CVSS v3
9.8
CRITICAL
EPSS Score
1.4 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
An authentication bypass exists in Arcserve UDP prior to version 9.2. An unauthenticated, remote attacker can obtain a valid authentication identifier that allows them to authenticate to the management console and perform tasks that require authentication.
Technical details
- Published
- 2023-11-27
Frequently asked questions
What is CVE-2023-41999?
An authentication bypass exists in Arcserve UDP prior to version 9.2. An unauthenticated, remote attacker can obtain a valid authentication identifier that allows them to authenticate to the management console and perform tasks that require authentication.
Is CVE-2023-41999 actively exploited?
Active exploitation of CVE-2023-41999 has not been confirmed. Its EPSS score was 1.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2023-41999?
CVE-2023-41999 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2023-41999 affecting your environment?
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