Auth bypass in Kronos Web Time And Attendance

CVE-2020-8495

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.

Vulnerability class: Broken Access Control

EPSS: 0.031 (86.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-8495?
CVE-2020-8495 is a high-severity vulnerability in Kronos Web Time And Attendance, classified under Missing Authorization. CVSS score: 7.5/10. Published 2020-01-30.
How severe is CVE-2020-8495?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-8495 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.