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Fencer Vulns
medium 4.3

CVE-2024-2197 json

Chirp Systems Chirp Access Use of Hard-coded Password

published 2024-03-19 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-27157

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 20%
public exploits
0
none known

Summary

The Chirp Access app contains a hard-coded password, BEACON_PASSWORD. An attacker within Bluetooth range could change configuration settings within the Bluetooth beacon, effectively disabling the application's ability to notify users when they are near a Beacon-enabled access point. This variable cannot be used to change the configuration settings of the door readers or locksets and does not affect the ability for authorized users of the mobile application to lock or unlock access points.

Patch / fix

  • Chirp Systems Chirp Access v1.26.0

Vendor advisories

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

cisa ICSA-24-067-01 updated cvss 4.3

Chirp Systems Chirp Access (Update C)

  • Chirp Systems Chirp Access app (Android and iOS)
    affected: mitigation “For additional information, please see Chirp Systems statement here or contact RealPage (Chirp Systems' parent company) via their support page.” statement.chirpsystems.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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 4.3 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CNA 4.0 2.3 CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
CNA 4.0 2.3 CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • Chirp Systems Chirp Access

Classification

Weakness
  • CWE-259 Use of Hard-coded Password

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.