CVE-2023-23585: Server DoS due to heap overflow

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-07-13 · updated 2026-06-17
Weakness: CWE-787

Description

Experion server DoS due to heap overflow occurring during the handling of a specially crafted message for a specific configuration operation. See Honeywell Security Notification for recommendations on upgrading and versioning.

Affected products

Honeywell Direct Station: from 510.1 through 511.5tcu3; from 520.1 through 520.1tcu4; from 520.2 through 520.2tcu2
Honeywell Engineering Station: from 510.1 through 511.5tcu3; from 520.1 through 520.1tcu4; from 520.2 through 520.2tcu2
Honeywell Experion Server: from 501.1 through 501.6hf8; from 510.1 through 510.2hf12; from 511.1 through 511.5tcu3; from 520.1 through 520.1tcu4; from 520.2 through 520.2tcu2
Honeywell Experion Station: from 501.1 through 501.6hf8; from 510.1 through 510.2hf12; from 511.1 through 511.5tcu3; from 520.1 through 520.1tcu4; from 520.2 through 520.2tcu2

References

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