What is CVE-2023-48031?

CVE-2023-48031 is a critical-severity vulnerability in Opensupports, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-11-17.

How severe is CVE-2023-48031?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2023-48031 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Arbitrary file upload in Opensupports

CVE-2023-48031

OpenSupports v4.11.0 is vulnerable to Unrestricted Upload of File with Dangerous Type. In the comment function, an attacker can bypass security restrictions and upload a .bat file by manipulating the file's magic bytes to masquerade as an allowed type. This can enable the attacker to execute arbitrary code or establish a reverse shell, leading to unauthorized file writes or control over the victim's station via a crafted file upload operation.

Vulnerability class: Unrestricted File Upload

EPSS: 0.014 (70.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Opensupports — versions 4.11.0
N/a — versions n/a

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

References

cve@mitre.org (Broken Link)
cve@mitre.org (Exploit)
cve@mitre.org

Frequently asked questions

What is CVE-2023-48031?: CVE-2023-48031 is a critical-severity vulnerability in Opensupports, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-11-17.
How severe is CVE-2023-48031?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-48031 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.