CVE-2021-27509
In Visualware MyConnection Server before 11.0b build 5382, each published report is not...
In Visualware MyConnection Server before 11.0b build 5382, each published report is not associated with its own access code.
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
7.5
In Visualware MyConnection Server before 11.0b build 5382, each published report is not associated with its own access code.
- Record
CVE-2021-27509- 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 - Weakness
- CWE-863
- Updated
- 2026-11-02
CVE List No score
In Visualware MyConnection Server before 11.0b build 5382, each published report is not associated with its own access code.
- Record
CVE-2021-27509- Updated
- 2026-11-02
EUVDEUVD-2021-14263 No score
In Visualware MyConnection Server before 11.0b build 5382, each published report is not associated with its own access code.
- Record
EUVD-2021-14263- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5h45-5f8r-3vx5 No score
In Visualware MyConnection Server before 11.0b build 5382, each published report is not...
In Visualware MyConnection Server before 11.0b build 5382, each published report is not associated with its own access code.
- Record
GHSA-5h45-5f8r-3vx5- Weakness
- CWE-863
- 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-2021-27509 is a high vulnerability (CVSS 7.5) in Visualware Myconnection Server, published February 19, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.01%, the 63rd percentile. No source names a fixed version.