HOMEVULNERABILITIESCVE-2020-29592
CRITICAL

CVE-2020-29592

CWE-434Published: April 14, 2021· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

An issue was discovered in Orchard before 1.10. A broken access control issue in Orchard components that use the TinyMCE HTML editor's file upload allows an attacker to upload dangerous executables that bypass the file types allowed (regardless of the file types allowed list in Media settings).

NVD Source

Technical Analysis

CVE-2020-29592 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), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

orchardproject1 product(s)
orchard
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://burninatorsec.blogspot.com/2021/04/cve-2020-29592-and-cve-2020-29593.html
ADVISORYhttps://github.com/OrchardCMS/Orchard/releases
ADVISORYhttps://burninatorsec.blogspot.com/2021/04/cve-2020-29592-and-cve-2020-29593.html
ADVISORYhttps://github.com/OrchardCMS/Orchard/releases

All References (4)

→
https://burninatorsec.blogspot.com/2021/04/cve-2020-29592-and-cve-2020-29593.htmlExploit · Third Party Advisory
→
https://github.com/OrchardCMS/Orchard/releasesRelease Notes · Third Party Advisory
→
https://burninatorsec.blogspot.com/2021/04/cve-2020-29592-and-cve-2020-29593.htmlExploit · Third Party Advisory
→
https://github.com/OrchardCMS/Orchard/releasesRelease Notes · Third Party Advisory

Quick Facts

CVE IDCVE-2020-29592
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-434
CISA KEVNo
Affected1 vendor(s)
PublishedApr 14, 2021

Related CVEs (CWE-434)

CVE-2024-50482
10.0
CVE-2024-50420
10.0
CVE-2024-0916
10.0
CVE-2021-42645
10.0
CVE-2024-50473
10.0
CVE-2024-51791
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-29592 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.
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