PUBLISHED DATE: December 31, 1999CVE-1999-1465:
Access Control Vulnerability

Description

Vulnerability in Cisco IOS 11.1 through 11.3 with distributed fast switching (DFS) enabled allows remote attackers to bypass certain access control lists when the router switches traffic from a DFS-enabled input interface to an output interface with a logical subinterface, as described by Cisco bug CSCdk43862.

Products

• Cisco IOS
• Cisco IOS
• Cisco IOS 1.6.0.0
• Cisco IOS 1.8.0
• Cisco IOS 10.0
• Cisco IOS 10.3
• Cisco IOS 10.3.16
• Cisco IOS 10.3.19 a
• Cisco IOS 10.3.3 .3
• Cisco IOS 10.3.3.4
• Cisco IOS 10.3.4 .2
• Cisco IOS 10.3.4 .3
• Cisco IOS 11.0.12 (a)BT
• Cisco IOS 11.0
• Cisco IOS 11.0.12
• Cisco IOS 11.0.17
• Cisco IOS 11.0.17 BT
• Cisco IOS 11.0 (18)
• Cisco IOS 11.0.20.3
• Cisco IOS 11.0 (22a)
• Cisco IOS 11.0 (22b)
• Cisco IOS 11.0 .x
• Cisco IOS 11.1
• Cisco IOS 11.1(11)
• Cisco IOS 11.1(12)
• Cisco IOS 11.1.13
• Cisco IOS 11.1.13 AA
• Cisco IOS 11.1.13 CA
• Cisco IOS 11.1.13 IA
• Cisco IOS 11.1(14)
• Cisco IOS 11.1.15
• Cisco IOS 11.1.15 AA
• Cisco IOS 11.1.15 CA
• Cisco IOS 11.1.15 IA
• Cisco IOS 11.1(16)
• Cisco IOS 11.1.16 AA
• Cisco IOS 11.1.16 IA
• Cisco IOS 11.1(17)
• Cisco IOS 11.1.17 CC
• Cisco IOS 11.1.17 CT
• Cisco IOS 11.1(18)
• Cisco IOS 11.1 (20)AA4
• Cisco IOS 11.1(22)
• Cisco IOS 11.1(24)
• Cisco IOS 11.1 (24a)
• Cisco IOS 11.1 (24b)
• Cisco IOS 11.1 (24c)
• Cisco IOS 11.1 (28a)CT
• Cisco IOS 11.1 (28a)IA
• Cisco IOS 11.1 (36)CA2
• Cisco IOS 11.1 (36)CA4
• Cisco IOS 11.1 (36)CC2
• Cisco IOS 11.1 (36)CC4
• Cisco IOS 11.1(5)
• Cisco IOS 11.1.7
• Cisco IOS 11.1.7 AA
• Cisco IOS 11.1.7 CA
• Cisco IOS 11.1.9 IA
• Cisco IOS 11.1 AA
• Cisco IOS 11.1 CA
• Cisco IOS 11.1CC
• Cisco IOS 11.1CT
• Cisco IOS 11.1 IA
• Cisco IOS 11.2
• Cisco IOS 11.2.10
• Cisco IOS 11.2.10 BC
• Cisco IOS 11.2(11)
• Cisco IOS 11.2 (11b)T2
• Cisco IOS 11.2(14)GS2
• Cisco IOS 11.2(15)G
• Cisco IOS 11.2(15a)P
• Cisco IOS 11.2 (15b)
• Cisco IOS 11.2(16)
• Cisco IOS 11.2(16)P
• Cisco IOS 11.2(17)
• Cisco IOS 11.2(18)
• Cisco IOS 11.2 (19)GS0.2
• Cisco IOS 11.2 (19a)GS6
• Cisco IOS 11.2 (23a)BC1
• Cisco IOS 11.2 (26)P2
• Cisco IOS 11.2 (26)P5
• Cisco IOS 11.2 (26a)
• Cisco IOS 11.2 (26b)
• Cisco IOS 11.2 (26e)
• Cisco IOS 11.2.4
• Cisco IOS 11.2.4 F1
• Cisco IOS 11.2.4 F
• Cisco IOS 11.2 (4)XA
• Cisco IOS 11.2 (4)XAf
• Cisco Catalyst 2900 11.2 (8.2)SA6
• Cisco IOS 11.2 (8.9)SA6
• Cisco IOS 11.2.8
• Cisco IOS 11.2.8 P
• Cisco IOS 11.2.8 SA1
• Cisco IOS 11.2.8 SA3
• Cisco IOS 11.2.8 SA5
• Cisco IOS 11.2.9 P
• Cisco IOS 11.2.9 XA
• Cisco IOS 11.2 BC
• Cisco IOS 11.2 F
• Cisco IOS 11.2 GS
• Cisco IOS 11.2P
• Cisco IOS 11.2 SA
• Cisco IOS 11.2 WA3
• Cisco IOS 11.2 WA4
