HOMEVULNERABILITIESCVE-2020-9280
HIGH

CVE-2020-9280

CWE-434Published: April 15, 2020· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

In SilverStripe through 4.5, files uploaded via Forms to folders migrated from Silverstripe CMS 3.x may be put to the default "/Uploads" folder instead. This affects installations which allowed upload folder protection via the optional silverstripe/secureassets module under 3.x. This module is installed and enabled by default on the Common Web Platform (CWP). The vulnerability only affects files uploaded after an upgrade to 4.x.

NVD Source

Technical Analysis

CVE-2020-9280 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 complete confidentiality breach (data exposure), 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
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

silverstripe1 product(s)
silverstripe
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

ADVISORYhttps://forum.silverstripe.org/c/releases
ADVISORYhttps://www.silverstripe.org/download/security-releases/
ADVISORYhttps://www.silverstripe.org/download/security-releases/cve-2020-9280
ADVISORYhttps://forum.silverstripe.org/c/releases
ADVISORYhttps://www.silverstripe.org/download/security-releases/
ADVISORYhttps://www.silverstripe.org/download/security-releases/cve-2020-9280

All References (6)

→
https://forum.silverstripe.org/c/releasesVendor Advisory
→
https://www.silverstripe.org/download/security-releases/Vendor Advisory
→
https://www.silverstripe.org/download/security-releases/cve-2020-9280Vendor Advisory
→
https://forum.silverstripe.org/c/releasesVendor Advisory
→
https://www.silverstripe.org/download/security-releases/Vendor Advisory
→
https://www.silverstripe.org/download/security-releases/cve-2020-9280Vendor Advisory

Quick Facts

CVE IDCVE-2020-9280
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-434
CISA KEVNo
Affected1 vendor(s)
PublishedApr 15, 2020

Related CVEs (CWE-434)

CVE-2012-10044
10.0
CVE-2025-49387
10.0
CVE-2012-10026
10.0
CVE-2013-10066
10.0
CVE-2025-48148
10.0
CVE-2025-60219
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-9280 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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