What is CVE-2023-48887?

CVE-2023-48887 is a critical-severity vulnerability in Fengjiachun Jupiter, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2023-12-01.

How severe is CVE-2023-48887?

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

Deserialization in Fengjiachun Jupiter

CVE-2023-48887

A deserialization vulnerability in Jupiter v1.3.1 allows attackers to execute arbitrary commands via sending a crafted RPC request.

Vulnerability class: Insecure Deserialization

Published 2023-12-01 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.016 (74.2th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Fengjiachun Jupiter — versions 1.3.1

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

github.com/fengjiachun/Jupiter (Product)
github.com/welk1n/JNDI-Injection-Exploit/releases/tag/v1.0 (Not Applicable)
github.com/fengjiachun/Jupiter/issues/115 (Exploit)

Frequently asked questions

What is CVE-2023-48887?: CVE-2023-48887 is a critical-severity vulnerability in Fengjiachun Jupiter, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2023-12-01.
How severe is CVE-2023-48887?: Critical severity. CVSS v3 base score is 9.8 out of 10.