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Fencer Vulns
critical 9.8

CVE-2020-26510 json

Airleader Master <= 6.21 devices have default credentials that can be used to access the exposed Tomcat Manager for deployment of a new .wa…

published 2020-11-16 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-19057

cvss
9.8
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 82%
public exploits
0
none known

Summary

Airleader Master <= 6.21 devices have default credentials that can be used to access the exposed Tomcat Manager for deployment of a new .war file, with resultant remote code execution.

Exploit prediction

2.20% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-1188 Initialization of a Resource with an Insecure Default

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.