Security bypass in Plone



| Updated: 2016-12-27
Risk Critical
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2011-1950
CWE-ID CWE-862
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
 Plone
Web applications / CMS

Vendor Plone

Security Bulletin

This security bulletin contains one critical risk vulnerability.

1) Security bypass

EUVDB-ID: #VU2932

Risk: Critical

CVSSv4.0: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:A/U:Red]

CVE-ID: CVE-2011-1950

CWE-ID: CWE-862 - Missing Authorization

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to improper checking for authorization by plone.app.user. A remote attacker can modify the properties of arbitrary accounts.

Successful exploitation of the vulnerability may result in attacker's access to the vulnerable system.

Note: the vulnerability was being actively exploited.

Mitigation

Update the latest version from vendor's website:
https://old.plone.org/products/plone-hotfix/releases/20110531

Vulnerable software versions

Plone: 4.0 - 4.1

CPE2.3 External links

https://old.plone.org/products/plone/security/advisories/CVE-2011-1950


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.



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