Unspecified vulnerability in the H.323 implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 2.5.x before 2.5.2 a…

published 2010-09-23 16y ago modified 2026-06-16 4mo ago also EUVD-2010-2832

cvss: 7.8; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.8%; EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits: 0; none known

Unspecified vulnerability in the H.323 implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 2.5.x before 2.5.2 and 2.6.x before 2.6.1, allows remote attackers to cause a denial of service (device reload) via crafted H.323 packets, aka Bug ID CSCtc73759.

Patch / fix

links 1

cisco.com/en/US/products/products_security_advisory09186a0080b4a300.… advisory

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Exploit prediction

1.76% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	2.0	7.8	AV:N/AC:L/Au:N/C:N/I:N/A:C

Classification

Technology feeds

Cisco IOS rss critical rss

References

cisco.com /en/US/products/products_security_advisory09186a0080b4a300.shtml
vendor-advisory, patch

Sources

CVE List CVE-2010-2828
NVD CVE-2010-2828

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