CVE-2021-36717
Synerion TimeNet version 9.21 - Directory Traversal
Synerion TimeNet version 9.21 contains a directory traversal vulnerability where, on the "Name" parameter, the attacker can return to the root directory and open the host file. This might give the attacker the ability to view restricted files, which could provide the attacker with more information required to further compromise the system.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Synerion TimeNet version 9.21 - Directory Traversal
Synerion TimeNet version 9.21 contains a directory traversal vulnerability where, on the "Name" parameter, the attacker can return to the root directory and open the host file. This might give the attacker the ability to view restricted files, which could provide the attacker with more information required to further compromise the system.
- Record
CVE-2021-36717- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
EUVDEUVD-2021-23310
Synerion TimeNet version 9.21 contains a directory traversal vulnerability where, on the "Name" parameter, the attacker can return to the root directory and open the host file. This might give the attacker the ability to view restricted files, which could provide the attacker with more information required to further compromise the system.
- Record
EUVD-2021-23310- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rwww-93cx-4h2hNo score
In order to perform a directory traversal attack, all an attacker needs is a web browser and some...
In order to perform a directory traversal attack, all an attacker needs is a web browser and some knowledge on where to blindly find any default files and directories on the system. on the "Name" parameter the attacker can return to the root directory and open the host file. This might give the attacker the ability to view restricted files, which could provide the attacker with more information required to further compromise the system.
- Record
GHSA-rwww-93cx-4h2h- Weakness
- CWE-22
- Updated
- 2026-11-02
NVD
Synerion TimeNet version 9.21 contains a directory traversal vulnerability where, on the "Name" parameter, the attacker can return to the root directory and open the host file. This might give the attacker the ability to view restricted files, which could provide the attacker with more information required to further compromise the system.
- Record
CVE-2021-36717- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - 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-22
- 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-2021-36717 is a medium vulnerability (CVSS 5.4) in Synerion Timenet, published September 7, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.95%, the 61st percentile. No source names a fixed version.