What is CVE-2023-20102?

CVE-2023-20102 is a high-severity vulnerability in Cisco Secure Network Analytics, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2023-04-05.

How severe is CVE-2023-20102?

High severity. CVSS v3 base score is 8.8 out of 10.

Deserialization in Cisco Secure Network Analytics

CVE-2023-20102

A vulnerability in the web-based management interface of Cisco Secure Network Analytics could allow an authenticated, remote attacker to execute arbitrary code on the underlying operating system. This vulnerability is due to insufficient sanitization of user-provided data that is parsed into system memory. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to execute arbitrary code on the underlying operating system as the administrator user.

Vulnerability class: Insecure Deserialization

Published 2023-04-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (61.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-20102?: CVE-2023-20102 is a high-severity vulnerability in Cisco Secure Network Analytics, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2023-04-05.
How severe is CVE-2023-20102?: High severity. CVSS v3 base score is 8.8 out of 10.