CVE-2006-0486
Certain Cisco IOS releases in 12.2S based trains with maintenance release number 25 and later, 12...
Certain Cisco IOS releases in 12.2S based trains with maintenance release number 25 and later, 12.3T based trains, and 12.4 based trains reuse a Tcl Shell process across login sessions of different local users on the same terminal if the first user does not use tclquit before exiting, which may cause subsequent local users to execute unintended commands or bypass AAA command authorization checks, aka Bug ID CSCef77770.
Exploit likelihood
What each source reports
NVD Score used
Certain Cisco IOS releases in 12.2S based trains with maintenance release number 25 and later, 12.3T based trains, and 12.4 based trains reuse a Tcl Shell process across login sessions of different local users on the same terminal if the first user does not use tclquit before exiting, which may cause subsequent local users to execute unintended commands or bypass AAA command authorization checks, aka Bug ID CSCef77770.
- Record
CVE-2006-0486- CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
Certain Cisco IOS releases in 12.2S based trains with maintenance release number 25 and later, 12.3T based trains, and 12.4 based trains reuse a Tcl Shell process across login sessions of different local users on the same terminal if the first user does not use tclquit before exiting, which may cause subsequent local users to execute unintended commands or bypass AAA command authorization checks, aka Bug ID CSCef77770.
- Record
CVE-2006-0486- Updated
- 2026-11-02
EUVDEUVD-2006-0493 No score
Certain Cisco IOS releases in 12.2S based trains with maintenance release number 25 and later, 12.3T based trains, and 12.4 based trains reuse a Tcl Shell process across login sessions of different local users on the same terminal if the first user does not use tclquit before exiting, which may cause subsequent local users to execute unintended commands or bypass AAA command authorization checks, aka Bug ID CSCef77770.
- Record
EUVD-2006-0493- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2v6g-39cq-jv25 No score
Certain Cisco IOS releases in 12.2S based trains with maintenance release number 25 and later, 12...
Certain Cisco IOS releases in 12.2S based trains with maintenance release number 25 and later, 12.3T based trains, and 12.4 based trains reuse a Tcl Shell process across login sessions of different local users on the same terminal if the first user does not use tclquit before exiting, which may cause subsequent local users to execute unintended commands or bypass AAA command authorization checks, aka Bug ID CSCef77770.
- Record
GHSA-2v6g-39cq-jv25- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2006-0486 is a medium vulnerability (CVSS 4.6) in Cisco Ios, published February 1, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 33rd percentile. No source names a fixed version.
References
securitytracker.com/id?1015543
secunia.com/advisories/18613
cisco.com/warp/public/707/cisco-response-20060125-aaatcl.shtml
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4905
osvdb.org/22723
exchange.xforce.ibmcloud.com/vulnerabilities/24308
nvd.nist.gov/vuln/detail/CVE-2006-0486
github.com/advisories/GHSA-2v6g-39cq-jv25