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CVE-2020-25483

33
FAUCET Score

CVE-2020-25483 is a critical arbitrary command execution vulnerability affecting UCMS v1.4.8, specifically within the fopen() function during file writes. This flaw allows an unauthenticated attacker to remotely execute commands on the server, leading to complete compromise of confidentiality, integrity, and availability. Despite its CVSS score of 9.8 and high FAUCET Risk Score, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
1.4.8CPE matchmatch criteria
cpe:2.3:a:ucms_project:ucms:1.4.8:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
8.65%
Probability of exploitation in next 30 days
EPSS Percentile
94.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0865 is in the 90th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

sunian19.github.io / 2020/09/08/UCMS%20v.1.4.8%20Command%20execution
ExploitThird Party Advisory