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VulnerabilityPublished Updated

CVE-2024-31012: semcmsv4.8 · Unrestricted File Upload

Affects semcmsv4.8Source CVE Database V5

0

Not known to be exploited · CVSS 9.8 Critical.

Data as of 26 Oct 2026, 12:54 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
1.1% chance of exploitation in 30 days – higher than 66% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 3 Apr 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
GitHubss122-0ss/semcmsv4.8pkg:github/ss122-0ss/semcmsv4.8Other threatsAffected
  • =4.8
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

To mitigate CVE-2024-31012, organizations should immediately implement the following measures: 1) Restrict or disable file upload functionality in SEMCMS if not essential. 2) Implement strict server-side validation of uploaded files, including file type, size, and content inspection to prevent malicious payloads. 3) Employ web application firewalls (WAFs) with rules to detect and block suspicious upload attempts targeting upload.php. 4) Monitor logs and network traffic for unusual activities related to file uploads or execution attempts. 5) Isolate SEMCMS servers within segmented network zones to limit lateral movement if compromised. 6) Apply principle of least privilege to SEMCMS service accounts and underlying OS users to reduce impact of potential exploitation. 7) Stay alert for official patches or updates from SEMCMS vendors and apply them promptly once available. 8) Conduct regular security assessments and penetration testing focusing on file upload mechanisms. These targeted actions go beyond generic advice by focusing on the specific vulnerable component and attack vector.

Description

An issue was discovered in SEMCMS v.4.8, allows remote attackers to execute arbitrary code, escalate privileges, and obtain sensitive information via the upload.php file.

References

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