MEDIUM
CVE-2020-21363
CWE-610Published: August 11, 2021· Updated: Jun 17, 2026
6.5
CVSS v3.1
Official Description
An arbitrary file deletion vulnerability exists within Maccms10.
Technical Analysis
CVE-2020-21363 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires high 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), availability disruption (denial of service), with a CVSS base score of 6.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.High
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
Affected Vendors & Products
maccms1 product(s)
maccms
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
All References (2)
→
https://github.com/magicblack/maccms10/issues/79Exploit · Issue Tracking · Third Party Advisory
→
https://github.com/magicblack/maccms10/issues/79Exploit · Issue Tracking · Third Party Advisory
Quick Facts
CVE IDCVE-2020-21363
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-610
CISA KEVNo
Affected1 vendor(s)
PublishedAug 11, 2021
Related CVEs (CWE-610)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-21363 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.