HOMEVULNERABILITIESCVE-2020-12469
MEDIUM

CVE-2020-12469

CWE-502Published: April 29, 2020· Updated: Jun 17, 2026

6.5
CVSS v3.1

Official Description

admin/blocks.php in Subrion CMS through 4.2.1 allows PHP Object Injection (with resultant file deletion) via serialized data in the subpages value within a block to blocks/edit.

NVD Source

Technical Analysis

CVE-2020-12469 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 6.5.

From a weakness classification perspective (CWE-502): Insecure deserialization vulnerabilities allow attackers to inject malicious objects during deserialization, potentially enabling remote code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected Vendors & Products

intelliants1 product(s)
subrion
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2020-12469
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-502
CISA KEVNo
Affected1 vendor(s)
PublishedApr 29, 2020

Related CVEs (CWE-502)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2020-12469 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. CVE data is provided under the NVD usage policy.