cve-2025-20145
Vulnerability from cvelistv5
Published
2025-03-12 16:12
Modified
2025-03-21 20:32
Severity ?
EPSS score ?
Summary
Cisco IOS XR Software Access Control List Bypass Vulnerability
References
Impacted products
| ▼ | Vendor | Product |
|---|---|---|
| Cisco | Cisco IOS XR Software |
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"timestamp": "2025-03-21T20:32:16.967308Z",
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"product": "Cisco IOS XR Software",
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"status": "affected",
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"status": "affected",
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"status": "affected",
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"status": "affected",
"version": "7.7.2"
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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",
"version": "7.8.22"
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{
"status": "affected",
"version": "7.7.21"
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{
"status": "affected",
"version": "7.9.2"
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{
"status": "affected",
"version": "7.3.5"
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{
"status": "affected",
"version": "7.5.5"
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{
"status": "affected",
"version": "7.11.1"
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{
"status": "affected",
"version": "7.10.2"
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{
"status": "affected",
"version": "24.1.1"
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"status": "affected",
"version": "7.3.6"
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"status": "affected",
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"descriptions": [
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"lang": "en",
"value": "A vulnerability in the access control list (ACL) processing in the egress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL.\r\n\r\nThis vulnerability exists because certain packets are handled incorrectly when they are received on an ingress interface on one line card and destined out of an egress interface on another line card where the egress ACL is configured. An attacker could exploit this vulnerability by attempting to send traffic through an affected device. A successful exploit could allow the attacker to bypass an egress ACL on the affected device.\r\nFor more information about this vulnerability, see the section of this advisory.\r\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability."
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"exploits": [
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"value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
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"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N",
"version": "3.1"
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"description": "Permissions, Privileges, and Access Control",
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"name": "cisco-sa-modular-ACL-u5MEPXMm",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-modular-ACL-u5MEPXMm"
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{
"name": "Crafting endless AS-PATHS in BGP",
"url": "https://blog.apnic.net/2024/09/02/crafting-endless-as-paths-in-bgp/"
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"source": {
"advisory": "cisco-sa-modular-ACL-u5MEPXMm",
"defects": [
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"discovery": "INTERNAL"
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"title": "Cisco IOS XR Software Access Control List Bypass Vulnerability"
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"datePublished": "2025-03-12T16:12:48.668Z",
"dateReserved": "2024-10-10T19:15:13.215Z",
"dateUpdated": "2025-03-21T20:32:32.526Z",
"state": "PUBLISHED"
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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.