CVE-2021-42545
Insufficient Session Expiration in TopEase
CVE-2021-42545 is a high vulnerability (CVSS 8.1) in Business-dna Solutions Gmbh Topease, published November 30, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.14%, the 66th percentile. No source names a fixed version.
An insufficient session expiration vulnerability exists in Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27, which allows a remote attacker to reuse, spoof, or steal other user and admin sessions.
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
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Insufficient Session Expiration in TopEase
An insufficient session expiration vulnerability exists in Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27, which allows a remote attacker to reuse, spoof, or steal other user and admin sessions.
- Record
CVE-2021-42545- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-613
- Updated
- 2026-11-02
EUVDEUVD-2021-29514
An insufficient session expiration vulnerability exists in Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27, which allows a remote attacker to reuse, spoof, or steal other user and admin sessions.
- Record
EUVD-2021-29514- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mqvw-2h8p-cf8g No score
An insufficient session expiration vulnerability exists in Business-DNA Solutions GmbH’s TopEase®...
An insufficient session expiration vulnerability exists in Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27, which allows a remote attacker to reuse, spoof, or steal other user and admin sessions.
- Record
GHSA-mqvw-2h8p-cf8g- Weakness
- CWE-613
- Updated
- 2026-11-02
NVD
An insufficient session expiration vulnerability exists in Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27, which allows a remote attacker to reuse, spoof, or steal other user and admin sessions.
- Record
CVE-2021-42545- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N - CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:P/I:P/A:N - Weakness
- CWE-613
- Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD |