Informazioni sul CVE-2019-1686
Cisco ASR 9000 Series Aggregation Services Routers ACL Bypass Vulnerability
CWE ID: CWE-284
Base Score (CVSS): N/A
CVE: CVE-2019-1686
Descrizione: A vulnerability in the TCP flags inspection feature for access control lists (ACLs) on Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to bypass protection offered by a configured ACL on an affected device. The vulnerability is due to incorrect processing of the ACL applied to an interface of an affected device when Cisco Express Forwarding load balancing using the 3-tuple hash algorithm is enabled. An attacker could exploit this vulnerability by sending traffic through an affected device that should otherwise be denied by the configured ACL. An exploit could allow the attacker to bypass protection offered by a configured ACL on the affected device. There are workarounds that address this vulnerability. Affected Cisco IOS XR versions are: Cisco IOS XR Software Release 5.1.1 and later till first fixed. First Fixed Releases: 6.5.2 and later, 6.6.1 and later.
Vettore di attacco
Punteggio CVSS
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Riassunto: .
Dettaglio del Vettore
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Riferimenti esterni
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190417-iosxracl
- http://www.securityfocus.com/bid/108026
Prodotti interessati
- Cisco – Cisco IOS XR Software
Relazioni con altri prodotti
Produttore:Cisco
Prodotto: Cisco IOS XR Software
Anno: 2019
CWE: CWE-284
CVSS: 0.0