How severe is CVE-2023-51363?

CVE-2023-51363 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-51363 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-51363?

CVE-2023-51363 affects Buffalo Vr-s1000 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-51363?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-51363 published?

CVE-2023-51363 was published on 2023-12-26 and last updated on 2026-06-17.

CVE-2023-51363

CVE-2023-51363 is a medium-severity vulnerability in Buffalo Vr-s1000 Firmware with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Buffalo Vr-s1000 Firmware
Published: 2023-12-26
Last modified: 2026-06-17

Description

VR-S1000 firmware Ver. 2.37 and earlier allows a network-adjacent unauthenticated attacker who can access the product's web management page to obtain sensitive information.

Frequently asked questions

What is CVE-2023-51363?: VR-S1000 firmware Ver. 2.37 and earlier allows a network-adjacent unauthenticated attacker who can access the product's web management page to obtain sensitive information.
How severe is CVE-2023-51363?: CVE-2023-51363 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-51363 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-51363?: CVE-2023-51363 affects Buffalo Vr-s1000 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-51363?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-51363 published?: CVE-2023-51363 was published on 2023-12-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:buffalo:vr-s1000_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Buffalo Vr-s1000 Firmware

CVE-2023-46681 — High (CVSS 7.8): Improper neutralization of argument delimiters in a command ('Argument Injection') vulnerability in VR-S1000 firmware…
CVE-2023-45741 — Medium (CVSS 6.8): VR-S1000 firmware Ver. 2.37 and earlier allows an attacker with access to the product's web management page to execute…
CVE-2023-46711 — Medium (CVSS 4.6): VR-S1000 firmware Ver. 2.37 and earlier uses a hard-coded cryptographic key which may allow an attacker to analyze the…

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