CVE-2013-6704
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.
Exploit likelihood
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 High
AV: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
| 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-2013-6704 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.