CVE-2021-27823
An information disclosure vulnerability was discovered in /index.class.php (via port 8181) on...
An information disclosure vulnerability was discovered in /index.class.php (via port 8181) on NetWave System 1.0 which allows unauthenticated attackers to exfiltrate sensitive information from the system.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
An information disclosure vulnerability was discovered in /index.class.php (via port 8181) on NetWave System 1.0 which allows unauthenticated attackers to exfiltrate sensitive information from the system.
- Record
CVE-2021-27823- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
An information disclosure vulnerability was discovered in /index.class.php (via port 8181) on NetWave System 1.0 which allows unauthenticated attackers to exfiltrate sensitive information from the system.
- Record
CVE-2021-27823- Updated
- 2026-11-02
EUVDEUVD-2021-14562 No score
An information disclosure vulnerability was discovered in /index.class.php (via port 8181) on NetWave System 1.0 which allows unauthenticated attackers to exfiltrate sensitive information from the system.
- Record
EUVD-2021-14562- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q26h-wcf8-7fhh
An information disclosure vulnerability was discovered in /index.class.php (via port 8181) on...
An information disclosure vulnerability was discovered in /index.class.php (via port 8181) on NetWave System 1.0 which allows unauthenticated attackers to exfiltrate sensitive information from the system.
- Record
GHSA-q26h-wcf8-7fhh- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-27823 is a high vulnerability (CVSS 7.5) in Mediateknet Netwave System, published May 25, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.06%, the 64th percentile. No source names a fixed version.