User accounts enumeration in ServiceNow
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-45901 |
| CWE-ID | CWE-203 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
ServiceNow Server applications / Other server solutions |
| Vendor |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Observable discrepancy
EUVDB-ID: #VU71133
Risk: Low
CVSSv3.1: 3.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2021-45901
CWE-ID:
CWE-203 - Observable discrepancy
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to verbose data output in the password-reset form. A remote attacker can enumerate user accounts.
Install updates from vendor's website.
Vulnerable software versionsServiceNow: before Rome
External linkshttp://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/servicenow-username-enumeration-vulnerability-cve-2021-45901/
http://packetstormsecurity.com/files/165989/ServiceNow-Orlando-Username-Enumeration.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
