Cisco CatOS 5.x before 5.5(20) through 8.x before 8.2(2) and 8.3(2)GLX, as used in Catalyst switches, allows remote attackers to cause a denial of service (system crash and reload) by sending invalid packets instead of the final ACK portion of the three-way handshake to the (1) Telnet, (2) HTTP, or (3) SSH services, aka TCP-ACK DoS attack.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Catos | Cisco | 5.5(12a) | 5.5(12a) |
| Catos | Cisco | 7.4(0.2)clr | 7.4(0.2)clr |
| Catos | Cisco | 5.5(16) | 5.5(16) |
| Catos | Cisco | 4.5(12a) | 4.5(12a) |
| Catos | Cisco | 5.5(13.5) | 5.5(13.5) |
| Catos | Cisco | 2.1(2) | 2.1(2) |
| Catos | Cisco | 8.1(3) | 8.1(3) |
| Catos | Cisco | 6.4(1) | 6.4(1) |
| Catos | Cisco | 7.6(4) | 7.6(4) |
| Catos | Cisco | 4.5(11) | 4.5(11) |
| Catos | Cisco | 6.4(5) | 6.4(5) |
| Catos | Cisco | 5.5(10a) | 5.5(10a) |
| Catos | Cisco | 5.4(4) | 5.4(4) |
| Catos | Cisco | 5.5(4) | 5.5(4) |
| Catos | Cisco | 5.5(13) | 5.5(13) |
| Catos | Cisco | 7.4(3) | 7.4(3) |
| Catos | Cisco | 7.1(2) | 7.1(2) |
| Catos | Cisco | 6.4(8) | 6.4(8) |
| Catos | Cisco | 2.1(7) | 2.1(7) |
| Catos | Cisco | 2.1(6) | 2.1(6) |
| Catos | Cisco | 6.1(1d) | 6.1(1d) |
| Catos | Cisco | 4.5(3) | 4.5(3) |
| Catos | Cisco | 6.3(9) | 6.3(9) |
| Catos | Cisco | 6.2(3a) | 6.2(3a) |
| Catos | Cisco | 6.2(2) | 6.2(2) |
| Catos | Cisco | 2.1(8) | 2.1(8) |
| Catos | Cisco | 6.3(5) | 6.3(5) |
| Catos | Cisco | 7.6(3) | 7.6(3) |
| Catos | Cisco | 3.2(1) | 3.2(1) |
| Catos | Cisco | 2.4(5) | 2.4(5) |
| Catos | Cisco | 5.1(2a) | 5.1(2a) |
| Catos | Cisco | 5.4(1) | 5.4(1) |
| Catos | Cisco | 6.3(3) | 6.3(3) |
| Catos | Cisco | 2.1(12) | 2.1(12) |
| Catos | Cisco | 5.5 | 5.5 |
| Catos | Cisco | 6.3(3a) | 6.3(3a) |
| Catos | Cisco | 7.2(2) | 7.2(2) |
| Catos | Cisco | 6.1(2a) | 6.1(2a) |
| Catos | Cisco | 6.3(5.10) | 6.3(5.10) |
| Catos | Cisco | 6.1(1) | 6.1(1) |
| Catos | Cisco | 5.2(2)csx | 5.2(2)csx |
| Catos | Cisco | 5.5(1) | 5.5(1) |
| Catos | Cisco | 6.1(2) | 6.1(2) |
| Catos | Cisco | 7.4 | 7.4 |
| Catos | Cisco | 4.5(9) | 4.5(9) |
| Catos | Cisco | 5.2(1)csx | 5.2(1)csx |
| Catos | Cisco | 7.1(1a) | 7.1(1a) |
| Catos | Cisco | 5.1(1a) | 5.1(1a) |
| Catos | Cisco | 4.5(13) | 4.5(13) |
| Catos | Cisco | 6.1(1b) | 6.1(1b) |
| Catos | Cisco | 6.4(4a) | 6.4(4a) |
| Catos | Cisco | 3.0(7) | 3.0(7) |
| Catos | Cisco | 2.1(4) | 2.1(4) |
| Catos | Cisco | 4.2(1) | 4.2(1) |
| Catos | Cisco | 7.6 | 7.6 |
| Catos | Cisco | 3.2(2) | 3.2(2) |
| Catos | Cisco | 5.1(2b) | 5.1(2b) |
| Catos | Cisco | 6.1(1a) | 6.1(1a) |
| Catos | Cisco | 6.4(6) | 6.4(6) |
| Catos | Cisco | 7.4(1) | 7.4(1) |
