cve-2025-20221
Vulnerability from cvelistv5
Published
2025-05-07 17:38
Modified
2025-05-07 19:41
Severity ?
EPSS score ?
Summary
A vulnerability in the packet filtering features of Cisco IOS XE SD-WAN Software could allow an unauthenticated, remote attacker to bypass Layer 3 and Layer 4 traffic filters.
This vulnerability is due to improper traffic filtering conditions on an affected device. An attacker could exploit this vulnerability by sending a crafted packet to the affected device. A successful exploit could allow the attacker to bypass the Layer 3 and Layer 4 traffic filters and inject a crafted packet into the network.
References
Impacted products
| ▼ | Vendor | Product |
|---|---|---|
| Cisco | Cisco IOS XE Software |
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"id": "CVE-2025-20221",
"options": [
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"Exploitation": "none"
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"Automatable": "yes"
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{
"Technical Impact": "total"
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"role": "CISA Coordinator",
"timestamp": "2025-05-07T18:56:50.900282Z",
"version": "2.0.3"
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{
"product": "Cisco IOS XE Software",
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"status": "affected",
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"status": "affected",
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"status": "affected",
"version": "17.7.2"
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{
"status": "affected",
"version": "17.10.1"
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"status": "affected",
"version": "17.10.1a"
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"status": "affected",
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{
"status": "affected",
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"version": "17.12.4"
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"version": "17.12.1z2"
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"value": "The Cisco Product Security Incident Response Team (PSIRT) is aware that proof-of-concept exploit code is available for the vulnerability described in this advisory.\r\n\r\nThe Cisco PSIRT is not aware of any malicious use of the vulnerability that is described in this advisory."
}
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"metrics": [
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"references": [
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"name": "cisco-sa-snmp-bypass-HHUVujdn",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snmp-bypass-HHUVujdn"
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"source": {
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"defects": [
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"datePublished": "2025-05-07T17:38:49.862Z",
"dateReserved": "2024-10-10T19:15:13.233Z",
"dateUpdated": "2025-05-07T19:41:59.096Z",
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}
}
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- 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.