CVE-2008-1393

highpriority · track · 41EPSS 0.029 · 87 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

2.90% (87th) EPSS

CVSS 10 · high

Is it mine?

4 products

Check your exposure

Who says so?

3 sources

enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 10 · impact 10

v2.08.5highAV:N/AC:L/Au:N/C:C/I:C/A:C/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-255USprimary

affected products (4)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
plone plone cms≤ 3nvdUScpe:2.3:a:plone:plone_cms:*:*:*:*:*:*:*:*
plone plone cms≤ 3.0.5nvdUScpe:2.3:a:plone:plone_cms:*:*:*:*:*:*:*:*
PyPI plone< 3.0osvUSpkg:pypi/plone

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-593c-j348-f3gvPlone Improper Session Management2022-05-01ghsa · osvUS
Plone CMS before 3, 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.
PYSEC-2026-731Plone Improper Session Management2026-07-02vendor · osvUS
Plone CMS before 3, 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.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd osv nvd NVD CVE.org MITRE

published 2008-03-20modified 2026-06-16

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references (12)

External citations — patches, advisories, analysis.

scry

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