CVE-2020-8495
In Kronos Web Time and Attendance (webTA) 3.8.x and later 3.x versions before 4.0, the com...
CVE-2020-8495 is a high vulnerability (CVSS 7.5) in Kronos Web Time And Attendance, published January 30, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 3.14%, the 87th percentile. No source names a fixed version.
In Kronos Web Time and Attendance (webTA) 3.8.x and later 3.x versions before 4.0, the com.threeis.webta.H491delegate servlet allows an attacker with Timekeeper or Supervisor privileges to gain unauthorized administrative privileges within the application via the delegate, delegateRole, and delegatorUserId parameters.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
In Kronos Web Time and Attendance (webTA) 3.8.x and later 3.x versions before 4.0, the com.threeis.webta.H491delegate servlet allows an attacker with Timekeeper or Supervisor privileges to gain unauthorized administrative privileges within the application via the delegate, delegateRole, and delegatorUserId parameters.
- Record
CVE-2020-8495- CVSS 3.0
- 7.5 High
CVSS:3.0/AC:H/AV:N/A:H/C:H/I:H/PR:L/S:U/UI:N - Updated
- 2026-11-02
EUVDEUVD-2020-29361
In Kronos Web Time and Attendance (webTA) 3.8.x and later 3.x versions before 4.0, the com.threeis.webta.H491delegate servlet allows an attacker with Timekeeper or Supervisor privileges to gain unauthorized administrative privileges within the application via the delegate, delegateRole, and delegatorUserId parameters.
- Record
EUVD-2020-29361- CVSS 3.0
- 7.5 High
CVSS:3.0/AC:H/AV:N/A:H/C:H/I:H/PR:L/S:U/UI:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pjg7-vmgm-6qrp No score
In Kronos Web Time and Attendance (webTA) 3.8.x and later 3.x versions before 4.0, the com...
In Kronos Web Time and Attendance (webTA) 3.8.x and later 3.x versions before 4.0, the com.threeis.webta.H491delegate servlet allows an attacker with Timekeeper or Supervisor privileges to gain unauthorized administrative privileges within the application via the delegate, delegateRole, and delegatorUserId parameters.
- Record
GHSA-pjg7-vmgm-6qrp- Weakness
- CWE-863
- Updated
- 2026-11-02
NVD
In Kronos Web Time and Attendance (webTA) 3.8.x and later 3.x versions before 4.0, the com.threeis.webta.H491delegate servlet allows an attacker with Timekeeper or Supervisor privileges to gain unauthorized administrative privileges within the application via the delegate, delegateRole, and delegatorUserId parameters.
- Record
CVE-2020-8495- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.0 Medium
AV:N/AC:M/Au:S/C:P/I:P/A:P - Weakness
- CWE-862
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Kronos WebTA 4.0 - Authenticated Remote Privilege Escalation | 2020-02-05 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, Exploit-DB, GitHub Advisories, NVD |