Buffer overflow in Cisco Ironport Email Security Appliance

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.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (51.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-31488: held from 0.007 to 0.007.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-31488?
CVE-2023-31488 is a critical-severity vulnerability in Cisco Ironport Email Security Appliance, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2024-01-10.
How severe is CVE-2023-31488?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-31488 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.