What is CVE-2011-3280?

CVE-2011-3280 is a high-severity vulnerability in Cisco iOS, classified under CWE-399. CVSS score: 7.5/10. Published 2011-10-03.

How severe is CVE-2011-3280?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Cisco iOS

CVE-2011-3280

Memory leak in the NAT implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xSG, allows remote attackers to cause a denial of service (memory consumption or device reload) by sending crafted SIP packets to UDP port 5060, aka Bug ID CSCtj04672.

EPSS: 0.018 (76.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Cisco Ios — versions 12.1, 12.1e, 12.2
Cisco Ios_xe — versions 3.1.0sg, 3.1.1sg
N/a — versions n/a

Weakness classification (CWE)

CWE-399

References

psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)
psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2011-3280?: CVE-2011-3280 is a high-severity vulnerability in Cisco iOS, classified under CWE-399. CVSS score: 7.5/10. Published 2011-10-03.
How severe is CVE-2011-3280?: High severity. CVSS v3 base score is 7.5 out of 10.