TI-2021-14549 Aliases CVE-2021-36121 GHSA-wqqh-79fq-5fg5

An issue was discovered in Echo ShareCare 8.15.5.

MEDIUM 42CWE-434Published 2021-07-13 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-434.

Summary

An issue was discovered in Echo ShareCare 8.15.5. The file-upload feature in Access/DownloadFeed_Mnt/FileUpload_Upd.cfm is susceptible to an unrestricted upload vulnerability via the name1 parameter, when processing remote input from an authenticated user, leading to the ability for arbitrary files to be written to arbitrary filesystem locations via ../ Directory Traversal on the Z: drive (a hard-coded drive letter where ShareCare application files reside) and remote code execution as the ShareCare service user (NT AUTHORITY\SYSTEM).

Why it matters now

EPSS 0.02147 82nd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:echobh:sharecare:8.15.5:::::::*	8.15.5	Vulnerable	Echobh

cpe:2.3:a:echobh:sharecare:8.15.5:*:*:*:*:*:*:* Versions 8.15.5 Vulnerable ·Echobh

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-36121
2026-10-03 Alias added: GHSA-wqqh-79fq-5fg5

References

Advisory 1

https://github.com/atredispartners/advisories/blob/master/ATREDIS-2021-0001.md

TI-2021-14552 An issue was discovered in Echo ShareCare 8.15.5. CVSS 3.1CRITICAL 9.8
TI-2021-12965 Echo ShareCare 8.15.5 is susceptible to SQL injection vulnerabilities when processing… CVSS 3.1CRITICAL 9.8
TI-2021-14550 An issue was discovered in Echo ShareCare 8.15.5. CVSS 3.1HIGH 8.8
TI-2021-14551 An issue was discovered in Echo ShareCare 8.15.5. CVSS 3.1MEDIUM 6.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences