TI-2021-19153 Aliases CVE-2021-43101 GHSA-hq2j-pp84-qph2

A File Upload vulnerability exists in bbs 5.3 is via MembershipCardManageAction.java in a…

LOW 35CWE-434Published 2022-03-28 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: High
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

A File Upload vulnerability exists in bbs 5.3 is via MembershipCardManageAction.java in a GetType function, which lets a remote malicious user execute arbitrary code.

Why it matters now

EPSS 0.01632 76th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

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:diyhi:bbs:5.3:::::::*	5.3	Vulnerable	diyhi

cpe:2.3:a:diyhi:bbs:5.3:*:*:*:*:*:*:* Versions 5.3 Vulnerable ·diyhi

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-43101
2026-10-03 Alias added: GHSA-hq2j-pp84-qph2

References

Exploit 1

https://github.com/diyhi/bbs/issues/51

TI-2025-08670 diyhi bbs File Compression FilePackageManageAction.java information disclosure CVSS 4.0MEDIUM 5.3
TI-2025-06142 diyhi bbs HTTP Header login getUrl server-side request forgery CVSS 4.0MEDIUM 5.3
TI-2025-05854 diyhi bbs API ForumManageAction.java add path traversal CVSS 4.0MEDIUM 5.3
TI-2021-19149 A Server-side Template Injection (SSTI) vulnerability exists in bbs 5.3 in… CVSS 3.1HIGH 7.2
TI-2021-19155 A File Upload vulnerability exists in bbs 5.3 is via ForumManageAction.java in a GetType… CVSS 3.1HIGH 7.2
TI-2021-19154 A File Upload vulnerability exists in bbs 5.3 is via HelpManageAction.java in a GetType… CVSS 3.1HIGH 7.2

See all 9 →

Sources

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