Answer in brief
CVE-2023-53963 records a Critical severity (CVSS 9.3) vulnerability in SOUND4 IMPACT/FIRST/PULSE/Eco v2.x Unauthenticated Remote Command Injection. The current sources do not mark it as known exploited. The current feed maps SOUND4 Ltd./BigVoice2 (generic), SOUND4 Ltd./BigVoice4 (generic), SOUND4 Ltd./Impact/Pulse Eco (generic), SOUND4 Ltd./Impact/Pulse/First (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 9.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps SOUND4 Ltd./BigVoice2 (generic), SOUND4 Ltd./BigVoice4 (generic), SOUND4 Ltd./Impact/Pulse Eco (generic), SOUND4 Ltd./Impact/Pulse/First (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| SOUND4 Ltd./BigVoice2generic | 1.30 | Not reported |
| SOUND4 Ltd./BigVoice4generic | 1.2 | Not reported |
| SOUND4 Ltd./Impact/Pulse Ecogeneric | 1.16 | Not reported |
| SOUND4 Ltd./Impact/Pulse/Firstgeneric | Version 2: 1.1/2.15 | Not reported |
| SOUND4 Ltd./Streamgeneric | 1.1/2.4.29 | Not reported |
| Kantar Media/WM2generic | 1.11 | Not reported |
Published upstream
Dec 22, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 1, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Oct 1, 2026
SOUND4 IMPACT/FIRST/PULSE/Eco v2.x contains an unauthenticated OS command injection vulnerability that allows remote attackers to execute arbitrary shell commands through the 'password' parameter. Attackers can exploit the login.php and index.php scripts by injecting shell commands via the 'password' POST parameter to execute commands with web server privileges.
Quoted source text, attributed separately from HOL analysis.