CVE-2023-54396 json
PocketMine-MP before 4.8.1 Server Crash via Banner NBT
published 2023-01-09 3 y ago modified 2026-10-08 31 d ago also GHSA-wqqv-jcfr-9f5g , EUVD-2023-60626
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 45%
- public exploits
- 0
- none known
Summary
PocketMine-MP versions before 4.8.1 fail to validate dye color IDs in banner NBT data during deserialization. Attackers can provide invalid color values in inventory transactions or via commands to trigger undefined offset errors and crash the server.
Patch / fix
- packagist pocketmine/pocketmine-mp 4.8.1
- pmmp PocketMine-MP 4.8.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 1 mo ago
Exploit prediction
0.53% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 7.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| CNA | 4.0 | 7.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | pocketmine/pocketmine-mp | <4.8.1 |
4.8.1 |
Affected products
- pmmp PocketMine-MP
Classification
- Weakness
-
- CWE-129 Improper Validation of Array Index
References
-
github.com
/pmmp/PocketMine-MP/commit/08b9495bce2d65a6d1d3eeb76e484499a00765eb
patch, web
-
github.com
/pmmp/PocketMine-MP/security/advisories/GHSA-wqqv-jcfr-9f5g
vendor-advisory, web
-
vulncheck.com
/advisories/pocketmine-mp-before-4.8.1-server-crash-via-banner-nbt
third-party-advisory
-
github.com
/pmmp/PocketMine-MP
package
-
github.com
/pmmp/PocketMine-MP/blob/38d6284671e8b657ba557e765a6c29b24a7705f5/src/item/Banner.php#L104
web
Sources
- CVE List CVE-2023-54396
- GitHub Advisory GHSA-wqqv-jcfr-9f5g
- NVD CVE-2023-54396
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.