CVE-2021-47776
Last modified
CVE-2021-47776 is a medium-severity vulnerability rated 6.9/10 on the CVSS scale. Umbraco CMS v8.14.1 contains a server-side request forgery vulnerability that allows attackers to manipulate baseUrl parameters in multiple dashboard and help controller endpoints. Attackers can craft malicious requests to the GetContextHelpForPage, GetRemoteDashboardContent, and GetRemoteDashboardCss endpoints to trigger unauthorized server-side requests to external hosts.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.
Description
Umbraco CMS v8.14.1 contains a server-side request forgery vulnerability that allows attackers to manipulate baseUrl parameters in multiple dashboard and help controller endpoints. Attackers can craft malicious requests to the GetContextHelpForPage, GetRemoteDashboardContent, and GetRemoteDashboardCss endpoints to trigger unauthorized server-side requests to external hosts.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Umbraco | Umbraco Cms | 8.14.1 |
References
- https://our.umbraco.com/Product
- https://releases.umbraco.com/all-releasesRelease Notes
- https://www.exploit-db.com/exploits/50462Exploit, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2021-47776?
How severe is CVE-2021-47776?
How do I fix CVE-2021-47776?
How Strix Helps
- One Click Account Takeover in GranolaHow a notification link broke out of Electron and led to a one-click account takeover.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-47770OpenPLC v3 contains an authenticated remote code execution v…8.8
- CVE-2021-47771RDP Manager 4.9.9.3 contains a denial of service vulnerabili…6.8
- CVE-2021-4777210-Strike Network Inventory Explorer Pro 9.31 contains a buf…9.8
- CVE-2021-47773Dynojet Power Core 2.3.0 contains an unquoted service path v…8.5
- CVE-2021-47774Kingdia CD Extractor 3.0.2 contains a buffer overflow vulner…9.8
- CVE-2021-47775YouTube Video Grabber, now referred to as YouTube Downloader…8.4
- CVE-2021-47777Build Smart ERP 21.0817 contains an unauthenticated SQL inje…8.8
- CVE-2021-47778GetSimple CMS My SMTP Contact Plugin 1.1.2 contains a PHP co…7.2
- CVE-2021-47779Dolibarr ERP-CRM 14.0.2 contains a stored cross-site scripti…8.4
- CVE-2021-47780Macro Expert 4.7 contains an unquoted service path vulnerabi…8.5
- CVE-2021-47781Cmder Console Emulator 1.3.18 contains a buffer overflow vul…9.8
- CVE-2021-47782Odine Solutions GateKeeper 1.0 contains a SQL injection vuln…8.2
Are you affected by CVE-2021-47776?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST