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CVE-2013-6694

The IPSec implementation in Cisco IOS allows remote attackers to cause a denial of service (MTU...

4.3 Medium

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

1.08%Unchanged since Feb 4, 2022
90%50%10%1%

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 MediumAV: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

History
RecordedChangedSources
aliasesEUVD
first indexedCVE 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.

References

MoveEnter Open