CVE-2008-1393

critical

Description

Plone CMS 3.0.5, and probably other 3.x versions, places a base64 encoded form of the username and password in the __ac cookie for the admin account, which makes it easier for remote attackers to obtain administrative privileges by sniffing the network.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/41427

https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-2540

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

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

http://securityreason.com/securityalert/3754

http://plone.org/products/plone/roadmap/48?

http://plone.org/documentation/how-to/secure-login-without-plain-text-passwords

Details

Source: Mitre, NVD

Published: 2008-03-20

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 10

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

Severity: Critical

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.02904