CVE-2008-1396

critical

Description

Plone CMS 3.x uses invariant data (a client username and a server secret) when calculating an HMAC-SHA1 value for an authentication cookie, which makes it easier for remote attackers to gain permanent access to an account by sniffing the network.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/41421

http://www.securityfocus.com/archive/1/489544/100/0/threaded

http://www.procheckup.com/Hacking_Plone_CMS.pdf

http://securityreason.com/securityalert/3754

Details

Source: Mitre, NVD

Published: 2008-03-20

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 9.1

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

Severity: Critical

EPSS

EPSS: 0.00327