CVE-2021-45901
The password-reset form in ServiceNow Orlando provides different responses to invalid authentication attempts depending on whether the username exists.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 14.3%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
Description
The password-reset form in ServiceNow Orlando provides different responses to invalid authentication attempts depending on whether the username exists.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 14.32% probability · 97th percentile
- Public exploits
- 1 in Exploit-DB · first 16 February 2022
- CISA KEV
- Not listed
- Weakness
- CWE-203
- Affected
- servicenow/servicenow
- Source
- cve@mitre.org
EPSS 14.3% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/165989/ServiceNow-Orlando-Username-Enumeration.htmlExploit, Third Party Advisory
- https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/servicenow-username-enumeration-vulnerability-cve-2021-45901/Exploit, Third Party Advisory
- https://www.trustwave.com/en-us/resources/security-resources/security-advisories/Vendor Advisory
- http://packetstormsecurity.com/files/165989/ServiceNow-Orlando-Username-Enumeration.htmlExploit, Third Party Advisory
- https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/servicenow-username-enumeration-vulnerability-cve-2021-45901/Exploit, Third Party Advisory
- https://www.trustwave.com/en-us/resources/security-resources/security-advisories/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.