CVE-2013-6694
The IPSec implementation in Cisco IOS allows remote attackers to cause a denial of service (MTU...
The IPSec implementation in Cisco IOS allows remote attackers to cause a denial of service (MTU change and tunnel-session drop) via crafted ICMP packets, aka Bug ID CSCul29918.
Exploit likelihood
What each source reports
NVD Score used
4.3
The IPSec implementation in Cisco IOS allows remote attackers to cause a denial of service (MTU change and tunnel-session drop) via crafted ICMP packets, aka Bug ID CSCul29918.
- Record
CVE-2013-6694- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
The IPSec implementation in Cisco IOS allows remote attackers to cause a denial of service (MTU change and tunnel-session drop) via crafted ICMP packets, aka Bug ID CSCul29918.
- Record
CVE-2013-6694- Updated
- 2026-11-02
EUVDEUVD-2013-6496 No score
The IPSec implementation in Cisco IOS allows remote attackers to cause a denial of service (MTU change and tunnel-session drop) via crafted ICMP packets, aka Bug ID CSCul29918.
- Record
EUVD-2013-6496- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6x3j-7frx-v679 No score
The IPSec implementation in Cisco IOS allows remote attackers to cause a denial of service (MTU...
The IPSec implementation in Cisco IOS allows remote attackers to cause a denial of service (MTU change and tunnel-session drop) via crafted ICMP packets, aka Bug ID CSCul29918.
- Record
GHSA-6x3j-7frx-v679- 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-2013-6694 is a medium vulnerability (CVSS 4.3) in Cisco Ios, published November 22, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.08%, the 65th percentile. No source names a fixed version.