peter bassill · operator
$ cve CVE-2021-45887 JSON

CVE-2021-45887

9.8
CRITICAL · CVSS 3.1 · EPSS 3.5% (pctl 89)

In your normal cycle

Critical by CVSS (9.8), but no sign of active exploitation.

Description

An issue was discovered in PONTON X/P Messenger before 3.11.2. Due to path traversal in private/SchemaSetUpload.do for uploaded ZIP files, an executable script can be uploaded by web application administrators, giving the attacker remote code execution on the underlying server via an imgs/*.jsp URI.

Scoring

CVSS9.8 (CRITICAL, v3.1)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS3.47% — more likely to be exploited than 89% of all CVEs
WeaknessCWE-22
On CISA KEVno
Public exploitnone known
Published2022-03-13
Last modified2026-06-17

Affected (1)

VendorProduct
pontonx\/p messenger

References

→ the Explorer  ·  watch your stack  ·  NVD