CVE-2023-22435
CVE-2023-22435 is a high-severity vulnerability in Honeywell Experion Server with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (39th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Honeywell Experion Server
- Published:
- Last modified:
Description
Experion server may experience a DoS due to a stack overflow when handling a specially crafted message.
Frequently asked questions
- What is CVE-2023-22435?
- Experion server may experience a DoS due to a stack overflow when handling a specially crafted message.
- How severe is CVE-2023-22435?
- CVE-2023-22435 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2023-22435 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-22435?
- CVE-2023-22435 primarily affects Honeywell Experion Server. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-22435?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-22435 published?
- CVE-2023-22435 was published on 2023-07-13 and last updated on 2026-06-17.
References
Affected products (4)
- cpe:2.3:a:honeywell:experion_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:honeywell:experion_station:*:*:*:*:*:*:*:*
- cpe:2.3:a:honeywell:engineering_station:*:*:*:*:*:*:*:*
- cpe:2.3:a:honeywell:direct_station:*:*:*:*:*:*:*:*
More vulnerabilities in Honeywell Experion Server
- CVE-2023-25078 — Critical (CVSS 9.8): Server or Console Station DoS due to heap overflow occurring during the handling of a specially crafted message for a…
- CVE-2023-23585 — Critical (CVSS 9.8): Experion server DoS due to heap overflow occurring during the handling of a specially crafted message for a specific…
- CVE-2023-25948 — High (CVSS 7.5): Server information leak of configuration data when an error is generated in response to a specially crafted…
- CVE-2023-24474 — High (CVSS 7.5): Experion server may experience a DoS due to a heap overflow which could occur when handling a specially crafted message
All CVEs affecting Honeywell Experion Server →
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