high
8.1
CWE
284
Advisory Published
Updated

CVE-2023-24544

First published: Tue Apr 11 2023(Updated: )

Improper access control vulnerability in Buffalo network devices allows a network-adjacent attacker to obtain specific files of the product. As a result, the product settings may be altered. The affected products and versions are as follows: BS-GSL2024 firmware Ver. 1.10-0.03 and earlier, BS-GSL2016P firmware Ver. 1.10-0.03 and earlier, BS-GSL2016 firmware Ver. 1.10-0.03 and earlier, BS-GS2008 firmware Ver. 1.0.10.01 and earlier, BS-GS2016 firmware Ver. 1.0.10.01 and earlier, BS-GS2024 firmware Ver. 1.0.10.01 and earlier, BS-GS2048 firmware Ver. 1.0.10.01 and earlier, BS-GS2008P firmware Ver. 1.0.10.01 and earlier, BS-GS2016P firmware Ver. 1.0.10.01 and earlier, and BS-GS2024P firmware Ver. 1.0.10.01 and earlier

Credit: vultures@jpcert.or.jp

Affected SoftwareAffected VersionHow to fix
Buffalo Bs-gsl2024<=1.10-0.03
Buffalo Bs-gsl2024 Firmware
Buffalo Bs-gsl2016p Firmware<=1.10-0.03
Buffalo BS-GSL2016P
Buffalo Bs-gsl2016 Firmware<=1.10-0.03
Buffalo BS-GSL2016
Buffalo BS-GS2008P<=1.0.10.01
Buffalo Bs-gs2008 Firmware
Buffalo BS-GS2016P<=1.0.10.01
Buffalo BS-GS2016
Buffalo Bs-gs2024<=1.0.10.01
Buffalo Bs-gs2024
Buffalo Bs-gs2048 Firmware<=1.0.10.01
Buffalo BS-GS2048
Buffalo BS-GS2008P<=1.0.10.01
Buffalo BS-GS2008P
Buffalo BS-GS2016P<=1.0.10.01
Buffalo Bs-gs2016p Firmware
Buffalo Bs-gs2024<=1.0.10.01
Buffalo Bs-gs2024p Firmware
Buffalo BS-GS2016P<1.1.7.01
Buffalo BS-GS2016HP<1.1.7.01
Buffalo BS-GS2016HP
Buffalo Bs-gs2024<1.1.7.01
Buffalo BS-GS2024HP<1.1.7.01
Buffalo BS-GS2024HP
All of
Buffalo Bs-gsl2024<=1.10-0.03
Buffalo Bs-gsl2024 Firmware
All of
Buffalo Bs-gsl2016p Firmware<=1.10-0.03
Buffalo BS-GSL2016P
All of
Buffalo Bs-gsl2016 Firmware<=1.10-0.03
Buffalo BS-GSL2016
All of
Buffalo BS-GS2008P<=1.0.10.01
Buffalo Bs-gs2008 Firmware
All of
Buffalo BS-GS2016P<=1.0.10.01
Buffalo BS-GS2016
All of
Buffalo Bs-gs2024<=1.0.10.01
Buffalo Bs-gs2024
All of
Buffalo Bs-gs2048 Firmware<=1.0.10.01
Buffalo BS-GS2048
All of
Buffalo BS-GS2008P<=1.0.10.01
Buffalo BS-GS2008P
All of
Buffalo BS-GS2016P<=1.0.10.01
Buffalo Bs-gs2016p Firmware
All of
Buffalo Bs-gs2024<=1.0.10.01
Buffalo Bs-gs2024p Firmware
All of
Buffalo BS-GS2016P<1.1.7.01
Buffalo Bs-gs2016p Firmware
All of
Buffalo BS-GS2016HP<1.1.7.01
Buffalo BS-GS2016HP
All of
Buffalo Bs-gs2024<1.1.7.01
Buffalo Bs-gs2024p Firmware
All of
Buffalo BS-GS2024HP<1.1.7.01
Buffalo BS-GS2024HP

Remedy

https://www.buffalo.jp/news/detail/20230310-01.html

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Reference Links

Frequently Asked Questions

  • What is CVE-2023-24544?

    CVE-2023-24544 is an improper access control vulnerability in Buffalo network devices that allows a network-adjacent attacker to obtain specific files of the product and alter the product settings.

  • Which Buffalo network devices are affected by CVE-2023-24544?

    The affected Buffalo network devices are BS-GSL2024 firmware Ver. 1.10-0.03 and earlier, BS-GSL2016P firmware Ver. 1.10-0.03, BS-GS2008 firmware Ver. 1.0.10.01, BS-GS2016 firmware Ver. 1.0.10.01, BS-GS2024 firmware Ver. 1.0.10.01, BS-GS2048 firmware Ver. 1.0.10.01, BS-GS2008P firmware Ver. 1.0.10.01, BS-GS2016P firmware Ver. 1.0.10.01, BS-GS2024P firmware Ver. 1.0.10.01, BS-GS2016HP firmware up to exclusive 1.1.7.01, and BS-GS2024HP firmware up to exclusive 1.1.7.01.

  • How severe is CVE-2023-24544?

    CVE-2023-24544 has a severity rating of 8.1 (high).

  • How can I fix CVE-2023-24544?

    To fix CVE-2023-24544, update the firmware of the affected Buffalo network devices to a version that is not vulnerable.

  • Where can I find more information about CVE-2023-24544?

    You can find more information about CVE-2023-24544 on the [JVN website](https://jvn.jp/en/vu/JVNVU96824262/) and the [Buffalo website](https://www.buffalo.jp/news/detail/20230310-01.html).

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