How severe is CVE-2023-33507?

CVE-2023-33507 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-33507 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-33507?

CVE-2023-33507 affects Kramerav Via Go2 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-33507?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-33507 published?

CVE-2023-33507 was published on 2023-05-31 and last updated on 2026-06-17.

CVE-2023-33507

Q: What is CVE-2023-33507?

KramerAV VIA GO² < 4.0.1.1326 is vulnerable to Unauthenticated arbitrary file read.

CVE-2023-33507 is a high-severity vulnerability in Kramerav Via Go2 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Kramerav Via Go2 Firmware
Published: 2023-05-31
Last modified: 2026-06-17

Description

KramerAV VIA GO² < 4.0.1.1326 is vulnerable to Unauthenticated arbitrary file read.

Frequently asked questions

What is CVE-2023-33507?: KramerAV VIA GO² < 4.0.1.1326 is vulnerable to Unauthenticated arbitrary file read.
How severe is CVE-2023-33507?: CVE-2023-33507 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-33507 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-33507?: CVE-2023-33507 affects Kramerav Via Go2 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-33507?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-33507 published?: CVE-2023-33507 was published on 2023-05-31 and last updated on 2026-06-17.

References

https://zxsecurity.co.nz/research/advisories/kramer-via-go-2-rce-and-other-vulns/

Affected products (1)

cpe:2.3:o:kramerav:via_go2_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Kramerav Via Go2 Firmware

CVE-2023-33509 — Critical (CVSS 9.8): KramerAV VIA GO² < 4.0.1.1326 is vulnerable to SQL Injection.
CVE-2023-33508 — Critical (CVSS 9.8): KramerAV VIA GO² < 4.0.1.1326 is vulnerable to unauthenticated file upload resulting in Remote Code Execution (RCE).
CVE-2023-33468 — Critical (CVSS 9.1): KramerAV VIA Connect (2) and VIA Go (2) devices with a version prior to 4.0.1.1326 exhibit a vulnerability that enables…
CVE-2023-33469 — High (CVSS 7.8): In instances where the screen is visible and remote mouse connection is enabled, KramerAV VIA Connect (2) and VIA Go…

All CVEs affecting Kramerav Via Go2 Firmware →