Appspace 6.2.4 is vulnerable to a broken authentication mechanism where pages such as…
Priority LOW 36CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
Appspace 6.2.4 is vulnerable to a broken authentication mechanism where pages such as /medianet/mail.aspx can be called directly and the framework is exposed with layouts, menus and functionalities.
Why it matters now
EPSS 0.01436 73rd 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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-27990
- 2026-10-03 Alias added: GHSA-hwm9-2683-r7jg
References
More Appspace vulnerabilities
- TI-2021-09115 Appspace 6.2.4 allows SSRF via the api/v1/core/proxy/jsonprequest url parameter. CVSS 3.1CRITICAL 9.8
- TI-2021-09133 Appspace 6.2.4 is affected by Incorrect Access Control via the Appspace Web Portal password reset page. CVSS 3.1MEDIUM 6.5
- TI-2021-09293 Appspace 6.2.4 is vulnerable to stored cross-site scripting (XSS) in multiple parameters… CVSS 3.1MEDIUM 5.4
- TI-2021-09020 A stored XSS issue exists in Appspace 6.2.4. CVSS 3.1MEDIUM 5.4
Sources
- CVE-2021-27990 · CVE Program
- CVE-2021-27990 · NVD
- FIRST EPSS
- GHSA-hwm9-2683-r7jg · GitHub Advisory Database · CC BY 4.0
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