CVE-2021-45901
The password-reset form in ServiceNow Orlando provides different responses to invalid authentication attempts depending on whether the username exists.
- Published
- Feb 10, 2022
- Updated
- Aug 4, 2024
- Assigning CNA
- mitre
- Evidence observed
- Feb 16, 2022
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NModerate · next 30 days
- Percentile
- 96.6%
- Model date
- Oct 17, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
The password-reset form in ServiceNow Orlando provides different responses to invalid authentication attempts depending on whether the username exists.
Sources
Proof-of-concept Python script that enumerates valid ServiceNow user accounts by exploiting the password-reset response discrepancy in CVE-2021-45901.
Victor Hanna · multiple · Feb 16, 2022
Responsible use
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