CVE-2009-0669: zope zodb Improper Authentication
Vulnerability summary
CVE-2009-0669 is a high (CVSS 7.5) Improper Authentication vulnerability in zope zodb. EPSS estimates a 2.86% chance of exploitation in the next 30 days, higher than 86.7% of scored vulnerabilities.
Severe, CVSS 8.7 (OSV · Pypi); no exploitation reported by the 5 checked sources; EPSS 3% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2Timeline
- 07-08-2009PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
Zope Object Database (ZODB) before 3.8.2, when certain Zope Enterprise Objects (ZEO) database sharing is enabled, allows remote attackers to bypass authentication via vectors involving the ZEO network protocol.
CVSS metrics
3 scores · 2 sources · 3 versionsEPSS trend
Probability
2.86%
Chance of exploitation in the next 30 days
Percentile
87%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.86% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
PyPI1 product
- zodb3< 3.8.2
Zope1 product
- zodb≤ 3.8.1 | 3.8 | 3.8.0
2 vendors · 2 products
