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CVE-2013-6704

Cisco IOS XE does not properly manage memory for TFTP UDP flows, which allows remote attackers to...

7.1 High

Cisco IOS XE does not properly manage memory for TFTP UDP flows, which allows remote attackers to cause a denial of service (memory consumption) via TFTP (1) client or (2) server traffic, aka Bug IDs CSCuh09324 and CSCty42686.

Exploit likelihood

1.35%Up 0.3 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.1

Cisco IOS XE does not properly manage memory for TFTP UDP flows, which allows remote attackers to cause a denial of service (memory consumption) via TFTP (1) client or (2) server traffic, aka Bug IDs CSCuh09324 and CSCty42686.

Record
CVE-2013-6704
CVSS 2.0
7.1 HighAV:N/AC:M/Au:N/C:N/I:N/A:C
Weakness
CWE-399
Updated
2026-11-02
CVE List No score

Cisco IOS XE does not properly manage memory for TFTP UDP flows, which allows remote attackers to cause a denial of service (memory consumption) via TFTP (1) client or (2) server traffic, aka Bug IDs CSCuh09324 and CSCty42686.

Record
CVE-2013-6704
Updated
2026-11-02
EUVDEUVD-2013-6506 No score

Cisco IOS XE does not properly manage memory for TFTP UDP flows, which allows remote attackers to cause a denial of service (memory consumption) via TFTP (1) client or (2) server traffic, aka Bug IDs CSCuh09324 and CSCty42686.

Record
EUVD-2013-6506
Updated
2026-11-03
GitHub AdvisoriesGHSA-42g2-v9pm-6w57 No score

Cisco IOS XE does not properly manage memory for TFTP UDP flows, which allows remote attackers to...

Cisco IOS XE does not properly manage memory for TFTP UDP flows, which allows remote attackers to cause a denial of service (memory consumption) via TFTP (1) client or (2) server traffic, aka Bug IDs CSCuh09324 and CSCty42686.

Record
GHSA-42g2-v9pm-6w57
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-2013-6704 is a high vulnerability (CVSS 7.1) in Cisco Ios Xe, published December 3, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.35%, the 71st percentile. No source names a fixed version.

References

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