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CVE-2009-0669

25
FAUCET Score

CVE-2009-0669 describes an authentication bypass vulnerability in Zope Object Database (ZODB) versions prior to 3.8.2. This flaw occurs when specific Zope Enterprise Objects (ZEO) database sharing is enabled, allowing remote attackers to bypass authentication through the ZEO network protocol. With a CVSS score of 7.5, this vulnerability is considered highly severe, requiring no authentication and low attack complexity, potentially leading to partial compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.8.1CPE matchmatch criteria
cpe:2.3:a:zope:zodb:*:*:*:*:*:*:*:*
3.8CPE matchmatch criteria
cpe:2.3:a:zope:zodb:3.8:*:*:*:*:*:*:*
3.8.0CPE matchmatch criteria
cpe:2.3:a:zope:zodb:3.8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.86%
Probability of exploitation in next 30 days
EPSS Percentile
85.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0286 is in the 74th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

pippatch availablevia ghsa
Product: ZODB3Fixed in: 3.8.2

Vendor Advisories (2)

pipGHSA-5432-c996-hvhjhigh

Zope Object Database (ZODB) Authentication bypass in ZEO storage servers

May 2, 2022
redhatCVE-2009-0669Moderate

zope: ZEO authentication bypass

Aug 6, 2009

References

mail.zope.org / pipermail/zope-announce/2009-August/002220.html
osvdb.org / 56826
pypi.python.org / pypi/ZODB3/3.8.2
PatchVendor Advisory
secunia.com / advisories/36204
Vendor Advisory
secunia.com / advisories/36205
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/52379
securityfocus.com / bid/35987
vupen.com / english/advisories/2009/2217