Path Traversal in Ponton X\/p Messenger

CVE-2021-45887

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.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.033 (87.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-45887?
CVE-2021-45887 is a critical-severity vulnerability in Ponton X\/p Messenger, classified under Path Traversal. CVSS score: 9.8/10. Published 2022-03-13.
How severe is CVE-2021-45887?
Critical severity. CVSS v3 base score is 9.8 out of 10.