• Cisco IOS 11.2 XA
• Cisco IOS 11.3
• Cisco IOS 11.x
• Cisco IOS 2.3
• Cisco IOS 3.10.0ce
• Cisco IOS 3.10.0e
• Cisco IOS 3.10.0s
• Cisco IOS 3.10.10s
• Cisco IOS 3.10.1ae
• Cisco IOS 3.10.1e
• Cisco IOS 3.10.1s
• Cisco IOS 3.10.1se
• Cisco IOS 3.10.1xbs
• Cisco IOS 3.10.1xcs
• Cisco IOS 3.10.2as
• Cisco IOS 3.10.2e
• Cisco IOS 3.10.2s
• Cisco IOS 3.10.2ts
• Cisco IOS 3.10.3e
• Cisco IOS 3.10.3s
• Cisco IOS 3.10.4s
• Cisco IOS 3.10.5s
• Cisco IOS 3.10.6s
• Cisco IOS 3.10.7s
• Cisco IOS 3.10.8as
• Cisco IOS 3.10.8s
• Cisco IOS 3.10.9s
• Cisco IOS 3.11.0e
• Cisco IOS 3.11.0s
• Cisco IOS 3.11.1ae
• Cisco IOS 3.11.1e
• Cisco IOS 3.11.1s
• Cisco IOS 3.11.2ae
• Cisco IOS 3.11.2e
• Cisco IOS 3.11.2s
• Cisco IOS 3.11.3ae
• Cisco IOS 3.11.3e
• Cisco IOS 3.11.3s
• Cisco IOS 3.11.4e
• Cisco IOS 3.11.4s
• Cisco IOS 3.11.5e
• Cisco IOS 3.11.6e
• Cisco IOS 3.12.0as
• Cisco IOS 3.12.0s
• Cisco IOS 3.12.1s
• Cisco IOS 3.12.2s
• Cisco IOS 3.12.3s
• Cisco IOS 3.12.4s
• Cisco IOS 3.13.0as
• Cisco IOS 3.13.0s
• Cisco IOS 3.13.10s
• Cisco IOS 3.13.1s
• Cisco IOS 3.13.2as
• Cisco IOS 3.13.2s
• Cisco IOS 3.13.3s
• Cisco IOS 3.13.4s
• Cisco IOS 3.13.5as
• Cisco IOS 3.13.5s
• Cisco IOS 3.13.6as
• Cisco IOS 3.13.6bs
• Cisco IOS 3.13.6s
• Cisco IOS 3.13.7as
• Cisco IOS 3.13.7s
• Cisco IOS 3.13.8s
• Cisco IOS 3.13.9s
• Cisco IOS 3.14.0s
• Cisco IOS 3.14.1s
• Cisco IOS 3.14.2s
• Cisco IOS 3.14.3s
• Cisco IOS 3.14.4s
• Cisco IOS 3.15.0s
• Cisco IOS 3.15.1cs
• Cisco IOS 3.15.1s
• Cisco IOS 3.15.2s
• Cisco IOS 3.15.3s
• Cisco IOS 3.15.4s
• Cisco IOS 3.16.0as
• Cisco IOS 3.16.0bs
• Cisco IOS 3.16.0cs
• Cisco IOS 3.16.0s
• Cisco IOS 3.16.10as
• Cisco IOS 3.16.10bs
• Cisco IOS 3.16.10s
• Cisco IOS 3.16.1
• Cisco IOS 3.16.1as
• Cisco IOS 3.16.1s
• Cisco IOS 3.16.2as
• Cisco IOS 3.16.2bs
• Cisco IOS 3.16.2s
• Cisco IOS 3.16.3as
• Cisco IOS 3.16.3s
• Cisco IOS 3.16.4as
• Cisco IOS 3.16.4bs
• Cisco IOS 3.16.4cs
• Cisco IOS 3.16.4ds
• Cisco IOS 3.16.4es
• Cisco IOS 3.16.4gs
• Cisco IOS 3.16.4s
• Cisco IOS 3.16.5as
• Cisco IOS 3.16.5bs
• Cisco IOS 3.16.5s
• Cisco IOS 3.16.6bs
• Cisco IOS 3.16.6s
• Cisco IOS 3.16.7as
• Cisco IOS 3.16.7bs
• Cisco IOS 3.16.7s
• Cisco IOS 3.16.8s
• Cisco IOS 3.16.9s
• Cisco IOS 3.17.0s
• Cisco IOS 3.17.1as
• Cisco IOS 3.17.1s
• Cisco IOS 3.17.2s
• Cisco IOS 3.17.3s
• Cisco IOS 3.17.4s
• Cisco IOS 3.18.0as
• Cisco IOS 3.18.0s
• Cisco IOS 3.18.0sp
• Cisco IOS 3.18.1asp
• Cisco IOS 3.18.1bsp
• Cisco IOS 3.18.1csp
• Cisco IOS 3.18.1gsp
• Cisco IOS 3.18.1hsp
• Cisco IOS 3.18.1isp
• Cisco IOS 3.18.1s
• Cisco IOS 3.18.1sp
• Cisco IOS 3.18.2asp
• Cisco IOS 3.18.2s
• Cisco IOS 3.18.2sp
• Cisco IOS 3.18.3asp
• Cisco IOS 3.18.3bsp
• Cisco IOS 3.18.3s
