CVE-2021-42557 json
In Jeedom through 4.1.19, a bug allows a remote attacker to bypass API access and retrieve users credentials.
published 2021-11-01 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-29525
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.2%
- EPSS 2.2% chance of exploitation in 30 days, percentile 83%
- public exploits
- 0
- none known
Summary
In Jeedom through 4.1.19, a bug allows a remote attacker to bypass API access and retrieve users credentials.
Exploit prediction
2.25% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- synacktiv.com https://www.synacktiv.com/sites/default/files/2021-10/advisory_Jeedom_Auth_Bypass_CVE-2021-42557.pdf referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
References
-
synacktiv.com
/sites/default/files/2021-10/advisory_Jeedom_Auth_Bypass_CVE-2021-42557.pdf
exploit, third-party-advisory
-
github.com
/jeedom/core/releases
release-notes, third-party-advisory
Sources
- CVE List CVE-2021-42557
- NVD CVE-2021-42557
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