CVE-2021-3252 json
KACO New Energy XP100U Up to XP-JAVA 2.0 is affected by incorrect access control.
published 2021-02-23 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-26591
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.6%
- EPSS 2.6% chance of exploitation in 30 days, percentile 85%
- public exploits
- 0
- none known
Summary
KACO New Energy XP100U Up to XP-JAVA 2.0 is affected by incorrect access control. Credentials will always be returned in plain-text from the local server during the KACO XP100U authentication process, regardless of whatever passwords have been provided, which leads to an information disclosure vulnerability.
Exploit prediction
2.59% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- tiger-team-1337.blogspot.com https://tiger-team-1337.blogspot.com/2021/01/kaco-xp100u-hmi-credential-leak.html 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 |
Classification
- Weakness
-
- CWE-522 Insufficiently Protected Credentials
References
-
tiger-team-1337.blogspot.com
/2021/01/kaco-xp100u-hmi-credential-leak.html
exploit, technical-description, third-party-advisory
-
us-cert.cisa.gov
/ics/alerts/ICS-ALERT-15-224-01
third-party-advisory, us-government-resource
-
twitter.com
/Kevin2600/status/1351189347501023238
third-party-advisory
Sources
- CVE List CVE-2021-3252
- NVD CVE-2021-3252
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