• Cisco IOS 3.18.3sp
• Cisco IOS 3.18.4s
• Cisco IOS 3.18.4sp
• Cisco IOS 3.18.5sp
• Cisco IOS 3.18.6sp
• Cisco IOS 3.18.7sp
• Cisco IOS 3.18.8asp
• Cisco IOS 3.18.9sp
• Cisco IOS 3.2.0se
• Cisco IOS 3.2.1se
• Cisco IOS 3.2.2se
• Cisco IOS 3.2.3se
• Cisco IOS 3.3.0SE
• Cisco IOS 3.3.0sg
• Cisco IOS 3.3.0XO
• Cisco IOS 3.3.1SE
• Cisco IOS 3.3.1sg
• Cisco IOS 3.3.1XO
• Cisco IOS 3.3.2SE
• Cisco IOS 3.3.2sg
• Cisco IOS 3.3.2XO
• Cisco IOS 3.3.3SE
• Cisco IOS 3.3.4SE
• Cisco IOS 3.3.5SE
• Cisco IOS 3.4.0sg
• Cisco IOS 3.4.1sg
• Cisco IOS 3.4.2sg
• Cisco IOS 3.4.3sg
• Cisco IOS 3.4.4sg
• Cisco IOS 3.4.5sg
• Cisco IOS 3.4.6sg
• Cisco IOS 3.4.7sg
• Cisco IOS 3.4.8sg
• Cisco IOS 3.5.0E
• Cisco IOS 3.5.1E
• Cisco IOS 3.5.2E
• Cisco IOS 3.5.3E
• Cisco IOS 3.6.0ae
• Cisco IOS 3.6.0be
• Cisco IOS 3.6.0E
• Cisco IOS 3.6.10e
• Cisco IOS 3.6.1E
• Cisco IOS 3.6.2aE
• Cisco IOS 3.6.2E
• Cisco IOS 3.6.3E
• Cisco IOS 3.6.4E
• Cisco IOS 3.6.5ae
• Cisco IOS 3.6.5be
• Cisco IOS 3.6.5e
• Cisco IOS 3.6.6e
• Cisco IOS 3.6.7ae
• Cisco IOS 3.6.7be
• Cisco IOS 3.6.7e
• Cisco IOS 3.6.8e
• Cisco IOS 3.6.9ae
• Cisco IOS 3.6.9e
• Cisco Ios 3.6(2)e
• Cisco IOS 3.7.0bs
• Cisco IOS 3.7.0E
• Cisco IOS 3.7.0s
• Cisco IOS 3.7.0xas
• Cisco IOS 3.7.0xbs
• Cisco IOS 3.7.1as
• Cisco IOS 3.7.1E
• Cisco IOS 3.7.1s
• Cisco IOS 3.7.2E
• Cisco IOS 3.7.2s
• Cisco IOS 3.7.2ts
• Cisco IOS 3.7.3E
• Cisco IOS 3.7.3s
• Cisco IOS 3.7.4as
• Cisco IOS 3.7.4e
• Cisco IOS 3.7.4s
• Cisco IOS 3.7.5e
• Cisco IOS 3.7.5s
• Cisco IOS 3.7.6s
• Cisco IOS 3.7.7s
• Cisco IOS 3.7.8s
• Cisco IOS 3.8.0e
• Cisco IOS 3.8.0s
• Cisco IOS 3.8.10ce
• Cisco IOS 3.8.10e
• Cisco IOS 3.8.1e
• Cisco IOS 3.8.1s
• Cisco IOS 3.8.2e
• Cisco IOS 3.8.2s
• Cisco IOS 3.8.3e
• Cisco IOS 3.8.4e
• Cisco IOS 3.8.5ae
• Cisco IOS 3.8.5e
• Cisco IOS 3.8.6e
• Cisco IOS 3.8.7e
• Cisco IOS 3.8.8e
• Cisco IOS 3.8.9e
• Cisco IOS 3.9.0as
• Cisco IOS 3.9.0e
• Cisco IOS 3.9.0s
• Cisco IOS 3.9.0xas
• Cisco IOS 3.9.1as
• Cisco IOS 3.9.1e
• Cisco IOS 3.9.1s
• Cisco IOS 3.9.2be
• Cisco IOS 3.9.2e
• Cisco IOS 3.9.2s
• Cisco IOS 4.1.1
• Cisco IOS 4.1.2
• Cisco IOS 4.1
• Cisco IOS 5.2.0.base
• Cisco IOS 8.2
• Cisco IOS 8.3
• Cisco IOS 9.0
• Cisco IOS 9.14
• Cisco IOS 9.1
• Cisco IOS (4)ST

Questions to Ask Vendors

1. Can you confirm whether your systems are affected by CVE-1999-1465, and if so, what steps are you currently taking to mitigate this vulnerability?
2. What is your estimated timeline for fully resolving CVE-1999-1465 in your products or services, and how will you communicate updates on this issue to us as your customer?

Recommended Actions

• Check out the advisory links provided below.

References

• https://nvd.nist.gov/vuln/detail/CVE-1999-1465