Improper input validation in Pmmp Pocketmine-Mp
CVE-2025-71417
PocketMine-MP before 5.32.1 fails to validate uniqueness of pack UUIDs in ResourcePackClientResponsePacket STATUS_SEND_PACKS handling, allowing authenticated clients to trigger duplicate pack transmissions. Attackers can send multiple copies of valid pack UUIDs in a single packet to exhaust server memory and cause denial of service.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (22.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/pmmp/PocketMine-MP/security/advisories/GHSA-fqqv-56h5-f57g (vendor-advisory)
- www.vulncheck.com/advisories/pocketmine-mp-before-5.32.1-denial-of-service-via-… (third-party-advisory)
Frequently asked questions
- What is CVE-2025-71417?
- CVE-2025-71417 is a medium-severity vulnerability in Pmmp Pocketmine-Mp, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2026-09-09.
- How severe is CVE-2025-71417?
- Medium severity. CVSS v3 base score is 6.5 out of 10.