CVE-2015-6256 — Cisco ASR 5000 devices with software 19.0.M0.60828 allow remote attackers to cause a denial of service (OSPF process restart) via crafted length fields in headers of OSPF packets, aka Bug ID CSCuv62820

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MEDIUM

Cisco ASR 5000 devices with software 19.0.M0.60828 allow remote attackers to cause a denial of service (OSPF process restart) via crafted length fields in headers of OSPF packets, aka Bug ID CSCuv62820

Published Aug 22, 2015

5.0

MEDIUM

CVSS 2.0

EPSS 1.46%

Description

Cisco ASR 5000 devices with software 19.0.M0.60828 allow remote attackers to cause a denial of service (OSPF process restart) via crafted length fields in headers of OSPF packets, aka Bug ID CSCuv62820.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.46% 0.01456

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

EPSS probability 0.01456

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	1.46% (0.01456)	72.54th	v5 (v2026.06.15)
Jun 15, 2026	1.46% (0.01456)	69.98th	v5 (v2026.06.15)
Mar 17, 2025	0.46% (0.00456)	61.80th	v4 (v2025.03.14)
Dec 12, 2024	0.13% (0.00133)	50.08th	v3 (v2023.03.01)
Jun 14, 2024	0.13% (0.00133)	48.62th	v3 (v2023.03.01)
Mar 7, 2023	0.13% (0.00133)	46.60th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Sep 17, 2022	1.05% (0.01055)	50.47th	v2 (v2022.01.01)
Apr 1, 2022	1.05% (0.01055)	48.43th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)

Weaknesses (1)

CWE-20

Improper Input Validation

References (2)

http://tools.cisco.com/security/center/viewAlert.x?alertId=40585
vendor-advisoryx_refsource_CISCOVendor Advisory
http://www.securitytracker.com/id/1033355
vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry

Link	Providers	Tags
http://tools.cisco.com/security/center/viewAlert.x?alertId=40585		vendor-advisoryx_refsource_CISCOVendor Advisory
http://www.securitytracker.com/id/1033355		vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner cisco

Published Aug 22, 2015

Updated Aug 6, 2024

Reserved Aug 17, 2015

Link CVE-2015-6256

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2015-6256

Red Hat

Severity n/a

Public date n/a

Links CVE-2015-6256