Is CVE-2010-4684 being actively exploited?

CVE-2010-4684 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2010-4684?

CVE-2010-4684 has a CVSS 2.0 base score of 7.1 (HIGH).

CVE-2010-4684

HIGH · CVSS 7.1EPSS 2.5%EU EUVD

Cisco IOS before 15.0(1)XA1, when certain TFTP debugging is enabled, allows remote attackers to cause a denial of service (device crash) via a TFTP copy over IPv6, aka Bug ID CSCtb28877.

Key facts

CVSS score: 7.1 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:M/Au:N/C:N/I:N/A:C
Weakness (CWE): CWE-20
EPSS score: 2.5% (85th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2010-4649)
Published: January 7, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2010-4649 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

cisco / ios

References

http://www.cisco.com/en/US/docs/ios/15_0/15_0x/15_01_XA/rn800xa.pdf(Release Notes, Vendor Advisory)
http://www.securityfocus.com/bid/45769(Third Party Advisory, VDB Entry)
https://exchange.xforce.ibmcloud.com/vulnerabilities/64587(Third Party Advisory, VDB Entry)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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