CVE-2025-20192 (GCVE-0-2025-20192)

Vulnerability from cvelistv5 – Published: 2025-05-07 17:36 – Updated: 2025-05-07 19:43
VLAI
Summary
A vulnerability in the Internet Key Exchange version 1 (IKEv1) implementation of Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition. The attacker must have valid IKEv1 VPN credentials to exploit this vulnerability. This vulnerability is due to improper validation of IKEv1 phase 2 parameters before the IPsec security association creation request is handed off to the hardware cryptographic accelerator of an affected device. An attacker could exploit this vulnerability by sending crafted IKEv1 messages to the affected device. A successful exploit could allow the attacker to cause the device to reload.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-232 - Improper Handling of Undefined Values
Assigner
Impacted products
Vendor Product Version
Cisco Cisco IOS XE Software Affected: 3.13.0S
Affected: 3.13.1S
Affected: 3.13.2S
Affected: 3.13.3S
Affected: 3.13.4S
Affected: 3.13.5S
Affected: 3.13.6S
Affected: 3.13.7S
Affected: 3.13.6aS
Affected: 3.13.8S
Affected: 3.13.9S
Affected: 3.13.10S
Affected: 3.14.0S
Affected: 3.14.1S
Affected: 3.14.2S
Affected: 3.14.3S
Affected: 3.14.4S
Affected: 3.15.0S
Affected: 3.15.1S
Affected: 3.15.2S
Affected: 3.15.1cS
Affected: 3.15.3S
Affected: 3.15.4S
Affected: 3.16.0S
Affected: 3.16.1aS
Affected: 3.16.2S
Affected: 3.16.0cS
Affected: 3.16.3S
Affected: 3.16.4aS
Affected: 3.16.4bS
Affected: 3.16.5S
Affected: 3.16.4dS
Affected: 3.16.6S
Affected: 3.16.7S
Affected: 3.16.6bS
Affected: 3.16.7aS
Affected: 3.16.7bS
Affected: 3.16.8S
Affected: 3.16.9S
Affected: 3.16.10S
Affected: 3.17.0S
Affected: 3.17.1S
Affected: 3.17.2S
Affected: 3.17.3S
Affected: 3.17.4S
Affected: 16.2.1
Affected: 16.2.2
Affected: 16.3.1
Affected: 16.3.2
Affected: 16.3.3
Affected: 16.3.1a
Affected: 16.3.4
Affected: 16.3.5
Affected: 16.3.6
Affected: 16.3.7
Affected: 16.3.8
Affected: 16.3.9
Affected: 16.3.10
Affected: 16.3.11
Affected: 16.4.1
Affected: 16.4.2
Affected: 16.4.3
Affected: 16.5.1
Affected: 16.5.1b
Affected: 16.5.2
Affected: 16.5.3
Affected: 3.18.2aSP
Affected: 16.6.1
Affected: 16.6.2
Affected: 16.6.3
Affected: 16.6.4
Affected: 16.6.5
Affected: 16.6.6
Affected: 16.6.7
Affected: 16.6.8
Affected: 16.6.9
Affected: 16.6.10
Affected: 16.7.1
Affected: 16.7.2
Affected: 16.7.3
Affected: 16.8.1
Affected: 16.8.1s
Affected: 16.8.2
Affected: 16.8.3
Affected: 16.9.1
Affected: 16.9.2
Affected: 16.9.1s
Affected: 16.9.3
Affected: 16.9.4
Affected: 16.9.5
Affected: 16.9.6
Affected: 16.9.7
Affected: 16.9.8
Affected: 16.10.1
Affected: 16.10.1a
Affected: 16.10.1b
Affected: 16.10.1s
Affected: 16.10.1e
Affected: 16.10.2
Affected: 16.10.3
Affected: 16.11.1
Affected: 16.11.1a
Affected: 16.11.2
Affected: 16.11.1s
Affected: 16.12.1
Affected: 16.12.1s
Affected: 16.12.1a
Affected: 16.12.1c
Affected: 16.12.2
Affected: 16.12.3
Affected: 16.12.8
Affected: 16.12.2s
Affected: 16.12.4
Affected: 16.12.3s
Affected: 16.12.5
Affected: 16.12.6
Affected: 16.12.7
Affected: 17.1.1
Affected: 17.1.1s
Affected: 17.1.1t
Affected: 17.1.3
Affected: 17.2.1
Affected: 17.2.1r
Affected: 17.2.1v
Affected: 17.2.2
Affected: 17.2.3
Affected: 17.3.1
Affected: 17.3.2
Affected: 17.3.3
Affected: 17.3.1a
Affected: 17.3.4
Affected: 17.3.5
Affected: 17.3.4a
Affected: 17.3.6
Affected: 17.3.7
Affected: 17.3.8
Affected: 17.3.8a
Affected: 17.4.1
Affected: 17.4.2
Affected: 17.4.1a
Affected: 17.4.1b
Affected: 17.5.1
Affected: 17.5.1a
Affected: 17.6.1
Affected: 17.6.2
Affected: 17.6.1a
Affected: 17.6.3
Affected: 17.6.1y
Affected: 17.6.3a
Affected: 17.6.4
Affected: 17.6.5
Affected: 17.6.6
Affected: 17.6.6a
Affected: 17.6.5a
Affected: 17.6.7
Affected: 17.6.8
Affected: 17.6.8a
Affected: 17.7.1
Affected: 17.7.1a
Affected: 17.7.2
Affected: 17.10.1
Affected: 17.10.1a
Affected: 17.8.1
Affected: 17.8.1a
Affected: 17.9.1
Affected: 17.9.2
Affected: 17.9.1a
Affected: 17.9.3
Affected: 17.9.2a
Affected: 17.9.3a
Affected: 17.9.4
Affected: 17.9.5
Affected: 17.9.4a
Affected: 17.9.5a
Affected: 17.9.5b
Affected: 17.9.5e
Affected: 17.9.5f
Affected: 17.11.1
Affected: 17.11.1a
Affected: 17.12.1
Affected: 17.12.1a
Affected: 17.12.2
Affected: 17.12.3
Affected: 17.12.2a
Affected: 17.12.3a
Affected: 17.13.1
Affected: 17.13.1a
Affected: 17.14.1
Affected: 17.14.1a
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "version": "17.6.6"
