CVE-2020-5539 - Authorization Bypass Through User-Controlled Key

Severity

65%

Complexity

39%

Confidentiality

41%

GRANDIT Ver.1.6, Ver.2.0, Ver.2.1, Ver.2.2, Ver.2.3, and Ver.3.0 do not properly manage sessions, which allows remote attackers to impersonate an arbitrary user and then alter or disclose the information via unspecified vectors.

GRANDIT Ver.1.6, Ver.2.0, Ver.2.1, Ver.2.2, Ver.2.3, and Ver.3.0 do not properly manage sessions, which allows remote attackers to impersonate an arbitrary user and then alter or disclose the information via unspecified vectors.

CVSS 3.1 Base Score 6.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N).

CVSS 2.0 Base Score 6.4. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:N).

Overview

Type

Grandit

First reported 4 years ago

2020-03-02 08:15:00

Last updated 4 years ago

2020-03-04 19:56:00

Affected Software

Grandit 1.6

1.6

Grandit 2.0

2.0

Grandit 2.1

2.1

Grandit 2.2

2.2

Grandit 2.3

2.3

Grandit 3.0

3.0

References

https://jvn.jp/en/jp/JVN73472345/index.html

Third Party Advisory

https://www.grandit.jp/etc/20200228_letter.pdf

Vendor Advisory

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