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CVE-2026-20004

🗓️ 25 Mar 2026 16:04:48Reported by ciscoType 
cve
 cve
🔗 web.nvd.nist.gov👁 80 Views

Cisco IOS XE Transport Layer Security memory exhaustion enables an unauthenticated adjacent attacker to cause denial of service.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
BDU FSTEC
The vulnerability of the Cisco IOS XE operating system’s TLS library allows attackers to trigger memory exhaustion or service failure.
13 May 202600:00
bdu_fstec
Circl
CVE-2026-20004
25 Mar 202618:51
circl
Cisco
Cisco IOS XE Software TLS Memory Exhaustion Denial of Service Vulnerability
25 Mar 202616:00
cisco
CNNVD
Cisco IOS XE Software 安全漏洞
25 Mar 202600:00
cnnvd
Cvelist
CVE-2026-20004
25 Mar 202616:04
cvelist
EUVD
EUVD-2026-15426
25 Mar 202618:31
euvd
NCSC
Vulnerabilities fixed in Cisco IOS XE Software
26 Mar 202609:50
ncsc
NVD
CVE-2026-20004
25 Mar 202616:16
nvd
Positive Technologies
PT-2026-27787
25 Mar 202600:00
ptsecurity
RedhatCVE
CVE-2026-20004
26 Mar 202617:00
redhatcve
Rows per page
Vulners
Node
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[
  {
    "vendor": "Cisco",
    "product": "Cisco IOS XE Software",
    "versions": [
      {
        "version": "16.9.1",
        "status": "affected"
      },
      {
        "version": "16.9.2",
        "status": "affected"
      },
      {
        "version": "16.9.1a",
        "status": "affected"
      },
      {
        "version": "16.9.1b",
        "status": "affected"
      },
      {
        "version": "16.9.1s",
        "status": "affected"
      },
      {
        "version": "16.9.3",
        "status": "affected"
      },
      {
        "version": "16.9.4",
        "status": "affected"
      },
      {
        "version": "16.9.3a",
        "status": "affected"
      },
      {
        "version": "16.9.5",
        "status": "affected"
      },
      {
        "version": "16.9.5f",
        "status": "affected"
      },
      {
        "version": "16.9.6",
        "status": "affected"
      },
      {
        "version": "16.9.7",
        "status": "affected"
      },
      {
        "version": "16.9.8",
        "status": "affected"
      },
      {
        "version": "16.10.1",
        "status": "affected"
      },
      {
        "version": "16.10.1a",
        "status": "affected"
      },
      {
        "version": "16.10.1b",
        "status": "affected"
      },
      {
        "version": "16.10.1s",
        "status": "affected"
      },
      {
        "version": "16.10.1c",
        "status": "affected"
      },
      {
        "version": "16.10.1e",
        "status": "affected"
      },
      {
        "version": "16.10.1d",
        "status": "affected"
      },
      {
        "version": "16.10.2",
        "status": "affected"
      },
      {
        "version": "16.10.1f",
        "status": "affected"
      },
      {
        "version": "16.10.1g",
        "status": "affected"
      },
      {
        "version": "16.10.3",
        "status": "affected"
      },
      {
        "version": "16.11.1",
        "status": "affected"
      },
      {
        "version": "16.11.1a",
        "status": "affected"
      },
      {
        "version": "16.11.1b",
        "status": "affected"
      },
      {
        "version": "16.11.2",
        "status": "affected"
      },
      {
        "version": "16.11.1s",
        "status": "affected"
      },
      {
        "version": "16.12.1",
        "status": "affected"
      },
      {
        "version": "16.12.1s",
        "status": "affected"
      },
      {
        "version": "16.12.1a",
        "status": "affected"
      },
      {
        "version": "16.12.1c",
        "status": "affected"
      },
      {
        "version": "16.12.1w",
        "status": "affected"
      },
      {
        "version": "16.12.2",
        "status": "affected"
      },
      {
        "version": "16.12.1y",
        "status": "affected"
      },
      {
        "version": "16.12.2a",
        "status": "affected"
      },
      {
        "version": "16.12.3",
        "status": "affected"
      },
      {
        "version": "16.12.8",
        "status": "affected"
      },
      {
        "version": "16.12.2s",
        "status": "affected"
      },
      {
        "version": "16.12.1x",
        "status": "affected"
      },
      {
        "version": "16.12.1t",
        "status": "affected"
      },
      {
        "version": "16.12.4",
        "status": "affected"
      },
      {
        "version": "16.12.3s",
        "status": "affected"
      },
      {
        "version": "16.12.3a",
        "status": "affected"
      },
      {
        "version": "16.12.4a",
        "status": "affected"
      },
      {
        "version": "16.12.5",
        "status": "affected"
      },
      {
        "version": "16.12.6",
        "status": "affected"
      },
      {
        "version": "16.12.1z1",
        "status": "affected"
      },
      {
        "version": "16.12.5a",
        "status": "affected"
      },
      {
