by Kastro
Paper/Archive/CVE-2021-26642

CVE-2021-26642

XEHub XE3 XpresesEngine — XpressEngine file upload vulnerability

EPSS 1%CVSS 9.8
critical.is priorityof 100
43
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 68.4.684 × 2013.7No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

When uploading an image file to a bulletin board developed with XpressEngine, a vulnerability in which an arbitrary file can be uploaded due to insufficient verification of the file. A remote attacker can use this vulnerability to execute arbitrary code on the server where the bulletin board is running.

Affected

ProductAffectedFixed inSource
XE3 XpresesEngine3.0.14 – 3.0.14–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
krcert (CNA)8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refboho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=67125