| Catos | Cisco | 5.5(4b) | 5.5(4b) |
| Catos | Cisco | 6.2(2a) | 6.2(2a) |
| Catos | Cisco | 7.3(1) | 7.3(1) |
| Catos | Cisco | 4.5(10) | 4.5(10) |
| Catos | Cisco | 6.3(10) | 6.3(10) |
| Catos | Cisco | 5.3(5)csx | 5.3(5)csx |
| Catos | Cisco | 5.5(8a)cv | 5.5(8a)cv |
| Catos | Cisco | 7.3 | 7.3 |
| Catos | Cisco | 5.5(6a) | 5.5(6a) |
| Catos | Cisco | 8.3(1)glx | 8.3(1)glx |
| Catos | Cisco | 5.5(12) | 5.5(12) |
| Catos | Cisco | 5.3(1a)csx | 5.3(1a)csx |
| Catos | Cisco | 4.5(6a) | 4.5(6a) |
| Catos | Cisco | 5.5(19) | 5.5(19) |
| Catos | Cisco | 8.1 | 8.1 |
| Catos | Cisco | 6.3(8.3) | 6.3(8.3) |
| Catos | Cisco | 8.1(2) | 8.1(2) |
| Catos | Cisco | 6.2(1) | 6.2(1) |
| Catos | Cisco | 6.1(4b) | 6.1(4b) |
| Catos | Cisco | 5.3(2)csx | 5.3(2)csx |
| Catos | Cisco | 5.2(3) | 5.2(3) |
| Catos | Cisco | 7.5 | 7.5 |
| Catos | Cisco | 5.3(4)csx | 5.3(4)csx |
| Catos | Cisco | 5.2(4) | 5.2(4) |
| Catos | Cisco | 5.5(8a) | 5.5(8a) |
| Catos | Cisco | 6.1(1e) | 6.1(1e) |
| Catos | Cisco | 8.2 | 8.2 |
| Catos | Cisco | 8.2(1) | 8.2(1) |
| Catos | Cisco | 7.3(2) | 7.3(2) |
| Catos | Cisco | 3.2(1b) | 3.2(1b) |
| Catos | Cisco | 6.3(7) | 6.3(7) |
| Catos | Cisco | 3.2(7) | 3.2(7) |
| Catos | Cisco | 2.1(3) | 2.1(3) |
| Catos | Cisco | 5.2(3a)csx | 5.2(3a)csx |
| Catos | Cisco | 2.1(1) | 2.1(1) |
| Catos | Cisco | 6.3(1) | 6.3(1) |
| Catos | Cisco | 5.5(4a) | 5.5(4a) |
| Catos | Cisco | 7.5(1) | 7.5(1) |
| Catos | Cisco | 4.5(5) | 4.5(5) |
| Catos | Cisco | 5.5(18) | 5.5(18) |
| Catos | Cisco | 5.4(3) | 5.4(3) |
| Catos | Cisco | 2.1(5) | 2.1(5) |
| Catos | Cisco | 6.1 | 6.1 |
| Catos | Cisco | 3.1(2a) | 3.1(2a) |
| Catos | Cisco | 5.1(1) | 5.1(1) |
| Catos | Cisco | 5.1(1)csx | 5.1(1)csx |
| Catos | Cisco | 6.3(3)x | 6.3(3)x |
| Catos | Cisco | 5.2(6) | 5.2(6) |
| Catos | Cisco | 6.3(1a) | 6.3(1a) |
| Catos | Cisco | 6.2(1a) | 6.2(1a) |
| Catos | Cisco | 7.2(0.65) | 7.2(0.65) |
| Catos | Cisco | 6.3(2a) | 6.3(2a) |
| Catos | Cisco | 4.3(1a) | 4.3(1a) |
| Catos | Cisco | 2.2(2) | 2.2(2) |
| Catos | Cisco | 2.1(11) | 2.1(11) |
| Catos | Cisco | 5.1(1a)csx | 5.1(1a)csx |
| Catos | Cisco | 6.3(8) | 6.3(8) |
| Catos | Cisco | 2.4(2) | 2.4(2) |
| Catos | Cisco | 2.4(5a) | 2.4(5a) |
| Catos | Cisco | 5.2(3)csx | 5.2(3)csx |
| Catos | Cisco | 4.5(2) | 4.5(2) |
| Catos | Cisco | 7.6(5) | 7.6(5) |
| Catos | Cisco | 7.1(1) | 7.1(1) |
| Catos | Cisco | 3.2(6) | 3.2(6) |
| Catos | Cisco | 5.5(10) | 5.5(10) |
| Catos | Cisco | 6.3(2) | 6.3(2) |
| Catos | Cisco | 6.2(3) | 6.2(3) |
| Catos | Cisco | 7.4(0.63) | 7.4(0.63) |
| Catos | Cisco | 4.5(8) | 4.5(8) |
| Catos | Cisco | 6.3(4) | 6.3(4) |
| Catos | Cisco | 5.5(13a) | 5.5(13a) |
