How severe is CVE-2023-53962?

CVE-2023-53962 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 none, integrity high, and availability none.

Is CVE-2023-53962 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-53962?

CVE-2023-53962 primarily affects Sound4 Stream Extension. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-53962?

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.

Does CVE-2023-53962 have an EU (EUVD) identifier?

Yes. CVE-2023-53962 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60247.

When was CVE-2023-53962 published?

CVE-2023-53962 was published on 2025-12-22 and last updated on 2026-06-17.

CVE-2023-53962

CVE-2023-53962 is a high-severity vulnerability in Sound4 Stream Extension 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. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.8
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-60247
Weakness: CWE-22
Affected product: Sound4 Stream Extension
Published: 2025-12-22
Last modified: 2026-06-17

Description

SOUND4 IMPACT/FIRST/PULSE/Eco v2.x contains an unauthenticated directory traversal vulnerability that allows remote attackers to write arbitrary files through the 'upgfile' parameter in upload.cgi. Attackers can exploit the vulnerability by sending crafted multipart form-data POST requests with directory traversal sequences to write files to unintended system locations.

Frequently asked questions

What is CVE-2023-53962?: SOUND4 IMPACT/FIRST/PULSE/Eco v2.x contains an unauthenticated directory traversal vulnerability that allows remote attackers to write arbitrary files through the 'upgfile' parameter in upload.cgi. Attackers can exploit the vulnerability by sending crafted multipart form-data POST requests with directory traversal sequences to write files to unintended system locations.
How severe is CVE-2023-53962?: CVE-2023-53962 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 none, integrity high, and availability none.
Is CVE-2023-53962 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-53962?: CVE-2023-53962 primarily affects Sound4 Stream Extension. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-53962?: 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.
Does CVE-2023-53962 have an EU (EUVD) identifier?: Yes. CVE-2023-53962 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60247.
When was CVE-2023-53962 published?: CVE-2023-53962 was published on 2025-12-22 and last updated on 2026-06-17.

References

Affected products (12)

cpe:2.3:o:sound4:impact_firmware:2.15:*:*:*:*:*:*:*
cpe:2.3:o:sound4:impact_firmware:1.69:*:*:*:*:*:*:*
cpe:2.3:o:sound4:pulse_firmware:2.15:*:*:*:*:*:*:*
cpe:2.3:o:sound4:pulse_firmware:1.69:*:*:*:*:*:*:*
cpe:2.3:o:sound4:first_firmware:2.15:*:*:*:*:*:*:*
cpe:2.3:o:sound4:first_firmware:1.69:*:*:*:*:*:*:*
cpe:2.3:a:sound4:stream_extension:2.4.29:*:*:*:*:*:*:*
cpe:2.3:o:sound4:wm2_firmware:1.11:*:*:*:*:*:*:*
cpe:2.3:o:sound4:big_voice2_firmware:1.30:*:*:*:*:*:*:*
cpe:2.3:o:sound4:big_voice4_firmware:1.2:*:*:*:*:*:*:*
cpe:2.3:o:sound4:pulse_eco_firmware:1.16:*:*:*:*:*:*:*
cpe:2.3:o:sound4:impact_eco_firmware:1.16:*:*:*:*:*:*:*

More vulnerabilities in Sound4 Stream Extension

CVE-2022-50796 — Critical (CVSS 9.8): SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x contains an unauthenticated remote code execution vulnerability in the firmware…
CVE-2022-50794 — Critical (CVSS 9.8): SOUND4 IMPACT/FIRST/PULSE/Eco versions 2.x and below contain an unauthenticated command injection vulnerability in the…
CVE-2022-50696 — Critical (CVSS 9.8): SOUND4 IMPACT/FIRST/PULSE/Eco versions 2.x and below contain hardcoded credentials embedded in server binaries that…
CVE-2022-50694 — Critical (CVSS 9.8): SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x contains an SQL injection vulnerability in the 'username' POST parameter of…
CVE-2023-53964 — Critical (CVSS 9.8): SOUND4 IMPACT/FIRST/PULSE/Eco v2.x contains an unauthenticated vulnerability in the /usr/cgi-bin/restorefactory.cgi…
CVE-2023-53963 — Critical (CVSS 9.8): SOUND4 IMPACT/FIRST/PULSE/Eco v2.x contains an unauthenticated OS command injection vulnerability that allows remote…

All CVEs affecting Sound4 Stream Extension →

Other CWE-22 (Path Traversal) vulnerabilities

CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…

Browse all CWE-22 (Path Traversal) vulnerabilities →