        "version": "16.12.5b",
        "status": "affected"
      },
      {
        "version": "16.12.1z2",
        "status": "affected"
      },
      {
        "version": "16.12.6a",
        "status": "affected"
      },
      {
        "version": "16.12.7",
        "status": "affected"
      },
      {
        "version": "16.12.9",
        "status": "affected"
      },
      {
        "version": "16.12.10",
        "status": "affected"
      },
      {
        "version": "16.12.10a",
        "status": "affected"
      },
      {
        "version": "16.12.11",
        "status": "affected"
      },
      {
        "version": "16.12.12",
        "status": "affected"
      },
      {
        "version": "16.12.13",
        "status": "affected"
      },
      {
        "version": "16.12.14",
        "status": "affected"
      },
      {
        "version": "16.12.15",
        "status": "affected"
      },
      {
        "version": "17.1.1",
        "status": "affected"
      },
      {
        "version": "17.1.1a",
        "status": "affected"
      },
      {
        "version": "17.1.1s",
        "status": "affected"
      },
      {
        "version": "17.1.1t",
        "status": "affected"
      },
      {
        "version": "17.1.3",
        "status": "affected"
      },
      {
        "version": "17.2.1",
        "status": "affected"
      },
      {
        "version": "17.2.1r",
        "status": "affected"
      },
      {
        "version": "17.2.1a",
        "status": "affected"
      },
      {
        "version": "17.2.1v",
        "status": "affected"
      },
      {
        "version": "17.2.2",
        "status": "affected"
      },
      {
        "version": "17.2.3",
        "status": "affected"
      },
      {
        "version": "17.3.1",
        "status": "affected"
      },
      {
        "version": "17.3.2",
        "status": "affected"
      },
      {
        "version": "17.3.3",
        "status": "affected"
      },
      {
        "version": "17.3.1a",
        "status": "affected"
      },
      {
        "version": "17.3.1w",
        "status": "affected"
      },
      {
        "version": "17.3.2a",
        "status": "affected"
      },
      {
        "version": "17.3.1x",
        "status": "affected"
      },
      {
        "version": "17.3.1z",
        "status": "affected"
      },
      {
        "version": "17.3.4",
        "status": "affected"
      },
      {
        "version": "17.3.5",
        "status": "affected"
      },
      {
        "version": "17.3.4a",
        "status": "affected"
      },
      {
        "version": "17.3.6",
        "status": "affected"
      },
      {
        "version": "17.3.4b",
        "status": "affected"
      },
      {
        "version": "17.3.4c",
        "status": "affected"
      },
      {
        "version": "17.3.5a",
        "status": "affected"
      },
      {
        "version": "17.3.5b",
        "status": "affected"
      },
      {
        "version": "17.3.7",
        "status": "affected"
      },
      {
        "version": "17.3.8",
        "status": "affected"
      },
      {
        "version": "17.3.8a",
        "status": "affected"
      },
      {
        "version": "17.4.1",
        "status": "affected"
      },
      {
        "version": "17.4.2",
        "status": "affected"
      },
      {
        "version": "17.4.1a",
        "status": "affected"
      },
      {
        "version": "17.4.1b",
        "status": "affected"
      },
      {
        "version": "17.4.2a",
        "status": "affected"
      },
      {
        "version": "17.5.1",
        "status": "affected"
      },
      {
        "version": "17.5.1a",
        "status": "affected"
      },
      {
        "version": "17.6.1",
        "status": "affected"
      },
      {
        "version": "17.6.2",
        "status": "affected"
      },
      {
        "version": "17.6.1w",
        "status": "affected"
      },
      {
        "version": "17.6.1a",
        "status": "affected"
      },
      {
        "version": "17.6.1x",
        "status": "affected"
      },
      {
        "version": "17.6.3",
        "status": "affected"
      },
      {
        "version": "17.6.1y",
        "status": "affected"
      },
      {
        "version": "17.6.1z",
        "status": "affected"
      },
      {
        "version": "17.6.3a",
        "status": "affected"
      },
      {
        "version": "17.6.4",
        "status": "affected"
      },
      {
        "version": "17.6.1z1",
        "status": "affected"
      },
      {
        "version": "17.6.5",
        "status": "affected"
      },
      {
        "version": "17.6.6",
        "status": "affected"
      },
      {
        "version": "17.6.6a",
        "status": "affected"
      },
      {
        "version": "17.6.5a",
        "status": "affected"
      },
      {
        "version": "17.6.7",
        "status": "affected"
      },
      {
        "version": "17.6.8",
        "status": "affected"
      },
      {
        "version": "17.6.8a",
        "status": "affected"
      },
      {
        "version": "17.7.1",
        "status": "affected"
      },
      {
        "version": "17.7.1a",
        "status": "affected"
      },
      {
        "version": "17.7.1b",
        "status": "affected"
      },
      {
        "version": "17.7.2",
        "status": "affected"
      },
      {
        "version": "17.10.1",
        "status": "affected"
      },
      {
        "version": "17.10.1a",
        "status": "affected"
      },
      {
        "version": "17.10.1b",
        "status": "affected"
      },
      {
        "version": "17.8.1",
        "status": "affected"
      },
      {
        "version": "17.8.1a",
        "status": "affected"
      },
      {
        "version": "17.9.1",
        "status": "affected"
      },
      {
        "version": "17.9.1w",
        "status": "affected"
      },
      {
        "version": "17.9.2",
        "status": "affected"
      },
      {
        "version": "17.9.1a",
        "status": "affected"
      },
      {
        "version": "17.9.1x",
        "status": "affected"
      },
      {
        "version": "17.9.1y",
        "status": "affected"
      },
      {
        "version": "17.9.3",
        "status": "affected"
      },
      {
        "version": "17.9.2a",
        "status": "affected"
      },
      {
        "version": "17.9.1x1",
        "status": "affected"
      },
      {
        "version": "17.9.3a",
        "status": "affected"
      },
      {
        "version": "17.9.4",
        "status": "affected"
      },
      {
        "version": "17.9.1y1",
        "status": "affected"
      },
      {
        "version": "17.9.5",
        "status": "affected"
      },
      {
        "version": "17.9.4a",
        "status": "affected"
      },
      {
        "version": "17.9.5a",
        "status": "affected"
      },
      {
        "version": "17.9.5b",
        "status": "affected"
      },
      {
        "version": "17.9.6",
        "status": "affected"
      },
      {
        "version": "17.9.6a",
        "status": "affected"
      },
      {
        "version": "17.9.5e",
        "status": "affected"
      },
      {
        "version": "17.9.5f",
        "status": "affected"
      },
      {
        "version": "17.11.1",
        "status": "affected"
      },
      {
        "version": "17.11.1a",
        "status": "affected"
      },
      {
        "version": "17.12.1",
        "status": "affected"
      },
      {
        "version": "17.12.1w",
        "status": "affected"
      },
      {
        "version": "17.12.1a",
        "status": "affected"
      },
      {
        "version": "17.12.1x",
        "status": "affected"
      },
      {
        "version": "17.12.2",
        "status": "affected"
      },
      {
        "version": "17.12.3",
        "status": "affected"
      },
      {
        "version": "17.12.2a",
        "status": "affected"
      },
      {
        "version": "17.12.1y",
        "status": "affected"
      },
      {
        "version": "17.12.1z",
        "status": "affected"
      },
      {
        "version": "17.12.4",
        "status": "affected"
      },
      {
        "version": "17.12.3a",
        "status": "affected"
      },
      {
        "version": "17.12.1z1",
        "status": "affected"
      },
      {
        "version": "17.12.1z2",
        "status": "affected"
      },
      {
        "version": "17.12.4a",
        "status": "affected"
      },
      {
        "version": "17.12.4b",
        "status": "affected"
      },
      {
        "version": "17.12.1z3",
        "status": "affected"
      },
      {
        "version": "17.12.1z4",
        "status": "affected"
      },
      {
        "version": "17.12.1z5",
        "status": "affected"
      },
      {
        "version": "17.12.1z6",
        "status": "affected"
      },
      {
        "version": "17.13.1",
        "status": "affected"
      },
      {
        "version": "17.13.1a",
        "status": "affected"
      },
      {
        "version": "17.14.1",
        "status": "affected"
      },
      {
        "version": "17.14.1a",
        "status": "affected"
      },
      {
        "version": "17.15.1",
        "status": "affected"
      },
      {
        "version": "17.15.1w",
        "status": "affected"
      },
      {
        "version": "17.15.1a",
        "status": "affected"
      },
      {
        "version": "17.15.1b",
        "status": "affected"
      },
      {
        "version": "17.15.1x",
        "status": "affected"
      },
      {
        "version": "17.15.1z",
        "status": "affected"
      },
      {
        "version": "17.15.1y",
        "status": "affected"
      },
      {
        "version": "17.16.1",
        "status": "affected"
      },
      {
        "version": "17.16.1a",
        "status": "affected"
      }
    ]
  }
]

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17 Jun 2026 10:16Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.4
EPSS0.00179
SSVC
80