Advisory: Websphere Portal SSRFs & Post Auth RCE - CVE-2021-27748

CVE

CVE-2021-27748

Published

2021-12-25 00:00

Collected

2026-10-07 18:00

---
id: 9043
title: "Advisory: Websphere Portal SSRFs & Post Auth RCE - CVE-2021-27748"
cve: CVE-2021-27748
source_domain: slcyber.io
source_url: "https://www.slcyber.io/research/advisory-websphere-portal-ssrfs-post-auth-rce-cve-2021-27748"
published_at: "2021-12-25T00:00:00Z"
tags: ["rce", "vulnerability-research", "advisory", "ssrf", "ibm", "websphere"]
phying_url: "https://phying.com/item/9043"
lang: en
---

# Advisory: Websphere Portal SSRFs & Post Auth RCE - CVE-2021-27748

## Summary

Websphere Portal 9 is vulnerable to multiple unauthenticated SSRFs and a post-auth RCE via directory traversal in Zip file upload.

## Intelligence Metadata

- **Sources:** slcyber.io
- **CVE:** CVE-2021-27748
- **Published:** 2021-12-25T00:00:00Z
- **Original:** https://www.slcyber.io/research/advisory-websphere-portal-ssrfs-post-auth-rce-cve-2021-27748
- **Phying News:** https://phying.com/item/9043