Cisco Crosswork Security Hardening Release: August 2026

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-20358
StatePUBLISHED
Assignercisco
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-19 17:18:40 UTC
Updated2026-08-21 17:16:30 UTC
DescriptionAs 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-2026-20358 are related to external control of the file system issues that are grouped Common Weakness Enumeration (CWE) CWE-73.

Risk And Classification

Primary CVSS: v3.1 10 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H

EPSS: 0.003770000 probability, percentile 0.310560000 (date 2026-08-21)

Problem Types: CWE-73 | CWE-73 External Control of File Name or Path

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary10CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H
3.1CNACVSSV3_110CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Cisco Cisco Crosswork Planning affected 7.0.2 Not specified
CNA Cisco Cisco Crosswork Planning affected 7.1.0 Not specified
CNA Cisco Cisco Crosswork Planning affected 7.0.0 Not specified
CNA Cisco Cisco Crosswork Planning affected 7.0.4 Not specified
CNA Cisco Cisco Crosswork Planning affected 7.0.1 Not specified
CNA Cisco Cisco Crosswork Planning affected 7.0.3 Not specified
CNA Cisco Cisco Crosswork Planning affected 7.2.0 Not specified
CNA Cisco Cisco Crosswork Planning affected 7.1.1 Not specified
CNA Cisco Cisco Crosswork Planning affected 7.1.2 Not specified

References

ReferenceSourceLinkTags
sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-harden... [email protected] sec.cloudapps.cisco.com
www.cve.org/Media/News/item/blog/2026/06/16/Preserving-Vulnerability-Leve... af854a3a-2127-422b-91ae-364da2661108 www.cve.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Exploits

CNA: The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.

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