CVE-2009-2871
First published: Mon Sep 28 2009(Updated: )
Unspecified vulnerability in Cisco IOS 12.2 and 12.4, when SSLVPN sessions, SSH sessions, or IKE encrypted nonces are enabled, allows remote attackers to cause a denial of service (device reload) via a crafted encrypted packet, aka Bug ID CSCsq24002.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Puppet Cisco IOS | =12.2xna | |
| Puppet Cisco IOS | =12.2xnb | |
| Puppet Cisco IOS | =12.2xnc | |
| Puppet Cisco IOS | =12.2xnd | |
| Puppet Cisco IOS | =12.4md | |
| Puppet Cisco IOS | =12.4mr | |
| Puppet Cisco IOS | =12.4sw | |
| Puppet Cisco IOS | =12.4t | |
| Puppet Cisco IOS | =12.4xf | |
| Puppet Cisco IOS | =12.4xj | |
| Puppet Cisco IOS | =12.4xk | |
| Puppet Cisco IOS | =12.4xq | |
| Puppet Cisco IOS | =12.4xr | |
| Puppet Cisco IOS | =12.4xv | |
| Puppet Cisco IOS | =12.4xw | |
| Puppet Cisco IOS | =12.4xy | |
| Puppet Cisco IOS | =12.4xz |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2009-2871?
CVE-2009-2871 has a high severity as it allows remote attackers to cause a denial of service through crafted encrypted packets.
How do I fix CVE-2009-2871?
To fix CVE-2009-2871, upgrade to a patched version of Cisco IOS that mitigates this vulnerability.
Which Cisco IOS versions are affected by CVE-2009-2871?
CVE-2009-2871 affects Cisco IOS versions 12.2xnd and 12.4t, including various specific releases under 12.4.
Can CVE-2009-2871 be exploited easily?
Yes, CVE-2009-2871 can potentially be exploited easily by remote attackers with the right crafted packets.
What type of denial of service does CVE-2009-2871 cause?
CVE-2009-2871 can cause a device reload, resulting in a temporary denial of service.
- agent/references
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/last-modified-date
- agent/severity
- agent/author
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-historical
- agent/software-canonical-lookup-request
- collector/nvd-index
- vendor/cisco
- canonical/cisco ios
- version/cisco ios/12.2xnd
- version/cisco ios/12.4t
- version/cisco ios/12.4xq
- version/cisco ios/12.4xj
- version/cisco ios/12.4mr
- version/cisco ios/12.2xna
- version/cisco ios/12.4xf
- version/cisco ios/12.4xv
- version/cisco ios/12.4xw
- version/cisco ios/12.4xz
- version/cisco ios/12.4xk
- version/cisco ios/12.4sw
- version/cisco ios/12.2xnb
- version/cisco ios/12.4md
- version/cisco ios/12.2xnc
- version/cisco ios/12.4xy
- version/cisco ios/12.4xr