8.6
High
CVE-2024-20436 A vulnerability in the HTTP Server feature of Cisco IOS XE Software when the Telephony Service feature is enabled…
Description
A vulnerability in the HTTP Server feature of Cisco IOS XE Software when the Telephony Service feature is enabled could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to a null pointer dereference when accessing specific URLs. An attacker could exploit this vulnerability by sending crafted HTTP traffic to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, causing a DoS condition on the affected device.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco IOS XE Software 17.12 | 17.12.1a → 17.12.1 | No fix stated |
| Cisco IOS XE Software 17.11 | 17.11.1a → 17.11.1 | No fix stated |
| Cisco IOS XE Software 17.10 | 17.10.1a → 17.10.1 | No fix stated |
| Cisco IOS XE Software 17.9 | 17.9.1a → 17.9.4 | No fix stated |
| Cisco IOS XE Software 17.8 | 17.8.1a → 17.8.1 | No fix stated |
| Cisco IOS XE Software 17.7 | 17.7.1a → 17.7.2 | No fix stated |
| Cisco IOS XE Software 17.6 | 17.6.1a → 17.6.6 | No fix stated |
| Cisco IOS XE Software 17.5 | 17.5.1a → 17.5.1 | No fix stated |
| Cisco IOS XE Software 17.4 | 17.4.1a → 17.4.2 | No fix stated |
Show the 57 other branches Hide the 57 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco IOS XE Software 17.3 | 17.3.1a → 17.3.8 | No fix stated |
| Cisco IOS XE Software 17.2 | 17.2.1r → 17.2.3 | No fix stated |
| Cisco IOS XE Software 17.1 | 17.1.1s → 17.1.3 | No fix stated |
| Cisco IOS XE Software 16.12 | 16.12.1s → 16.12.8 | No fix stated |
| Cisco IOS XE Software 16.11 | 16.11.1s → 16.11.2 | No fix stated |
| Cisco IOS XE Software 16.10 | 16.10.1s → 16.10.3 | No fix stated |
| Cisco IOS XE Software 16.9 | 16.9.1s → 16.9.8 | No fix stated |
| Cisco IOS XE Software 16.8 | 16.8.1s → 16.8.3 | No fix stated |
| Cisco IOS XE Software 16.7 | 16.7.1 → 16.7.3 | No fix stated |
| Cisco IOS XE Software 16.6 | 16.6.1 → 16.6.10 | No fix stated |
| Cisco IOS XE Software 16.5 | 16.5.1b → 16.5.3 | No fix stated |
| Cisco IOS XE Software 16.4 | 16.4.1 → 16.4.3 | No fix stated |
| Cisco IOS XE Software 16.3 | 16.3.1a → 16.3.11 | No fix stated |
| Cisco IOS XE Software 16.2 | 16.2.1 → 16.2.2 | No fix stated |
| Cisco IOS XE Software | 3.18.2aSP | No fix stated |
| Cisco IOS XE Software 3.17 | 3.17.0S → 3.17.4S | No fix stated |
| Cisco IOS XE Software 3.16 | 3.16.0S → 3.16.10S | No fix stated |
| Cisco IOS XE Software 3.15 | 3.15.0S → 3.15.4S | No fix stated |
| Cisco IOS XE Software 3.14 | 3.14.0S → 3.14.4S | No fix stated |
| Cisco IOS XE Software 3.13 | 3.13.0S → 3.13.10S | No fix stated |
| Cisco IOS XE Software 3.12 | 3.12.0S → 3.12.4S | No fix stated |
| Cisco IOS XE Software 3.11 | 3.11.0S → 3.11.4S | No fix stated |
| Cisco IOS XE Software 3.10 | 3.10.0S → 3.10.10S | No fix stated |
| Cisco IOS XE Software 3.9 | 3.9.0aS → 3.9.2S | No fix stated |
| ios_xe 17.12 | 17.12.1a → 17.12.1 | No fix stated |
| ios_xe 17.11 | 17.11.1a → 17.11.1 | No fix stated |
| ios_xe 17.10 | 17.10.1a → 17.10.1 | No fix stated |
| ios_xe 17.9 | 17.9.1a → 17.9.4 | No fix stated |
| ios_xe 17.8 | 17.8.1a → 17.8.1 | No fix stated |
| ios_xe 17.7 | 17.7.1a → 17.7.2 | No fix stated |
| ios_xe 17.6 | 17.6.1a → 17.6.6 | No fix stated |
| ios_xe 17.5 | 17.5.1a → 17.5.1 | No fix stated |
| ios_xe 17.4 | 17.4.1a → 17.4.2 | No fix stated |
| ios_xe 17.3 | 17.3.1a → 17.3.8 | No fix stated |
| ios_xe 17.2 | 17.2.1r → 17.2.3 | No fix stated |
| ios_xe 17.1 | 17.1.1s → 17.1.3 | No fix stated |
| ios_xe 16.12 | 16.12.1s → 16.12.8 | No fix stated |
| ios_xe 16.11 | 16.11.1s → 16.11.2 | No fix stated |
| ios_xe 16.10 | 16.10.1s → 16.10.3 | No fix stated |
| ios_xe 16.9 | 16.9.1s → 16.9.8 | No fix stated |
| ios_xe 16.8 | 16.8.1s → 16.8.3 | No fix stated |
| ios_xe 16.7 | 16.7.1 → 16.7.3 | No fix stated |
| ios_xe 16.6 | 16.6.1 → 16.6.10 | No fix stated |
| ios_xe 16.5 | 16.5.1b → 16.5.3 | No fix stated |
| ios_xe 16.4 | 16.4.1 → 16.4.3 | No fix stated |
| ios_xe 16.3 | 16.3.1a → 16.3.11 | No fix stated |
| ios_xe 16.2 | 16.2.1 → 16.2.2 | No fix stated |
| ios_xe | 3.18.2asp | No fix stated |
| ios_xe 3.17 | 3.17.0s → 3.17.4s | No fix stated |
| ios_xe 3.16 | 3.16.0s → 3.16.10s | No fix stated |
| ios_xe 3.15 | 3.15.0s → 3.15.4s | No fix stated |
| ios_xe 3.14 | 3.14.0s → 3.14.4s | No fix stated |
| ios_xe 3.13 | 3.13.0s → 3.13.10s | No fix stated |
| ios_xe 3.12 | 3.12.0s → 3.12.4s | No fix stated |
| ios_xe 3.11 | 3.11.0s → 3.11.4s | No fix stated |
| ios_xe 3.10 | 3.10.0s → 3.10.10s | No fix stated |
| ios_xe 3.9 | 3.9.0as → 3.9.2s | No fix stated |
References
- cisco-sa-httpsrvr-dos-yOZThut sec.cloudapps.cisco.com
Timeline
- Published
- Last modified
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