CVE-2021-36123
NVD-CWE-OtherPublished: July 13, 2021· Updated: Jun 17, 2026
Official Description
An issue was discovered in Echo ShareCare 8.15.5. The TextReader feature in General/TextReader/TextReader.cfm is susceptible to a local file inclusion vulnerability when processing remote input in the textFile parameter from an authenticated user, leading to the ability to read arbitrary files on the server filesystems as well any files accessible via Universal Naming Convention (UNC) paths.
Technical Analysis
CVE-2021-36123 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 6.5.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (NVD-CWE-Other)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-36123 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts