CVE-2021-42557
HIGHCVSS 7.5/10EPSS 2.18%
Last modified
CVE-2021-42557 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In Jeedom through 4.1.19, a bug allows a remote attacker to bypass API access and retrieve users credentials.. EPSS estimates a 2.18% chance of exploitation in the next 30 days.
Description
In Jeedom through 4.1.19, a bug allows a remote attacker to bypass API access and retrieve users credentials.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Jeedom | Jeedom | <= 4.1.19 |
References
- https://github.com/jeedom/core/releasesRelease Notes, Third Party Advisory
- https://www.synacktiv.com/sites/default/files/2021-10/advisory_Jeedom_Auth_Bypass_CVE-2021-42557.pdfExploit, Third Party Advisory
- https://github.com/jeedom/core/releasesRelease Notes, Third Party Advisory
- https://www.synacktiv.com/sites/default/files/2021-10/advisory_Jeedom_Auth_Bypass_CVE-2021-42557.pdfExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-42557?
In Jeedom through 4.1.19, a bug allows a remote attacker to bypass API access and retrieve users credentials.
How severe is CVE-2021-42557?
CVE-2021-42557 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.18% probability of exploitation in the next 30 days.
How do I fix CVE-2021-42557?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- 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.
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Are you affected by CVE-2021-42557?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST