cnvd-2026-34490
Vulnerability from cnvd
Title
Cisco Secure Workload缓冲区管理漏洞
Description
Cisco Secure Workload是思科推出的零信任微分段与全栈工作负载保护平台。
Cisco Secure Workload存在缓冲区管理漏洞，该漏洞源于软件内部安全审查中发现的缓冲区管理问题。攻击者可利用该漏洞导致拒绝服务。
Severity
高
VLAI Severity ?
Patch Name
Cisco Secure Workload缓冲区管理漏洞的补丁
Patch Description
Cisco Secure Workload是思科推出的零信任微分段与全栈工作负载保护平台。
Cisco Secure Workload存在缓冲区管理漏洞，该漏洞源于软件内部安全审查中发现的缓冲区管理问题。攻击者可利用该漏洞导致拒绝服务。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。
Formal description
目前厂商已发布升级程序修复该安全问题，详情见厂商官网: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-csw1-shSvndWP
Reference
https://nvd.nist.gov/vuln/detail/cve-2026-20319
Impacted products
| Name | ['Cisco Cisco Secure Workload 2.2.1.41', 'Cisco Cisco Secure Workload 3.2.1.18', 'Cisco Cisco Secure Workload 3.3.2.50', 'Cisco Cisco Secure Workload 3.4.1.28', 'Cisco Cisco Secure Workload 3.4.1.34', 'Cisco Cisco Secure Workload 2.3.1.45', 'Cisco Cisco Secure Workload 2.3.1.41', 'Cisco Cisco Secure Workload 3.3.2.28', 'Cisco Cisco Secure Workload 3.1.1.59', 'Cisco Cisco Secure Workload 2.0.2.20', 'Cisco Cisco Secure Workload 2.1.1.33', 'Cisco Cisco Secure Workload 2.1.1.29', 'Cisco Cisco Secure Workload 3.2.1.28', 'Cisco Cisco Secure Workload 3.4.1.35', 'Cisco Cisco Secure Workload 3.1.1.65', 'Cisco Cisco Secure Workload 3.1.1.67', 'Cisco Cisco Secure Workload 2.0.1.34', 'Cisco Cisco Secure Workload 2.3.1.49', 'Cisco Cisco Secure Workload 2.2.1.39', 'Cisco Cisco Secure Workload 3.4.1.19', 'Cisco Cisco Secure Workload 3.3.2.23', 'Cisco Cisco Secure Workload 3.1.1.61', 'Cisco Cisco Secure Workload 3.1.1.54', 'Cisco Cisco Secure Workload 3.5.1.17', 'Cisco Cisco Secure Workload 3.3.2.33', 'Cisco Cisco Secure Workload 3.5.1.1', 'Cisco Cisco Secure Workload 2.3.1.53', 'Cisco Cisco Secure Workload 3.5.1.20', 'Cisco Cisco Secure Workload 3.5.1.30', 'Cisco Cisco Secure Workload 3.3.2.16', 'Cisco Cisco Secure Workload 3.1.1.55', 'Cisco Cisco Secure Workload 3.4.1.6', 'Cisco Cisco Secure Workload 2.3.1.50', 'Cisco Cisco Secure Workload 2.3.1.52', 'Cisco Cisco Secure Workload 3.2.1.19', 'Cisco Cisco Secure Workload 2.2.1.35', 'Cisco Cisco Secure Workload 3.1.1.53', 'Cisco Cisco Secure Workload 3.1.1.70', 'Cisco Cisco Secure Workload 3.2.1.20', 'Cisco Cisco Secure Workload 3.5.1.2', 'Cisco Cisco Secure Workload 1.103.1.12', 'Cisco Cisco Secure Workload 2.3.1.51', 'Cisco Cisco Secure Workload 3.3.2.42', 'Cisco Cisco Secure Workload 3.4.1.1', 'Cisco Cisco Secure Workload 3.3.2.12', 'Cisco Cisco Secure Workload 2.1.1.31', 'Cisco Cisco Secure Workload 3.5.1.23', 'Cisco Cisco Secure Workload 3.3.2.53', 'Cisco Cisco Secure Workload 3.4.1.14', 'Cisco Cisco Secure Workload 3.3.2.2', 'Cisco Cisco Secure Workload 3.4.1.20', 'Cisco Cisco Secure Workload 3.3.2.35', 'Cisco Cisco Secure Workload 2.2.1.34', 'Cisco Cisco Secure Workload 1.102.21', 'Cisco Cisco Secure Workload 3.3.2.5', 'Cisco Cisco Secure Workload 3.5.1.31', 'Cisco Cisco Secure Workload 3.6.1.5', 'Cisco Cisco Secure Workload 3.2.1.31', 'Cisco Cisco Secure Workload 3.5.1.37', 'Cisco Cisco Secure Workload 3.4.1.40', 'Cisco Cisco Secure Workload 3.6.1.17', 'Cisco Cisco Secure Workload 3.6.1.21', 'Cisco Cisco Secure Workload 3.2.1.32', 'Cisco Cisco Secure Workload 3.2.1.33', 'Cisco Cisco Secure Workload 3.6.1.35', 'Cisco Cisco Secure Workload 3.6.1.36', 'Cisco Cisco Secure Workload 3.7.1.5', 'Cisco Cisco Secure Workload 3.6.1.47', 'Cisco Cisco Secure Workload 3.7.1.22', 'Cisco Cisco Secure Workload 3.6.1.52', 'Cisco Cisco Secure Workload 3.7.1.39', 'Cisco Cisco Secure Workload 3.8.1.1', 'Cisco Cisco Secure Workload 3.7.1.51', 'Cisco Cisco Secure Workload 3.8.1.19', 'Cisco Cisco Secure Workload 3.8.1.36', 'Cisco Cisco Secure Workload 3.7.1.59', 'Cisco Cisco Secure Workload 3.8.1.39', 'Cisco Cisco Secure Workload 3.9.1.1', 'Cisco Cisco Secure Workload 3.9.1.10', 'Cisco Cisco Secure Workload 3.9.1.24', 'Cisco Cisco Secure Workload 3.9.1.25', 'Cisco Cisco Secure Workload 3.9.1.28', 'Cisco Cisco Secure Workload 3.9.1.38', 'Cisco Cisco Secure Workload 3.8.1.53', 'Cisco Cisco Secure Workload 3.9.1.52', 'Cisco Cisco Secure Workload 3.10.1.1', 'Cisco Cisco Secure Workload 3.9.1.64', 'Cisco Cisco Secure Workload 3.10.2.11', 'Cisco Cisco Secure Workload 3.9.1.66', 'Cisco Cisco Secure Workload 3.10.3.19', 'Cisco Cisco Secure Workload 3.9.1.69', 'Cisco Cisco Secure Workload 3.10.4.8', 'Cisco Cisco Secure Workload 3.10.5.6', 'Cisco Cisco Secure Workload 4.0.1.1', 'Cisco Cisco Secure Workload 4.0.2.4', 'Cisco Cisco Secure Workload 4.0.2.5', 'Cisco Cisco Secure Workload 3.10.6.3', 'Cisco Cisco Secure Workload 3.10.7.4', 'Cisco Cisco Secure Workload 4.0.3.13', 'Cisco Cisco Secure Workload 4.0.3.17', 'Cisco Cisco Secure Workload 3.10.8.3'] |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2026-20319",
"cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-20319"
}
},
"description": "Cisco Secure Workload\u662f\u601d\u79d1\u63a8\u51fa\u7684\u200c\u96f6\u4fe1\u4efb\u5fae\u5206\u6bb5\u4e0e\u5168\u6808\u5de5\u4f5c\u8d1f\u8f7d\u4fdd\u62a4\u5e73\u53f0\u3002\n\nCisco Secure Workload\u5b58\u5728\u7f13\u51b2\u533a\u7ba1\u7406\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u8f6f\u4ef6\u5185\u90e8\u5b89\u5168\u5ba1\u67e5\u4e2d\u53d1\u73b0\u7684\u7f13\u51b2\u533a\u7ba1\u7406\u95ee\u9898\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
"formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u7a0b\u5e8f\u4fee\u590d\u8be5\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u89c1\u5382\u5546\u5b98\u7f51:\r\nhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-csw1-shSvndWP",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2026-34490",
"openTime": "2026-08-31",
"patchDescription": "Cisco Secure Workload\u662f\u601d\u79d1\u63a8\u51fa\u7684\u200c\u96f6\u4fe1\u4efb\u5fae\u5206\u6bb5\u4e0e\u5168\u6808\u5de5\u4f5c\u8d1f\u8f7d\u4fdd\u62a4\u5e73\u53f0\u3002\r\n\r\nCisco Secure Workload\u5b58\u5728\u7f13\u51b2\u533a\u7ba1\u7406\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u8f6f\u4ef6\u5185\u90e8\u5b89\u5168\u5ba1\u67e5\u4e2d\u53d1\u73b0\u7684\u7f13\u51b2\u533a\u7ba1\u7406\u95ee\u9898\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
"patchName": "Cisco Secure Workload\u7f13\u51b2\u533a\u7ba1\u7406\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": [
"Cisco Cisco Secure Workload 2.2.1.41",
"Cisco Cisco Secure Workload 3.2.1.18",
"Cisco Cisco Secure Workload 3.3.2.50",
"Cisco Cisco Secure Workload 3.4.1.28",
"Cisco Cisco Secure Workload 3.4.1.34",
"Cisco Cisco Secure Workload 2.3.1.45",
"Cisco Cisco Secure Workload 2.3.1.41",
"Cisco Cisco Secure Workload 3.3.2.28",
"Cisco Cisco Secure Workload 3.1.1.59",
"Cisco Cisco Secure Workload 2.0.2.20",
"Cisco Cisco Secure Workload 2.1.1.33",
"Cisco Cisco Secure Workload 2.1.1.29",
"Cisco Cisco Secure Workload 3.2.1.28",
"Cisco Cisco Secure Workload 3.4.1.35",
"Cisco Cisco Secure Workload 3.1.1.65",
"Cisco Cisco Secure Workload 3.1.1.67",
"Cisco Cisco Secure Workload 2.0.1.34",
"Cisco Cisco Secure Workload 2.3.1.49",
"Cisco Cisco Secure Workload 2.2.1.39",
"Cisco Cisco Secure Workload 3.4.1.19",
"Cisco Cisco Secure Workload 3.3.2.23",
"Cisco Cisco Secure Workload 3.1.1.61",
"Cisco Cisco Secure Workload 3.1.1.54",
"Cisco Cisco Secure Workload 3.5.1.17",
"Cisco Cisco Secure Workload 3.3.2.33",
"Cisco Cisco Secure Workload 3.5.1.1",
"Cisco Cisco Secure Workload 2.3.1.53",
"Cisco Cisco Secure Workload 3.5.1.20",
"Cisco Cisco Secure Workload 3.5.1.30",
"Cisco Cisco Secure Workload 3.3.2.16",
"Cisco Cisco Secure Workload 3.1.1.55",
"Cisco Cisco Secure Workload 3.4.1.6",
"Cisco Cisco Secure Workload 2.3.1.50",
"Cisco Cisco Secure Workload 2.3.1.52",
"Cisco Cisco Secure Workload 3.2.1.19",
"Cisco Cisco Secure Workload 2.2.1.35",
"Cisco Cisco Secure Workload 3.1.1.53",
"Cisco Cisco Secure Workload 3.1.1.70",
"Cisco Cisco Secure Workload 3.2.1.20",
"Cisco Cisco Secure Workload 3.5.1.2",
"Cisco Cisco Secure Workload 1.103.1.12",
"Cisco Cisco Secure Workload 2.3.1.51",
"Cisco Cisco Secure Workload 3.3.2.42",
"Cisco Cisco Secure Workload 3.4.1.1",
"Cisco Cisco Secure Workload 3.3.2.12",
"Cisco Cisco Secure Workload 2.1.1.31",
"Cisco Cisco Secure Workload 3.5.1.23",
"Cisco Cisco Secure Workload 3.3.2.53",
"Cisco Cisco Secure Workload 3.4.1.14",
"Cisco Cisco Secure Workload 3.3.2.2",
"Cisco Cisco Secure Workload 3.4.1.20",
"Cisco Cisco Secure Workload 3.3.2.35",
"Cisco Cisco Secure Workload 2.2.1.34",
"Cisco Cisco Secure Workload 1.102.21",
"Cisco Cisco Secure Workload 3.3.2.5",
"Cisco Cisco Secure Workload 3.5.1.31",
"Cisco Cisco Secure Workload 3.6.1.5",
"Cisco Cisco Secure Workload 3.2.1.31",
"Cisco Cisco Secure Workload 3.5.1.37",
"Cisco Cisco Secure Workload 3.4.1.40",
"Cisco Cisco Secure Workload 3.6.1.17",
"Cisco Cisco Secure Workload 3.6.1.21",
"Cisco Cisco Secure Workload 3.2.1.32",
"Cisco Cisco Secure Workload 3.2.1.33",
"Cisco Cisco Secure Workload 3.6.1.35",
"Cisco Cisco Secure Workload 3.6.1.36",
"Cisco Cisco Secure Workload 3.7.1.5",
"Cisco Cisco Secure Workload 3.6.1.47",
"Cisco Cisco Secure Workload 3.7.1.22",
"Cisco Cisco Secure Workload 3.6.1.52",
"Cisco Cisco Secure Workload 3.7.1.39",
"Cisco Cisco Secure Workload 3.8.1.1",
"Cisco Cisco Secure Workload 3.7.1.51",
"Cisco Cisco Secure Workload 3.8.1.19",
"Cisco Cisco Secure Workload 3.8.1.36",
"Cisco Cisco Secure Workload 3.7.1.59",
"Cisco Cisco Secure Workload 3.8.1.39",
"Cisco Cisco Secure Workload 3.9.1.1",
"Cisco Cisco Secure Workload 3.9.1.10",
"Cisco Cisco Secure Workload 3.9.1.24",
"Cisco Cisco Secure Workload 3.9.1.25",
"Cisco Cisco Secure Workload 3.9.1.28",
"Cisco Cisco Secure Workload 3.9.1.38",
"Cisco Cisco Secure Workload 3.8.1.53",
"Cisco Cisco Secure Workload 3.9.1.52",
"Cisco Cisco Secure Workload 3.10.1.1",
"Cisco Cisco Secure Workload 3.9.1.64",
"Cisco Cisco Secure Workload 3.10.2.11",
"Cisco Cisco Secure Workload 3.9.1.66",
"Cisco Cisco Secure Workload 3.10.3.19",
"Cisco Cisco Secure Workload 3.9.1.69",
"Cisco Cisco Secure Workload 3.10.4.8",
"Cisco Cisco Secure Workload 3.10.5.6",
"Cisco Cisco Secure Workload 4.0.1.1",
"Cisco Cisco Secure Workload 4.0.2.4",
"Cisco Cisco Secure Workload 4.0.2.5",
"Cisco Cisco Secure Workload 3.10.6.3",
"Cisco Cisco Secure Workload 3.10.7.4",
"Cisco Cisco Secure Workload 4.0.3.13",
"Cisco Cisco Secure Workload 4.0.3.17",
"Cisco Cisco Secure Workload 3.10.8.3"
]
},
"referenceLink": "https://nvd.nist.gov/vuln/detail/cve-2026-20319",
"serverity": "\u9ad8",
"submitTime": "2026-08-21",
"title": "Cisco Secure Workload\u7f13\u51b2\u533a\u7ba1\u7406\u6f0f\u6d1e"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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