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CVE-2021-33945 Report - Details, Severity, Advisories and More

CVE-2021-33945 Report - Details, Severity, Advisories and More

Twingate Team

Jan 18, 2024

CVE-2021-33945 is a critical vulnerability affecting certain Ricoh printer models, with a severity score of 9.8. This vulnerability is a stack buffer overflow that could potentially allow attackers to cause a Denial of Service (DoS) by sending crafted overflow data. The issue impacts a range of Ricoh printer series, including SP and Aficio models. To address this vulnerability, users are advised to update their printer firmware and follow recommended security practices for network connections.

How do I know if I'm affected?

If you're concerned about the vulnerability, you can check if your Ricoh printer model is affected by referring to the list of impacted devices. The affected models include Ricoh Printer series SP products 320DN, SP 325DNw, SP 320SN, SP 320SFN, SP 325SNw, SP 325SFNw, SP 330SN, Aficio SP 3500SF, SP 221S, SP 220SNw, SP 221SNw, SP 221SF, SP 220SFNw, and SP 221SFNw. If your printer is among these models, it may be vulnerable to this issue. No Apple product versions are mentioned in relation to this vulnerability.

What should I do if I'm affected?

If you're affected by the vulnerability, follow these simple steps: first, download and apply the updated firmware from Ricoh's driver site. Next, use an SSID and password for network connections, avoiding WPS connections. Finally, follow the specific steps provided for network connection setup based on your device and panel type.

Where can I go to learn more?

For more information on the vulnerability and related resources, check out the following references:

Is this in CISA’s Known Exploited Vulnerabilities Catalog?

The vulnerability is not listed in CISA's Known Exploited Vulnerabilities Catalog. This critical vulnerability, affecting certain Ricoh printer models, is a stack buffer overflow that could potentially allow attackers to cause a Denial of Service (DoS). To address this issue, users should update their printer firmware and follow recommended security practices for network connections.

Weakness enumeration

The weakness enumeration for this vulnerability is categorized as CWE-787, that could potentially allow attackers to cause a Denial of Service (DoS) on certain Ricoh printer models.

For more details

CVE-2021-33945 is a critical vulnerability affecting certain Ricoh printer models, with potential consequences such as Denial of Service (DoS) attacks. Users are advised to update their printer firmware and follow recommended security practices to mitigate this issue. For a comprehensive understanding of the vulnerability, including its description, severity, technical details, and known affected software configurations, refer to the NVD page.

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CVE-2021-33945 Report - Details, Severity, Advisories and More

CVE-2021-33945 Report - Details, Severity, Advisories and More

Twingate Team

Jan 18, 2024

CVE-2021-33945 is a critical vulnerability affecting certain Ricoh printer models, with a severity score of 9.8. This vulnerability is a stack buffer overflow that could potentially allow attackers to cause a Denial of Service (DoS) by sending crafted overflow data. The issue impacts a range of Ricoh printer series, including SP and Aficio models. To address this vulnerability, users are advised to update their printer firmware and follow recommended security practices for network connections.

How do I know if I'm affected?

If you're concerned about the vulnerability, you can check if your Ricoh printer model is affected by referring to the list of impacted devices. The affected models include Ricoh Printer series SP products 320DN, SP 325DNw, SP 320SN, SP 320SFN, SP 325SNw, SP 325SFNw, SP 330SN, Aficio SP 3500SF, SP 221S, SP 220SNw, SP 221SNw, SP 221SF, SP 220SFNw, and SP 221SFNw. If your printer is among these models, it may be vulnerable to this issue. No Apple product versions are mentioned in relation to this vulnerability.

What should I do if I'm affected?

If you're affected by the vulnerability, follow these simple steps: first, download and apply the updated firmware from Ricoh's driver site. Next, use an SSID and password for network connections, avoiding WPS connections. Finally, follow the specific steps provided for network connection setup based on your device and panel type.

Where can I go to learn more?

For more information on the vulnerability and related resources, check out the following references:

Is this in CISA’s Known Exploited Vulnerabilities Catalog?

The vulnerability is not listed in CISA's Known Exploited Vulnerabilities Catalog. This critical vulnerability, affecting certain Ricoh printer models, is a stack buffer overflow that could potentially allow attackers to cause a Denial of Service (DoS). To address this issue, users should update their printer firmware and follow recommended security practices for network connections.

Weakness enumeration

The weakness enumeration for this vulnerability is categorized as CWE-787, that could potentially allow attackers to cause a Denial of Service (DoS) on certain Ricoh printer models.

For more details

CVE-2021-33945 is a critical vulnerability affecting certain Ricoh printer models, with potential consequences such as Denial of Service (DoS) attacks. Users are advised to update their printer firmware and follow recommended security practices to mitigate this issue. For a comprehensive understanding of the vulnerability, including its description, severity, technical details, and known affected software configurations, refer to the NVD page.

Rapidly implement a modern Zero Trust network that is more secure and maintainable than VPNs.

CVE-2021-33945 Report - Details, Severity, Advisories and More

Twingate Team

Jan 18, 2024

CVE-2021-33945 is a critical vulnerability affecting certain Ricoh printer models, with a severity score of 9.8. This vulnerability is a stack buffer overflow that could potentially allow attackers to cause a Denial of Service (DoS) by sending crafted overflow data. The issue impacts a range of Ricoh printer series, including SP and Aficio models. To address this vulnerability, users are advised to update their printer firmware and follow recommended security practices for network connections.

How do I know if I'm affected?

If you're concerned about the vulnerability, you can check if your Ricoh printer model is affected by referring to the list of impacted devices. The affected models include Ricoh Printer series SP products 320DN, SP 325DNw, SP 320SN, SP 320SFN, SP 325SNw, SP 325SFNw, SP 330SN, Aficio SP 3500SF, SP 221S, SP 220SNw, SP 221SNw, SP 221SF, SP 220SFNw, and SP 221SFNw. If your printer is among these models, it may be vulnerable to this issue. No Apple product versions are mentioned in relation to this vulnerability.

What should I do if I'm affected?

If you're affected by the vulnerability, follow these simple steps: first, download and apply the updated firmware from Ricoh's driver site. Next, use an SSID and password for network connections, avoiding WPS connections. Finally, follow the specific steps provided for network connection setup based on your device and panel type.

Where can I go to learn more?

For more information on the vulnerability and related resources, check out the following references:

Is this in CISA’s Known Exploited Vulnerabilities Catalog?

The vulnerability is not listed in CISA's Known Exploited Vulnerabilities Catalog. This critical vulnerability, affecting certain Ricoh printer models, is a stack buffer overflow that could potentially allow attackers to cause a Denial of Service (DoS). To address this issue, users should update their printer firmware and follow recommended security practices for network connections.

Weakness enumeration

The weakness enumeration for this vulnerability is categorized as CWE-787, that could potentially allow attackers to cause a Denial of Service (DoS) on certain Ricoh printer models.

For more details

CVE-2021-33945 is a critical vulnerability affecting certain Ricoh printer models, with potential consequences such as Denial of Service (DoS) attacks. Users are advised to update their printer firmware and follow recommended security practices to mitigate this issue. For a comprehensive understanding of the vulnerability, including its description, severity, technical details, and known affected software configurations, refer to the NVD page.