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Fencer Intel
high 7.5

CVE-2020-13637 json

An issue was discovered in the stashcat app through 3.9.2 for macOS, Windows, Android, iOS, and possibly other platforms.

published 6y ago modified 4mo ago also EUVD-2020-5879

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

Summary

An issue was discovered in the stashcat app through 3.9.2 for macOS, Windows, Android, iOS, and possibly other platforms. It stores the client_key, the device_id, and the public key for end-to-end encryption in cleartext, enabling an attacker (by copying or having access to the local storage database file) to login to the system from any other computer, and get unlimited access to all data in the users's context.

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Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-312 Cleartext Storage of Sensitive Information

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.