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CVE-2010-3495

16
FAUCET Score

CVE-2010-3495 describes a race condition in Zope Object Database (ZODB) versions prior to 3.10.0, specifically within ZEO/StorageServer.py. This vulnerability allows remote attackers to trigger a denial of service by rapidly establishing and closing TCP connections, causing the daemon to crash. Rated with a CVSS score of 4.3 (AV:N/AC:M/Au:N/C:N/I:N/A:P), it is a medium-complexity attack that can lead to a partial availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.9.7CPE matchmatch criteria
cpe:2.3:a:zope:zodb:*:*:*:*:*:*:*:*
2.8.11CPE matchmatch criteria
cpe:2.3:a:zope:zodb:2.8.11:*:*:*:*:*:*:*
2.9.11CPE matchmatch criteria
cpe:2.3:a:zope:zodb:2.9.11:*:*:*:*:*:*:*
2.10.9CPE matchmatch criteria
cpe:2.3:a:zope:zodb:2.10.9:*:*:*:*:*:*:*
2.11.4CPE matchmatch criteria
cpe:2.3:a:zope:zodb:2.11.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.34%
Probability of exploitation in next 30 days
EPSS Percentile
68.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0134 is in the 38th percentile among its peer group of 19,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (1)

pippatch availablevia ghsa
Product: zodb3Fixed in: 3.10.0a2

Vendor Advisories (1)

pipGHSA-j6m4-frxh-p4x8medium

Zope Object Database Denial of Service vulnerability

May 17, 2022

References

bugs.python.org / issue6706
Patch
lists.opensuse.org / opensuse-security-announce/2010-12/msg00006.html
pypi.python.org / pypi/ZODB3/3.10.0
bugs.launchpad.net / zodb/+bug/135108
secunia.com / advisories/41755
Vendor Advisory
openwall.com / lists/oss-security/2010/09/09/6
openwall.com / lists/oss-security/2010/09/11/2
openwall.com / lists/oss-security/2010/09/22/3
openwall.com / lists/oss-security/2010/09/24/3