CVE-2021-45901
CVE-2021-45901 is a medium-severity vulnerability in Servicenow with a CVSS 3.x base score of 5.3. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-203.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- CVSS v2: 5.0
- EPSS exploit prediction: 14% (96th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-203
- Affected product: Servicenow
- Published:
- Last modified:
Description
The password-reset form in ServiceNow Orlando provides different responses to invalid authentication attempts depending on whether the username exists.
Frequently asked questions
- What is CVE-2021-45901?
- The password-reset form in ServiceNow Orlando provides different responses to invalid authentication attempts depending on whether the username exists.
- How severe is CVE-2021-45901?
- CVE-2021-45901 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2021-45901 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-45901?
- CVE-2021-45901 primarily affects Servicenow. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-45901?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-45901 published?
- CVE-2021-45901 was published on 2022-02-10 and last updated on 2026-06-17.
References
- http://packetstormsecurity.com/files/165989/ServiceNow-Orlando-Username-Enumeration.html
- https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/servicenow-username-enumeration-vulnerability-cve-2021-45901/
- https://www.trustwave.com/en-us/resources/security-resources/security-advisories/
Affected products (7)
- cpe:2.3:a:servicenow:servicenow:jakarta:p1:*:*:*:*:*:*
- cpe:2.3:a:servicenow:servicenow:jakarta:p2:*:*:*:*:*:*
- cpe:2.3:a:servicenow:servicenow:jakarta:p3:*:*:*:*:*:*
- cpe:2.3:a:servicenow:servicenow:jakarta:p3a:*:*:*:*:*:*
- cpe:2.3:a:servicenow:servicenow:jakarta:p3b:*:*:*:*:*:*
- cpe:2.3:a:servicenow:servicenow:jakarta:p4:*:*:*:*:*:*
- cpe:2.3:a:servicenow:servicenow:jakarta:p5:*:*:*:*:*:*
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