CVE-2025-27451CVE-2025-27451
- 5.3MediumCVSS base score
- 0.43%Exploitation in 30 daysEPSS · top 62% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
For failed login attempts, the application returns different error messages depending on whether the login failed due to an incorrect password or a non-existing username. This allows an attacker to guess usernames until they find an existing one.
Timeline
ID reserved
By SICK AG
- 4 months later
· 4 months later
Published
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| SICK AGCNA (assigner) | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVDNVD · Analyzed | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.43% · top 62% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Affected products
Endress+Hauser · Endress+Hauser MEAC300-FNADE4
- affected ≤ <=0.16.0
Endress+Hauser · Endress+Hauser MEAC300-FNADE4
- unaffected >=0.17.0
What to do
Solution: Customers are strongly advised to update to the newest version.
References
References6
- https://www.endress.com (opens in a new tab)x_Endress+Hauser
- https://sick.com/psirt (opens in a new tab)x_SICK PSIRT Security Advisoriesvendor-advisory
- https://www.cisa.gov/resources-tools/resources/ics-recommended-practices (opens in a new tab)x_ICS-CERT recommended practices on Industrial Security
- https://www.first.org/cvss/calculator/3.1 (opens in a new tab)x_CVSS v3.1 Calculator
- https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0008.json (opens in a new tab)x_The canonical URL.
- https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0008.pdf (opens in a new tab)vendor-advisory
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-19848 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-27451)Record last updated .