CVE-2012-4622
Cisco IOS XE 03.02.00.XO.15.0(2)XO on Catalyst 4500E series switches, when a Supervisor Engine 7L-E card is installed, allows remote attackers to cause a denial of service (card reload) via malformed packets that trigger uncorrected ECC error messages,…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.55%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Cisco IOS XE 03.02.00.XO.15.0(2)XO on Catalyst 4500E series switches, when a Supervisor Engine 7L-E card is installed, allows remote attackers to cause a denial of service (card reload) via malformed packets that trigger uncorrected ECC error messages, aka Bug ID CSCty88456.
- CVSS 2.0
- 7.1 HIGHAV:N/AC:M/Au:N/C:N/I:N/A:C
- EPSS
- 1.55% probability · 75th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- cisco/ios xe
- Source
- psirt@cisco.com
EPSS 1.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://osvdb.org/85821
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-eccVendor Advisory
- http://www.securityfocus.com/bid/55701
- http://www.securitytracker.com/id?1027573
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78886
- http://osvdb.org/85821
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-eccVendor Advisory
- http://www.securityfocus.com/bid/55701
- http://www.securitytracker.com/id?1027573
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78886
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.