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cveMitreCVE-2021-26833
HistoryApr 06, 2021 - 4:15 p.m.

CVE-2021-26833

2021-04-0616:15:16
CWE-459
mitre
web.nvd.nist.gov
21
3
cleartext storage
timelybills
ios
android
jwt tokens
information security
vulnerability

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

AI Score

5.3

Confidence

High

EPSS

0.004

Percentile

73.4%

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.

Affected configurations

Nvd
Node
timelybillstimelybillsRange1.7.0iphone_os
OR
timelybillstimelybillsRange1.21.115android
VendorProductVersionCPE
timelybillstimelybills*cpe:2.3:a:timelybills:timelybills:*:*:*:*:*:iphone_os:*:*
timelybillstimelybills*cpe:2.3:a:timelybills:timelybills:*:*:*:*:*:android:*:*

Social References

More

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

AI Score

5.3

Confidence

High

EPSS

0.004

Percentile

73.4%

Related for CVE-2021-26833