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CVE-2007-4291

HIGH · CVSS 7.1EPSS 3.2%EU EUVD

Cisco IOS 12.0 through 12.4 allows remote attackers to cause a denial of service via (1) a malformed MGCP packet, which causes a device hang, aka CSCsf08998; a malformed H.323 packet, which causes a device crash, as identified by (2) CSCsi60004 with Proxy Unregistration and (3) CSCsg70474; and a malformed Real-time Transport Protocol (RTP) packet, which causes a device crash, as identified by (4) CSCse68138, related to VOIP RTP Lib, and (5) CSCse05642, related to I/O memory corruption.

Key facts

CVSS score
7.1 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:C
EPSS score
3.2% (88th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2007-4274)
Published
August 9, 2007
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2007-4274 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • cisco / ios
  • cisco / ios
  • cisco / ios
  • cisco / ios
  • cisco / ios

References

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

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