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CVE-2021-45901

29
FAUCET Score

CVE-2021-45901 is a username enumeration vulnerability affecting ServiceNow Orlando, where the password reset form provides distinct responses for existing versus non-existent usernames. This medium-severity vulnerability (CVSS 5.3) has a low attack complexity and can lead to information disclosure (CWE-203), specifically revealing valid usernames. While not actively exploited or on the KEV catalog, a public exploit (EDB-50741) exists, though there is minimal community discussion or media coverage surrounding it.

Impacted Technologies

VendorProductVersion(s)CPE
jakartaCPE matchmatch criteria
cpe:2.3:a:servicenow:servicenow:jakarta:p1:*:*:*:*:*:*
jakartaCPE matchmatch criteria
cpe:2.3:a:servicenow:servicenow:jakarta:p2:*:*:*:*:*:*
jakartaCPE matchmatch criteria
cpe:2.3:a:servicenow:servicenow:jakarta:p3:*:*:*:*:*:*
jakartaCPE matchmatch criteria
cpe:2.3:a:servicenow:servicenow:jakarta:p3a:*:*:*:*:*:*
jakartaCPE matchmatch criteria
cpe:2.3:a:servicenow:servicenow:jakarta:p3b:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
14.32%
Probability of exploitation in next 30 days
EPSS Percentile
96.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
ExploitDB: EDB-50741 · Feb 16, 2022
This CVE's current EPSS score of 0.1432 is in the 96th percentile among its peer group of 23,725 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/165989/ServiceNow-Orlando-Username-Enumeration.html
ExploitThird Party Advisory
trustwave.com / en-us/resources/blogs/spiderlabs-blog/servicenow-username-enumeration-vulnerability-cve-2021-45901
ExploitThird Party Advisory
trustwave.com / en-us/resources/security-resources/security-advisories
Vendor Advisory