ]
    }
  ]
}

CVE-2020-13238 (GCVE-0-2020-13238)

Vulnerability from cvelistv5 – Published: 2020-06-10 19:53 – Updated: 2024-08-04 12:11

Summary

Mitsubishi MELSEC iQ-R Series PLCs with firmware 33 allow attackers to halt the industrial process by sending an unauthenticated crafted packet over the network, because this denial of service attack consumes excessive CPU time. After halting, physical access to the PLC is required in order to restore production.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 29/100 over 2159 records in the last 180 days details

References

3 references

URL	Tags
https://www.mitsubishielectric.com/en/psirt/vulne…	x_refsource_CONFIRM
http://jvn.jp/vu/JVNVU97662844/index.html	x_refsource_MISC
https://www.us-cert.gov/ics/advisories/icsa-20-161-02	x_refsource_MISC

Date Public

2020-06-09 00:00

Show details on NVD website

JSON

To clipboard

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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Publication & reservation Sightings KEV catalogs Other timestamps

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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