CVE-2008-1393

Exp

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.

Published: 2008-03-20 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2008-1393 is rated High Exploit Risk (85.9/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.88%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.21% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2008-1393

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2008-1393

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.67% 2.88% +1.21%
2 2025-03-17 9.91% 1.67% -8.24%
3 2025-03-01 9.91%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-1393

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 10.0 [email protected]

Weakness enumeration for CVE-2008-1393

GitHub Security Advisory for CVE-2008-1393

GHSA-593c-j348-f3gv · Severity: high · Ecosystem: pip — Plone Improper Session Management

OS Trackers for CVE-2008-1393

vendor priority summary link
ubuntu low CVE-2008-1393 low priority: Ubuntu including 1 source packages (zope-cmfplone), 13 status rows across 13 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, upstream): DNE 6, ignored 6, needs-triage 1. https://ubuntu.com/security/CVE-2008-1393

Affected software / configurations for CVE-2008-1393

Vendor Product Version Raw CPE
plone plone_cms <= 3 cpe:2.3:a:plone:plone_cms:*:*:*:*:*:*:*:*
plone plone_cms <= 3.0.5 cpe:2.3:a:plone:plone_cms:*:*:*:*:*:*:*:*

References for CVE-2008-1393

cvelogic Threat Intelligence