Cisco Secure Workload up to 4.0.3.17 memory corruption

Summaryinfo

A vulnerability was found in Cisco Secure Workload and classified as critical. This affects an unknown part. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-2026-20319. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco Secure Workload. It has been declared as critical. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability. CVE summarizes:

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Workload 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-2026-20319 are related to buffer management issues that are grouped under the Common Weakness Enumeration (CWE) CWE-119.

The advisory is shared for download at sec.cloudapps.cisco.com. This vulnerability was named CVE-2026-20319 since 10/08/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 08/19/2026).

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

• Cisco

Name

• Secure Workload

Version

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

License

• commercial

Website

• Vendor: https://www.cisco.com/

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