CVE-1999-0775
Cisco Gigabit Switch routers running IOS allow remote attackers to forward unauthorized packets...
CVE-1999-0775 is a high vulnerability (CVSS 10.0) in Cisco Ios, published June 10, 1999. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.19%, the 88th percentile. No source names a fixed version.
- Severity
- 10.0 HighCVSS 2.0, NVD
- Exploit chance
- 3.19%EPSS, 88th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
Cisco Gigabit Switch routers running IOS allow remote attackers to forward unauthorized packets due to improper handling of the "established" keyword in an access list.
Exploit likelihood
Affected products
What each source reports
NVD Score used 10.0
Cisco Gigabit Switch routers running IOS allow remote attackers to forward unauthorized packets due to improper handling of the "established" keyword in an access list.
- Record
CVE-1999-0775- CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE ListNo score
Cisco Gigabit Switch routers running IOS allow remote attackers to forward unauthorized packets due to improper handling of the "established" keyword in an access list.
- Record
CVE-1999-0775- Updated
- 2026-11-02
EUVDEUVD-1999-0756No score
Cisco Gigabit Switch routers running IOS allow remote attackers to forward unauthorized packets due to improper handling of the "established" keyword in an access list.
- Record
EUVD-1999-0756- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vjxr-fvc6-86qwNo score
Cisco Gigabit Switch routers running IOS allow remote attackers to forward unauthorized packets...
Cisco Gigabit Switch routers running IOS allow remote attackers to forward unauthorized packets due to improper handling of the "established" keyword in an access list.
- Record
GHSA-vjxr-fvc6-86qw- Updated
- 2026-11-02
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.