CVE-2015-4204 — Memory leak in Cisco IOS 12.2 in the Performance Routing Engine (PRE) module on uBR10000 devices allows remote authenticated users to cause a denial of service (memory consumption or PXF process crash) by sending docsIfMCmtsMib SNMP requests quickly, aka Bug ID CSCue65051

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MEDIUM

Memory leak in Cisco IOS 12.2 in the Performance Routing Engine (PRE) module on uBR10000 devices allows remote authenticated users to cause a denial of service (memory consumption or PXF process crash) by sending docsIfMCmtsMib SNMP requests quickly, aka Bug ID CSCue65051

Published Jun 23, 2015

6.8

MEDIUM

CVSS 2.0

EPSS 2.74%

Description

Memory leak in Cisco IOS 12.2 in the Performance Routing Engine (PRE) module on uBR10000 devices allows remote authenticated users to cause a denial of service (memory consumption or PXF process crash) by sending docsIfMCmtsMib SNMP requests quickly, aka Bug ID CSCue65051.

Affected products

Remediation

No remediation recorded yet.

Metrics

2.74% 0.02744

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.02744

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	2.74% (0.02744)	85.65th	v5 (v2026.06.15)
Jun 15, 2026	2.74% (0.02744)	84.20th	v5 (v2026.06.15)
Mar 17, 2025	0.83% (0.00830)	72.89th	v4 (v2025.03.14)
Dec 12, 2024	0.14% (0.00142)	51.53th	v3 (v2023.03.01)
Jun 20, 2024	0.14% (0.00142)	50.23th	v3 (v2023.03.01)
Mar 7, 2023	0.14% (0.00142)	48.22th	v3 (v2023.03.01)
Mar 6, 2023	1.06% (0.01061)	52.82th	v2 (v2022.01.01)
Sep 19, 2022	1.06% (0.01061)	51.19th	v2 (v2022.01.01)
Apr 1, 2022	1.06% (0.01061)	49.19th	v2 (v2022.01.01)
Feb 4, 2022	1.06% (0.01061)	28.23th	v2 (v2022.01.01)

Weaknesses (1)

CWE-399

References (3)

http://tools.cisco.com/security/center/viewAlert.x?alertId=39440
vendor-advisoryx_refsource_CISCOVendor Advisory
http://www.securityfocus.com/bid/75337
vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1032692
vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry

Link	Providers	Tags
http://tools.cisco.com/security/center/viewAlert.x?alertId=39440		vendor-advisoryx_refsource_CISCOVendor Advisory
http://www.securityfocus.com/bid/75337		vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1032692		vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner cisco

Published Jun 23, 2015

Updated Aug 6, 2024

Reserved Jun 4, 2015

Link CVE-2015-4204

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2015-4204

Red Hat

Severity n/a

Public date n/a

Links CVE-2015-4204