The IOS HTTP service in Cisco routers and switches running IOS 11.1 through 12.1 allows remote attackers to cause a denial of service by requesting a URL that contains a %% string.
> AFFECTED_PRODUCTS
Cisco - IOS
Version: 11.1
Cisco - IOS
Version: 11.2
Cisco - IOS
Version: 11.2\(4\)f1
Cisco - IOS
Version: 11.2\(8\)
Cisco - IOS
Version: 11.2\(8\)p
Cisco - IOS
Version: 11.2\(9\)p
Cisco - IOS
Version: 11.2\(9\)xa
Cisco - IOS
Version: 11.2\(10\)
Cisco - IOS
Version: 11.2\(10\)bc
Cisco - IOS
Version: 11.2\(17\)
Cisco - IOS
Version: 11.2p
Cisco - IOS
Version: 11.3
Cisco - IOS
Version: 11.3\(1\)
Cisco - IOS
Version: 11.3\(1\)ed
Cisco - IOS
Version: 11.3\(1\)t
Cisco - IOS
Version: 11.3t
Cisco - IOS
Version: 12.0
Cisco - IOS
Version: 12.0\(1\)w
Cisco - IOS
Version: 12.0\(1\)xa3
Cisco - IOS
Version: 12.0\(1\)xb
Cisco - IOS
Version: 12.0\(1\)xe
Cisco - IOS
Version: 12.0\(2\)
Cisco - IOS
Version: 12.0\(2\)xc
Cisco - IOS
Version: 12.0\(2\)xd
Cisco - IOS
Version: 12.0\(2\)xf
Cisco - IOS
Version: 12.0\(2\)xg
Cisco - IOS
Version: 12.0\(3\)t2
Cisco - IOS
Version: 12.0\(4\)
Cisco - IOS
Version: 12.0\(4\)s
Cisco - IOS
Version: 12.0\(4\)t
Cisco - IOS
Version: 12.0\(5\)
Cisco - IOS
Version: 12.0\(5\)t1
Cisco - IOS
Version: 12.0\(6\)
Cisco - IOS
Version: 12.0\(7\)t
Cisco - IOS
Version: 12.0\(8\)
Cisco - IOS
Version: 12.0\(9\)s
Cisco - IOS
Version: 12.0db
Cisco - IOS
Version: 12.0s
Cisco - IOS
Version: 12.0t
> HISTORIQUE DES MODIFICATIONS
Première apparition
26/04/2000 04:00
Source: NVD
📊
ENRICHISSEMENT
18/10/2025 14:00
CVEPROJECT
Champ modifié: CVE Project
Ancienne valeur:
Non
Nouvelle valeur:
Oui
Total des modifications: 1
Dernière mise à jour: 1 year ago