CVE-2008-3812
Cisco IOS 12.4, when IOS firewall Application Inspection Control (AIC) with HTTP Deep Packet...
Cisco IOS 12.4, when IOS firewall Application Inspection Control (AIC) with HTTP Deep Packet Inspection is enabled, allows remote attackers to cause a denial of service (device reload) via a malformed HTTP transit packet.
Exploit likelihood
What each source reports
NVD Score used
Cisco IOS 12.4, when IOS firewall Application Inspection Control (AIC) with HTTP Deep Packet Inspection is enabled, allows remote attackers to cause a denial of service (device reload) via a malformed HTTP transit packet.
- Record
CVE-2008-3812- CVSS 2.0
- 7.1 High
AV:N/AC:M/Au:N/C:N/I:N/A:C - Updated
- 2026-11-02
CVE List No score
Cisco IOS 12.4, when IOS firewall Application Inspection Control (AIC) with HTTP Deep Packet Inspection is enabled, allows remote attackers to cause a denial of service (device reload) via a malformed HTTP transit packet.
- Record
CVE-2008-3812- Updated
- 2026-11-02
EUVDEUVD-2008-3798 No score
Cisco IOS 12.4, when IOS firewall Application Inspection Control (AIC) with HTTP Deep Packet Inspection is enabled, allows remote attackers to cause a denial of service (device reload) via a malformed HTTP transit packet.
- Record
EUVD-2008-3798- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h94v-hj96-5w55 No score
Cisco IOS 12.4, when IOS firewall Application Inspection Control (AIC) with HTTP Deep Packet...
Cisco IOS 12.4, when IOS firewall Application Inspection Control (AIC) with HTTP Deep Packet Inspection is enabled, allows remote attackers to cause a denial of service (device reload) via a malformed HTTP transit packet.
- Record
GHSA-h94v-hj96-5w55- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2008-3812 is a high vulnerability (CVSS 7.1) in Cisco Ios, published September 26, 2008. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.78%, the 86th percentile. No source names a fixed version.
References
secunia.com/advisories/31990
securitytracker.com/id?1020929
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5302
cisco.com/en/US/products/products_security_advisory09186a0080a01545.shtml
tools.cisco.com/security/center/viewAlert.x?alertId=16661
vupen.com/english/advisories/2008/2670
securityfocus.com/bid/31354
nvd.nist.gov/vuln/detail/CVE-2008-3812
github.com/advisories/GHSA-h94v-hj96-5w55