BlackVue App API Endpoint credentials storage

published 2025-03-17 19 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-6674

cvss: 3.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 5%
public exploits: 0; none known

A vulnerability was found in BlackVue App 3.65 on Android and classified as problematic. Affected by this issue is some unknown functionality of the component API Endpoint Handler. The manipulation of the argument BCS_TOKEN/SECRET_KEY leads to unprotected storage of credentials. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 19 mo ago (2025-03-17)

Exploit prediction

0.16% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/geo-chen/BlackVue/blob/main/README.md#finding-2-hardcoded-secrets-exposed-in-plaintext referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	4.8	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CNA	3.1	3.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA	3.0	3.3	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA	2.0	1.7	AV:L/AC:L/Au:S/C:P/I:N/A:N
CNA	4.0	4.8	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/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

BlackVue App

Classification

Weakness

CWE-256 Plaintext Storage of a Password
CWE-255 Credentials Management Errors

References

github.com /geo-chen/BlackVue/blob/main/README.md#finding-2-hardcoded-secrets-exposed-in-plaintext
exploit
vuldb.com /?id.299822
vdb-entry, technical-description
vuldb.com /?ctiid.299822
signature, permissions-required
vuldb.com /?submit.513351
third-party-advisory

Sources

CVE List CVE-2025-2355
NVD CVE-2025-2355

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.

Summary