CVE-2019-18626 — Harris Ormed Self Service before 2019

Harris Ormed Self Service before 2019.1.4 allows an authenticated user to view W-2 forms belonging to other users via an arbitrary empNo value to the ORMEDMIS/Data/PY/T4W2Service.svc/RetrieveW2EntriesForEmployee URI, thus exposing sensitive information including employee tax info

01What is this vulnerability?

Harris Ormed Self Service before 2019.1.4 allows an authenticated user to view W-2 forms belonging to other users via an arbitrary empNo value to the ORMEDMIS/Data/PY/T4W2Service.svc/RetrieveW2EntriesForEmployee URI, thus exposing sensitive information including employee tax information, social security numbers, home addresses, and more.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2020-03-25T17:01:30.000Z
• Last modified: 2024-08-05T01:54:14.599Z

09References

• github.com — https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2019-0011/…