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cve[email protected]CVE-2021-20747
HistoryJul 14, 2021 - 2:15 a.m.

CVE-2021-20747

2021-07-1402:15:07
CWE-862
web.nvd.nist.gov
60
2
cve-2021-20747
improper authorization
custom url scheme
retty app
android
ios
vulnerability
security

4.3 Medium

CVSS2

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

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

5 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

35.2%

Improper authorization in handler for custom URL scheme vulnerability in Retty App for Android versions prior to 4.8.13 and Retty App for iOS versions prior to 4.11.14 allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App.

Affected configurations

Vulners
NVD
Node
retty_inc.retty_appRange<4.8.13
OR
retty_inc.retty_appRange<4.11.14

CNA Affected

[
  {
    "product": "Retty App",
    "vendor": "Retty Inc.",
    "versions": [
      {
        "status": "affected",
        "version": "Retty App for Android versions prior to 4.8.13 and Retty App for iOS versions prior to 4.11.14"
      }
    ]
  }
]

Social References

More

4.3 Medium

CVSS2

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

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

5 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

35.2%

Related for CVE-2021-20747