Medium severity · published Sep 6, 2026
CVE-2022-51008
PocketMine-MP before 4.12.3 Denial of Service via Unauthenticated Sessions
5.3
CVSS
0.5%
EPSS
No
On KEV
Description
PocketMine-MP before 4.12.3 fails to limit unauthenticated sessions, allowing attackers to exhaust player slots by creating sessions without sending LoginPacket. Attackers can flood the server with unauthenticated connections that occupy max-player slots, preventing legitimate players from joining.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PO
PocketMine-MP · pmmp
4.0.0 before 4.12.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-51008
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-51008
github.com
https://github.com/pmmp/PocketMine-MP/commit/59be901efe6b7833e69e638e0e1497051ce96fa7
github.com
https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-474q-9hgp-hcvx
www.vulncheck.com
https://www.vulncheck.com/advisories/pocketmine-mp-before-4.12.3-denial-of-service-via-unauthenticated-sessions
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