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\"affected\", \"version\": \"16.9.4\"}, {\"status\": \"affected\", \"version\": \"16.9.5\"}, {\"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\": \"16.10.1e\"}, {\"status\": \"affected\", \"version\": \"16.10.2\"}, {\"status\": \"affected\", \"version\": \"16.10.3\"}, {\"status\": \"affected\", \"version\": \"16.11.1\"}, {\"status\": \"affected\", \"version\": \"16.11.1a\"}, {\"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\": \"16.12.2\"}, {\"status\": \"affected\", \"version\": \"16.12.3\"}, {\"status\": \"affected\", \"version\": \"16.12.8\"}, {\"status\": \"affected\", \"version\": \"16.12.2s\"}, {\"status\": \"affected\", \"version\": \"16.12.4\"}, {\"status\": \"affected\", \"version\": \"16.12.3s\"}, {\"status\": \"affected\", \"version\": \"16.12.5\"}, {\"status\": \"affected\", \"version\": \"16.12.6\"}, {\"status\": \"affected\", \"version\": \"16.12.7\"}, {\"status\": \"affected\", \"version\": \"17.1.1\"}, {\"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\": \"17.2.1v\"}, {\"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\": \"17.3.4\"}, {\"status\": \"affected\", \"version\": \"17.3.5\"}, {\"status\": \"affected\", \"version\": \"17.3.4a\"}, {\"status\": \"affected\", \"version\": \"17.3.6\"}, {\"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\": \"17.5.1\"}, {\"status\": \"affected\", \"version\": \"17.5.1a\"}, {\"status\": \"affected\", \"version\": \"17.6.1\"}, {\"status\": \"affected\", \"version\": \"17.6.2\"}, {\"status\": \"affected\", \"version\": \"17.6.1a\"}, {\"status\": \"affected\", \"version\": \"17.6.3\"}, {\"status\": \"affected\", \"version\": \"17.6.1y\"}, {\"status\": \"affected\", \"version\": \"17.6.3a\"}, {\"status\": \"affected\", \"version\": \"17.6.4\"}, {\"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\": \"17.7.2\"}, {\"status\": \"affected\", \"version\": \"17.10.1\"}, {\"status\": \"affected\", \"version\": \"17.10.1a\"}, {\"status\": \"affected\", \"version\": \"17.8.1\"}, {\"status\": \"affected\", \"version\": \"17.8.1a\"}, {\"status\": \"affected\", \"version\": \"17.9.1\"}, {\"status\": \"affected\", \"version\": \"17.9.2\"}, {\"status\": \"affected\", \"version\": \"17.9.1a\"}, {\"status\": \"affected\", \"version\": \"17.9.3\"}, {\"status\": \"affected\", \"version\": \"17.9.2a\"}, {\"status\": \"affected\", \"version\": \"17.9.3a\"}, {\"status\": \"affected\", \"version\": \"17.9.4\"}, {\"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\": \"17.9.5e\"}, {\"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\": \"17.12.1a\"}, {\"status\": \"affected\", \"version\": \"17.12.2\"}, {\"status\": \"affected\", \"version\": \"17.12.3\"}, {\"status\": \"affected\", \"version\": \"17.12.2a\"}, {\"status\": \"affected\", \"version\": \"17.12.3a\"}, {\"status\": \"affected\", \"version\": \"17.13.1\"}, {\"status\": \"affected\", \"version\": \"17.13.1a\"}, {\"status\": \"affected\", \"version\": \"17.14.1\"}, {\"status\": \"affected\", \"version\": \"17.14.1a\"}]}], \"exploits\": [{\"lang\": \"en\", \"value\": \"The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.\"}], \"references\": [{\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-ikev1-dos-XHk3HzFC\", \"name\": \"cisco-sa-iosxe-ikev1-dos-XHk3HzFC\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability in the Internet Key Exchange version 1 (IKEv1) implementation of Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition. The attacker must have valid IKEv1 VPN credentials to exploit this vulnerability.\\r\\n\\r This vulnerability is due to improper validation of IKEv1 phase 2 parameters before the IPsec security association creation request is handed off to the hardware cryptographic accelerator of an affected device. An attacker could exploit this vulnerability by sending crafted IKEv1 messages to the affected device. A successful exploit could allow the attacker to cause the device to reload.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"cwe\", \"cweId\": \"CWE-232\", \"description\": \"Improper Handling of Undefined Values\"}]}], \"providerMetadata\": {\"orgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"shortName\": \"cisco\", \"dateUpdated\": \"2025-05-07T17:36:16.366Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-20192\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-07T19:43:26.883Z\", \"dateReserved\": \"2024-10-10T19:15:13.226Z\", \"assignerOrgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"datePublished\": \"2025-05-07T17:36:16.366Z\", \"assignerShortName\": \"cisco\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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