HOMEVULNERABILITIESCVE-2023-36814
HIGH

CVE-2023-36814

CWE-770Published: July 3, 2023· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

Products.CMFCore are the key framework services for the Zope Content Management Framework (CMF). The use of Python's marshal module to handle unchecked input in a public method on `PortalFolder` objects can lead to an unauthenticated denial of service and crash situation. The code in question is exposed by all portal software built on top of `Products.CMFCore`, such as Plone. All deployments are vulnerable. The code has been fixed in `Products.CMFCore` version 3.2.

NVD Source

Technical Analysis

CVE-2023-36814 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

zope1 product(s)
products.cmfcore
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/zopefoundation/Products.CMFCore/commit/40f03f43a60f28ca9485c8ef429efef729be54e5
PATCHhttps://github.com/zopefoundation/Products.CMFCore/commit/40f03f43a60f28ca9485c8ef429efef729be54e5
ADVISORYhttps://github.com/zopefoundation/Products.CMFCore/security/advisories/GHSA-4hpj-8rhv-9x87
ADVISORYhttps://github.com/zopefoundation/Products.CMFCore/security/advisories/GHSA-4hpj-8rhv-9x87

All References (4)

→
https://github.com/zopefoundation/Products.CMFCore/commit/40f03f43a60f28ca9485c8ef429efef729be54e5Mitigation · Patch · Vendor Advisory
→
https://github.com/zopefoundation/Products.CMFCore/security/advisories/GHSA-4hpj-8rhv-9x87Vendor Advisory
→
https://github.com/zopefoundation/Products.CMFCore/commit/40f03f43a60f28ca9485c8ef429efef729be54e5Mitigation · Patch · Vendor Advisory
→
https://github.com/zopefoundation/Products.CMFCore/security/advisories/GHSA-4hpj-8rhv-9x87Vendor Advisory

Quick Facts

CVE IDCVE-2023-36814
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-770
CISA KEVNo
Affected1 vendor(s)
PublishedJul 3, 2023

Related CVEs (CWE-770)

CVE-2022-3456
9.8
CVE-2022-3273
9.8
CVE-2023-38507
9.8
CVE-2023-25156
9.8
CVE-2022-3439
9.8
CVE-2019-17067
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-36814 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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