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No exploitation reportedFix available

CVE-2021-27437

No exploitation reported by the sources we read.

  • Published2021-05-07
  • Fixed in9.0.1
  • WeaknessCWE-798

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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).

Timeline

dates in UTC
  1. 2021-05-0715:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-27437?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-27437?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Advantech wise-paas\/rmm
BranchAffectedFixed in
9.0< 9.0.19.0.1

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • ICSA-21-124-01 CISA1 known affected

    Advantech WISE-PaaS RMM

    WISE-PaaS/RMM: versions prior to 3.3.29

Full record on NVD

Fix

  1. Update Advantech wise-paas\/rmm to 9.0.1
  2. Mitigation from the vendor CISA ICSA-21-124-01 · 1 productAdvantech no longer sells or maintains RMM and considers it to be an end-of-life product.
  3. Mitigation from the vendor CISA ICSA-21-124-01 · 1 productAdvantech recommends users replace the device with a succeeding model such as WISE-DeviceOn.

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • NVDCVSS 3.19.1read 2026-10-23
  • NVDCVSS 2.06.4read 2026-10-23
  • CNAweakness (CWE)CWE-798read 2026-10-23
  • FIRST EPSSEPSS score1.2 %2026-10-22

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Published
2021-05-07
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2021-27437?

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).

Is CVE-2021-27437 actively exploited?

Active exploitation of CVE-2021-27437 has not been confirmed. Its EPSS score was 1.2% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-27437?

CVE-2021-27437 has a CVSS v3 base score of 9.1 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

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