| Catos | Cisco | 6.3(4a) | 6.3(4a) |
| Catos | Cisco | 4.4(1) | 4.4(1) |
| Catos | Cisco | 5.5(3) | 5.5(3) |
| Catos | Cisco | 7.6(2) | 7.6(2) |
| Catos | Cisco | 2.4(3) | 2.4(3) |
| Catos | Cisco | 6.4(7) | 6.4(7) |
| Catos | Cisco | 5.5(5) | 5.5(5) |
| Catos | Cisco | 3.2(3) | 3.2(3) |
| Catos | Cisco | 8.3glx | 8.3glx |
| Catos | Cisco | 5.3(3)csx | 5.3(3)csx |
| Catos | Cisco | 5.4 | 5.4 |
| Catos | Cisco | 4.1(1) | 4.1(1) |
| Catos | Cisco | 4.5(14) | 4.5(14) |
| Catos | Cisco | 5.4(2a) | 5.4(2a) |
| Catos | Cisco | 5.3(6)csx | 5.3(6)csx |
| Catos | Cisco | 5.4(2) | 5.4(2) |
| Catos | Cisco | 6.3(6) | 6.3(6) |
| Catos | Cisco | 5.2(5) | 5.2(5) |
| Catos | Cisco | 2.4(4) | 2.4(4) |
| Catos | Cisco | 7.2(1) | 7.2(1) |
| Catos | Cisco | 5.5(6) | 5.5(6) |
| Catos | Cisco | 5.5(17) | 5.5(17) |
| Catos | Cisco | 6.4(2) | 6.4(2) |
| Catos | Cisco | 5.5(2) | 5.5(2) |
| Catos | Cisco | 4.1(2) | 4.1(2) |
| Catos | Cisco | 5.5(15) | 5.5(15) |
| Catos | Cisco | 3.1(2) | 3.1(2) |
| Catos | Cisco | 5.5(11a) | 5.5(11a) |
| Catos | Cisco | 3.2(4) | 3.2(4) |
| Catos | Cisco | 7.1(2a) | 7.1(2a) |
| Catos | Cisco | 5.2(7a) | 5.2(7a) |
| Catos | Cisco | 4.5(13a) | 4.5(13a) |
| Catos | Cisco | 5.2(7) | 5.2(7) |
| Catos | Cisco | 5.5(7) | 5.5(7) |
| Catos | Cisco | 3.1(1) | 3.1(1) |
| Catos | Cisco | 5.3(6a)csx | 5.3(6a)csx |
| Catos | Cisco | 5.2(2) | 5.2(2) |
| Catos | Cisco | 2.1(10) | 2.1(10) |
| Catos | Cisco | 3.2(8)gdr | 3.2(8)gdr |
| Catos | Cisco | 5.5(16.2) | 5.5(16.2) |
| Catos | Cisco | 2.2(1) | 2.2(1) |
| Catos | Cisco | 5.3(5a)csx | 5.3(5a)csx |
| Catos | Cisco | 6.3(3)x1 | 6.3(3)x1 |
| Catos | Cisco | 5.4(1)deferred | 5.4(1)deferred |
| Catos | Cisco | 6.1(4) | 6.1(4) |
| Catos | Cisco | 6.1(3a) | 6.1(3a) |
| Catos | Cisco | 4.5(12) | 4.5(12) |
| Catos | Cisco | 4.2(2) | 4.2(2) |
| Catos | Cisco | 7.4(2) | 7.4(2) |
| Catos | Cisco | 5.5(7a) | 5.5(7a) |
| Catos | Cisco | 5.5(8) | 5.5(8) |
| Catos | Cisco | 5.2(1) | 5.2(1) |
| Catos | Cisco | 6.4(3) | 6.4(3) |
| Catos | Cisco | 2.1(9) | 2.1(9) |
| Catos | Cisco | 5.5(9) | 5.5(9) |
| Catos | Cisco | 3.2(5) | 3.2(5) |
| Catos | Cisco | 5.4(4a) | 5.4(4a) |
| Catos | Cisco | 4.5(7) | 4.5(7) |
| Catos | Cisco | 2.4(1) | 2.4(1) |
| Catos | Cisco | 5.5(1a) | 5.5(1a) |
| Catos | Cisco | 5.5(14) | 5.5(14) |
| Catos | Cisco | 4.5(6) | 4.5(6) |
| Catos | Cisco | 6.1(1c) | 6.1(1c) |
| Catos | Cisco | 5.5(11) | 5.5(11) |
| Catos | Cisco | 4.1(3) | 4.1(3) |
| Catos | Cisco | 6.1(3) | 6.1(3) |
| Catos | Cisco | 4.5(4) | 4.5(4) |
| Catos | Cisco | 7.6(1) | 7.6(1) |
| Catos | Cisco | 4.5(1) | 4.5(1) |
| Catos | Cisco | 2.3(1) | 2.3(1) |