Vulnerability in Cisco Asr 1001

CVE-2015-6271

Cisco IOS XE 2.1.0 through 2.4.3 and 2.5.0 on ASR 1000 devices, when NAT Application Layer Gateway is used, allows remote attackers to cause a denial of service (Embedded Services Processor crash) via a crafted SIP packet, aka Bug IDs CSCta74749 and CSCta77008.

Published · last modified .

CVSS v2 metric

CVSS v2 base score 7.8 (High). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.020 (79.9th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2015-6271: held from 0.020 to 0.020.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2015-6271?
CVE-2015-6271 is a vulnerability in Cisco Asr 1001, classified under CWE-399. Published 2015-08-31.
Is CVE-2015-6271 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.