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Fencer Vulns
medium 5.3

CVE-2021-45901 json

The password-reset form in ServiceNow Orlando provides different responses to invalid authentication attempts depending on whether the user…

published 2022-02-10 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-32616

cvss
5.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
14.3%
EPSS 14.3% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

The password-reset form in ServiceNow Orlando provides different responses to invalid authentication attempts depending on whether the username exists.

Timeline

  1. Published
  2. First public exploit (EDB-50741)

Exploit prediction

14.32% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-50741 ServiceNow - Username Enumeration webapps, 2022-02-16
  • trustwave.com https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/servicenow-username-enumeration-vulnerability-cve-2021-45901/ referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/165989/ServiceNow-Orlando-Username-Enumeration.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.