CVE-2009-0668

Unspecified vulnerability in Zope Object Database (ZODB) before 3.8.2, when certain Zope Enterprise Objects (ZEO) database sharing is enabled, allows remote attackers to execute arbitrary Python code via vectors involving the ZEO network protocol.

Published: 2009-08-07 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2009-0668 is rated Moderate Risk (55.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.16%). Core evidence: EPSS rose +1.52% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2009-0668

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 0.64% 2.16% +1.52%
2 2025-03-30 1.81% 0.64% -1.17%
3 2025-03-29 1.81%

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-0668

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/A:P 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:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
8.0 6.4 [email protected]

Weakness enumeration for CVE-2009-0668

GitHub Security Advisory for CVE-2009-0668

GHSA-4x83-5gw5-q346 · Severity: critical · Ecosystem: pip — Zope Object Database (ZODB) vulnerable to arbitrary Python code execution in ZEO storage servers

OS Trackers for CVE-2009-0668

vendor priority summary link
redhat high https://access.redhat.com/security/cve/CVE-2009-0668
ubuntu medium CVE-2009-0668 medium priority: Ubuntu including 6 source packages (zodb, zope2.10, zope2.11, zope2.8, zope2.9, zope3), 60 status rows across 10 suites (dapper, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, upstream): DNE 32, ignored 10, released 8, not-affected 6, needs-triage 4. https://ubuntu.com/security/CVE-2009-0668

Affected software / configurations for CVE-2009-0668

Vendor Product Version Raw CPE
zope zodb <= 3.8.1 cpe:2.3:a:zope:zodb:*:*:*:*:*:*:*:*
zope zodb 2.8.11 cpe:2.3:a:zope:zodb:2.8.11:*:*:*:*:*:*:*
zope zodb 2.9.11 cpe:2.3:a:zope:zodb:2.9.11:*:*:*:*:*:*:*
zope zodb 2.10.9 cpe:2.3:a:zope:zodb:2.10.9:*:*:*:*:*:*:*
zope zodb 2.11.4 cpe:2.3:a:zope:zodb:2.11.4:*:*:*:*:*:*:*
zope zodb 3.1 cpe:2.3:a:zope:zodb:3.1:*:*:*:*:*:*:*
zope zodb 3.1.1 cpe:2.3:a:zope:zodb:3.1.1:*:*:*:*:*:*:*
zope zodb 3.2 cpe:2.3:a:zope:zodb:3.2:*:*:*:*:*:*:*
zope zodb 3.2.4 cpe:2.3:a:zope:zodb:3.2.4:*:*:*:*:*:*:*
zope zodb 3.3 cpe:2.3:a:zope:zodb:3.3:*:*:*:*:*:*:*
zope zodb 3.3.3 cpe:2.3:a:zope:zodb:3.3.3:*:*:*:*:*:*:*
zope zodb 3.4 cpe:2.3:a:zope:zodb:3.4:*:*:*:*:*:*:*
zope zodb 3.4.1 cpe:2.3:a:zope:zodb:3.4.1:*:*:*:*:*:*:*
zope zodb 3.5 cpe:2.3:a:zope:zodb:3.5:*:*:*:*:*:*:*
zope zodb 3.6 cpe:2.3:a:zope:zodb:3.6:*:*:*:*:*:*:*
zope zodb 3.7 cpe:2.3:a:zope:zodb:3.7:*:*:*:*:*:*:*
zope zodb 3.8.0 cpe:2.3:a:zope:zodb:3.8.0:*:*:*:*:*:*:*

References for CVE-2009-0668

cvelogic Threat Intelligence