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cve[email protected]CVE-2021-0522
HistoryJun 21, 2021 - 5:15 p.m.

CVE-2021-0522

2021-06-2117:15:08
CWE-416
CWE-125
web.nvd.nist.gov
39
4
cve-2021-0522
connectionhandler
sdpcb
connection_handler.cc
out of bounds read
use after free
remote information disclosure
android-11
android-9
android-10
nvd

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

7 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

38.0%

In ConnectionHandler::SdpCb of connection_handler.cc, there is a possible out of bounds read due to a use after free. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-9 Android-10Android ID: A-174182139

Affected configurations

NVD
Node
googleandroidMatch9.0
OR
googleandroidMatch10.0
OR
googleandroidMatch11.0

CNA Affected

[
  {
    "product": "Android",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Android-11 Android-9 Android-10"
      }
    ]
  }
]

Social References

More

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

7 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

38.0%