CVE-2023-54390 json
PocketMine-MP before 5.3.1 Denial of Service via LoginPacket
published 2023-09-14 3 y ago modified 2026-10-08 32 d ago also GHSA-92jh-gwch-jq38 , EUVD-2023-60621
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 49%
- public exploits
- 0
- none known
Summary
PocketMine-MP versions before 5.3.1 and 4.23.1 contain a denial of service vulnerability in LoginPacket JSON parsing due to improper null value handling in arrays. Attackers can send malformed JSON with unexpected null elements in LoginPacket to crash the server.
Patch / fix
- packagist pocketmine/pocketmine-mp 4.23.1, 5.3.1
- pmmp PocketMine-MP 4.23.1, 5.3.1
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.61% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.7 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 4.0 | 8.7 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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 | >=5.0.0, <5.3.1 <4.23.1 |
5.3.1 4.23.1 |
Affected products
- pmmp PocketMine-MP
Classification
- Weakness
-
- CWE-1025 Comparison Using Wrong Factors
References
-
github.com
/pmmp/PocketMine-MP/commit/4f90e8dab1c9df331fad7d3d89823404e882668c
patch
-
github.com
/pmmp/netresearch-jsonmapper/commit/4f90e8dab1c9df331fad7d3d89823404e882668c
web
-
github.com
/pmmp/PocketMine-MP/security/advisories/GHSA-92jh-gwch-jq38
vendor-advisory, web
-
vulncheck.com
/advisories/pocketmine-mp-before-5.3.1-denial-of-service-via-loginpacket
third-party-advisory
-
github.com
/pmmp/PocketMine-MP
package
Sources
- CVE List CVE-2023-54390
- GitHub Advisory GHSA-92jh-gwch-jq38
- NVD CVE-2023-54390
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.