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Fencer Vulns
critical 9.1

CVE-2021-27437 json

The affected product allows attackers to obtain sensitive information from the WISE-PaaS dashboard.

published 2021-05-07 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-14191

cvss
9.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

The affected product allows attackers to obtain sensitive information from the WISE-PaaS dashboard. The system contains a hard-coded administrator username and password that can be used to query Grafana APIs. Authentication is not required for exploitation on the WISE-PaaS/RMM (versions prior to 9.0.1).

Patch / fix

  • advantech wise-paas/rmm 9.0.1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-21-124-01 updated cvss 9.1

Advantech WISE-PaaS RMM

  • Advantech WISE-PaaS/RMM < 3.3.29
    affected: mitigation “Advantech no longer sells or maintains RMM and considers it to be an end-of-life product.” select.advantech.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

1.24% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:P/I:P/A:N

Affected products

  • n/a WISE-PaaS/RMM

Classification

Weakness
  • CWE-798 Use of Hard-coded Credentials

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.