SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-12171

Dropbox.exe (and QtWebEngineProcess.exe in the Web Helper) in the Dropbox desktop application 71.4.108.0 store cleartext credentials in memory upon successful login or new account creation.

HIGH 7.8EPSS 0.92%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.92%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Dropbox.exe (and QtWebEngineProcess.exe in the Web Helper) in the Dropbox desktop application 71.4.108.0 store cleartext credentials in memory upon successful login or new account creation. These are not securely freed in the running process.

CVSS 3.0
7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.92% probability · 60th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-312, CWE-522
Affected
dropbox/dropbox
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 0.92%27 October 202627 October 2026

EPSS 0.9% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.