7.2

CVE-2020-23564: sem-cms semcms

CVSS: 7.2v3.1HighModified
Published 05-08-2023Last modified 17-10-2024

Vulnerability summary

CVE-2020-23564 is a high (CVSS 7.2) vulnerability in sem-cms semcms. EPSS estimates a 1.12% chance of exploitation in the next 30 days, higher than 65.7% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
39/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.2/10
010
High · v3.1 (NVD)
EPSS score
1.12%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 05-08-2023
    PublishedVulnerability first disclosed.
  2. 17-10-2024
    Last modifiedVulnerability information updated.

Description

File Upload vulnerability in SEMCMS 3.9 allows remote attackers to run arbitrary code via SEMCMS_Upfile.php.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.12%

Chance of exploitation in the next 30 days

Percentile

66%

Versus all other CVEs

30-day change

0.00 pp

From 1.12% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.12%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Cmstest

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Sem-cms1 product

1 vendor · 1 product

References

2 links