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MitreCVE-2018-1000503

HistoryJun 26, 2018 - 4:29 p.m.

CVE-2018-1000503

2018-06-2616:29:00

CWE-269

mitre

web.nvd.nist.gov

mybb

mybb group

incorrect access control

private forums

vulnerability

exploit

idor

nvd

cve-2018-1000503

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

AI Score

5.2

Confidence

High

EPSS

0.001

Percentile

21.7%

JSON

MyBB Group MyBB contains a Incorrect Access Control vulnerability in Private forums that can result in Users can view posts from private forums without having the password. This attack appear to be exploitable via Subscribe to a forum through IDOR. This vulnerability appears to have been fixed in 1.8.15.

Affected configurations

Nvd

Node

mybbmybbRange<1.8.15

VendorProductVersionCPE
mybbmybb*cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
mybb	mybb	*	cpe:2.3:a:mybb:mybb::::::::

References

www.batterystapl.es/2018/03/local-file-inclusion-and-reading.html

blog.mybb.com/2018/03/15/mybb-1-8-15-released-security-maintenance-release/

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

AI Score

5.2

Confidence

High

EPSS

0.001

Percentile

21.7%

JSON

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