High severity · published Apr 11, 2023
CVE-2023-24544
Improper access control vulnerability in Buffalo network devices allows a network-adjacent attacker to obtain specific files of the product
8.1
CVSS
0.3%
EPSS
No
On KEV
Description
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
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BA
BS-GSL and BS-GS series · BUFFALO INC.
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 · source: vendor
BF
Bs-gs2008 Firmware · Buffalo
through 1.0.10.01 · source: NVD
BF
Bs-gs2008p Firmware · Buffalo
through 1.0.10.01 · source: NVD
BF
Bs-gs2016 Firmware · Buffalo
through 1.0.10.01 · source: NVD
BF
Bs-gs2016hp Firmware · Buffalo
before 1.1.7.01 · source: NVD
BF
Bs-gs2016p Firmware · Buffalo
through 1.0.10.01; before 1.1.7.01 · source: NVD
BF
Bs-gs2024 Firmware · Buffalo
through 1.0.10.01 · source: NVD
BF
Bs-gs2024hp Firmware · Buffalo
before 1.1.7.01 · source: NVD
BF
Bs-gs2024p Firmware · Buffalo
through 1.0.10.01; before 1.1.7.01 · source: NVD
BF
Bs-gs2048 Firmware · Buffalo
through 1.0.10.01 · source: NVD
BF
Bs-gsl2016 Firmware · Buffalo
through 1.10-0.03 · source: NVD
BF
Bs-gsl2016p Firmware · Buffalo
through 1.10-0.03 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-24544
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-24544
Third Party Advisory
https://jvn.jp/en/vu/JVNVU96824262/
Patch
https://www.buffalo.jp/news/detail/20230310-01.html
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Use of hard-coded credentials vulnerability in Buffalo network devices allows an attacker to access the debug function of the product