Paper/Archive/CVE-2022-2825

CVE-2022-2825

Kepware KEPServerEX — This vulnerability allows remote attackers to execute arbitrary code on affected installations of Kepware KEPServerEX 6.11.718.0.

EPSS 3%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (NVD, CNA, ADP agree)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 88.9.889 × 2017.8 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Kepware KEPServerEX 6.11.718.0. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of text encoding conversions. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-18411.

Affected

ProductAffectedFixed inSource

KEPServerEX6.11.718.0–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

zdi (CNA)9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refzerodayinitiative.com/advisories/ZDI-22-1455 refcisa.gov/uscert/ics/advisories/icsa-22-242-10