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CVE-2026-20319: Improper Restriction of Operations within the Bounds of a Memory Buffer in Cisco Cisco Secure Workload

0
High
VulnerabilityCVE-2026-20319cvecve-2026-20319
Published: 08/19/2026 (08/19/2026, 16:19:44 UTC)
Source: CVE Database V5
Vendor/Project: Cisco
Product: Cisco Secure Workload

Description

CVE-2026-20319 is a high severity vulnerability in Cisco Secure Workload involving improper restriction of operations within the bounds of a memory buffer, classified under CWE-119. It was identified through an internal security review by Cisco and affects multiple specific versions of Cisco Secure Workload. The vulnerability has a CVSS 3.1 base score of 7.5, indicating high severity with an impact on availability but no direct confidentiality or integrity impact. There is no public information on exploits in the wild or an official patch or remediation level provided yet.

CVSS v3.1

Score 7.5high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected software

Affected versions
=2.2.1.41=3.2.1.18=3.3.2.50=3.4.1.28=3.4.1.34=2.3.1.45=2.3.1.41=3.3.2.28=3.1.1.59=2.0.2.20=2.1.1.33=2.1.1.29=3.2.1.28=3.4.1.35=3.1.1.65=3.1.1.67=2.0.1.34=2.3.1.49=2.2.1.39=3.4.1.19=3.3.2.23=3.1.1.61=3.1.1.54=3.5.1.17=3.3.2.33=3.5.1.1=2.3.1.53=3.5.1.20=3.5.1.30=3.3.2.16=3.1.1.55=3.4.1.6=2.3.1.50=2.3.1.52=3.2.1.19=2.2.1.35=3.1.1.53=3.1.1.70=3.2.1.20=3.5.1.2=1.103.1.12=2.3.1.51=3.3.2.42=3.4.1.1=3.3.2.12=2.1.1.31=3.5.1.23=3.3.2.53=3.4.1.14=3.3.2.2=3.4.1.20=3.3.2.35=2.2.1.34=1.102.21=3.3.2.5=3.5.1.31=3.6.1.5=3.2.1.31=3.5.1.37=3.4.1.40=3.6.1.17=3.6.1.21=3.2.1.32=3.2.1.33=3.6.1.35=3.6.1.36=3.7.1.5=3.6.1.47=3.7.1.22=3.6.1.52=3.7.1.39=3.8.1.1=3.7.1.51=3.8.1.19=3.8.1.36=3.7.1.59=3.8.1.39=3.9.1.1=3.9.1.10=3.9.1.24=3.9.1.25=3.9.1.28=3.9.1.38=3.8.1.53=3.9.1.52=3.10.1.1=3.9.1.64=3.10.2.11=3.9.1.66=3.10.3.19=3.9.1.69=3.10.4.8=3.10.5.6=4.0.1.1=4.0.2.4=4.0.2.5=3.10.6.3=3.10.7.4=4.0.3.13=4.0.3.17=3.10.8.3

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/19/2026, 16:38:21 UTC

Technical Analysis

CVE-2026-20319 addresses buffer management issues in Cisco Secure Workload, specifically improper restriction of operations within memory buffer bounds (CWE-119). This vulnerability was discovered during Cisco's internal security review and affects numerous exact versions of Cisco Secure Workload. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, no user interaction, unchanged scope, no confidentiality or integrity impact, but high impact on availability. No vendor advisory or patch information is currently available, and no known exploits have been reported.

Potential Impact

The vulnerability can cause high impact on availability of the affected Cisco Secure Workload versions, potentially leading to denial of service conditions. There is no indication of confidentiality or integrity compromise. No known exploits in the wild have been reported to date.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Cisco has released a software hardening update addressing multiple vulnerabilities including this one, so applying the latest updates from Cisco Secure Workload is recommended once available. Monitor Cisco advisories for official fixes.

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Technical Details

Data Version
5.2
Assigner Short Name
cisco
Date Reserved
2025-10-08T11:59:15.410Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
null

Threat ID: 6a85d85eacd9273b49511c83

Added to database: 08/19/2026, 16:22:54 UTC

Last enriched: 08/19/2026, 16:38:21 UTC

Last updated: 08/19/2026, 17:17:22 UTC

Views: 5

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