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Fencer Intel
low 3.7

CVE-2019-11334 json

An authentication bypass in website post requests in the Tzumi Electronics Klic Lock application 1.0.9 for mobile devices allows attackers…

published 7y ago modified 4mo ago also EUVD-2019-3015

cvss
3.7
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits
0
none known

Summary

An authentication bypass in website post requests in the Tzumi Electronics Klic Lock application 1.0.9 for mobile devices allows attackers to access resources (that are not otherwise accessible without proper authentication) via capture-replay. Physically proximate attackers can use this information to unlock unauthorized Tzumi Electronics Klic Smart Padlock Model 5686 Firmware 6.2.

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Exploit prediction

1.59% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/whitehatdefenses/KlicUnLock referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/153280/Tzumi-Electronics-Klic-Lock-Authentication-Bypass.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-294 Authentication Bypass by Capture-replay

References

Sources

Fencer Intel 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.