Vulnerability CVE-2021-26833


Published: 2021-04-06

Description:
Cleartext Storage in a File or on Disk in TimelyBills <= 1.7.0 for iOS and versions <= 1.21.115 for Android allows attacker who can locally read user's files obtain JWT tokens for user's account due to insufficient cache clearing mechanisms. A threat actor can obtain sensitive user data by decoding the tokens as JWT is signed and encoded, not encrypted.

Type:

CWE-312

(Cleartext Storage of Sensitive Information)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Timelybills -> Timelybills 

 References:
https://beefaaubee.medium.com/cve-2021-26833-cleartext-storage-in-a-file-or-on-disk-in-timelybills-1-7-0-5760dc461bd0

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