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Fencer Vulns
critical 9.8

CVE-2009-0668 json

Zope Object Database (ZODB) vulnerable to arbitrary Python code execution in ZEO storage servers

published 2009-08-07 17 y ago modified 2026-06-16 4 mo ago also GHSA-4x83-5gw5-q346 , PYSEC-2009-8 , EUVD-2009-0012

cvss
9.8
version 3.1, GitHub
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

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.

Patch / fix

  • pypi zodb3 3.8.2

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2009-0668 updated cvss 6.3

zope: ZEO arbitrary Python code execution in the context of server process

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.16% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P
GitHub 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
pypi zodb3
<3.8.2
3.8.2

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.