CVE-2021-32077
Primary Source Verification in VerityStream MSOW Solutions before 3.1.1 allows an anonymous internet user to discover Social Security Number (SSN) values via a brute-force attack on a (sometimes hidden) search field, because the last four SSN digits are…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Primary Source Verification in VerityStream MSOW Solutions before 3.1.1 allows an anonymous internet user to discover Social Security Number (SSN) values via a brute-force attack on a (sometimes hidden) search field, because the last four SSN digits are part of the supported combination of search selectors. This discloses doctors' and nurses' social security numbers and PII.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.22% probability · 67th percentile
- CISA KEV
- Not listed
- Affected
- veritystream/msow solutions
- Source
- cve@mitre.org
References
- https://www.marbasec.com/blog/cve-2021-32077-fun-with-social-security-numbersExploit, Third Party Advisory
- https://www.veritystream.com/legacy/msow-solutionsVendor Advisory
- https://www.marbasec.com/blog/cve-2021-32077-fun-with-social-security-numbersExploit, Third Party Advisory
- https://www.veritystream.com/legacy/msow-solutionsVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.