by Kastro
Paper/Archive/CVE-2026-20357

CVE-2026-20357

Cisco Cisco Crosswork Planning — Cisco Crosswork Security Hardening Release: August 2026

EPSS 0.6%CVSS 10.0
critical.is priorityof 100
40
CVSS 10.0 (CNA)10.0 / 10 × 3030.0Not in CISA KEV+300.0EPSS percentile 49.5.495 × 209.9No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Crosswork engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20357 are related to missing authentication for critical function issues that are grouped under the Common Weakness Enumeration (CWE) CWE-306.

Affected

ProductAffectedFixed inSource
Cisco Crosswork Planning7.0.2–CNA
Cisco Crosswork Planning7.1.0–CNA
Cisco Crosswork Planning7.0.0–CNA
Cisco Crosswork Planning7.0.4–CNA
Cisco Crosswork Planning7.0.1–CNA
Cisco Crosswork Planning7.0.3–CNA
Cisco Crosswork Planning7.2.0–CNA
Cisco Crosswork Planning7.1.1–CNA
Cisco Crosswork Planning7.1.2–CNA

Scores by source

cisco (CNA)10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refsec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-crosswork-UzDTU9Vhrefcve.org/Media/News/item/blog/2026/06/16/Preserving-Vulnerability-Level-Identification