CVE-2023-31488
CVE-2023-31488 is a critical-severity vulnerability in Cisco Ironport Email Security Appliance with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (49th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-35793
- Weakness: CWE-787
- Affected product: Cisco Ironport Email Security Appliance
- Published:
- Last modified:
Description
Hyland Perceptive Filters releases before 2023-12-08 (e.g., 11.4.0.2647), as used in Cisco IronPort Email Security Appliance Software, Cisco Secure Email Gateway, and various non-Cisco products, allow attackers to trigger a segmentation fault and execute arbitrary code via a crafted document.
Frequently asked questions
- What is CVE-2023-31488?
- Hyland Perceptive Filters releases before 2023-12-08 (e.g., 11.4.0.2647), as used in Cisco IronPort Email Security Appliance Software, Cisco Secure Email Gateway, and various non-Cisco products, allow attackers to trigger a segmentation fault and execute arbitrary code via a crafted document.
- How severe is CVE-2023-31488?
- CVE-2023-31488 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-31488 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-31488?
- CVE-2023-31488 primarily affects Cisco Ironport Email Security Appliance. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-31488?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2023-31488 have an EU (EUVD) identifier?
- Yes. CVE-2023-31488 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-35793.
- When was CVE-2023-31488 published?
- CVE-2023-31488 was published on 2024-01-10 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:a:cisco:ironport_email_security_appliance:-:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:secure_email_gateway_firmware:-:*:*:*:*:*:*:*
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