Vulnerability Monitor

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CVE-2015-0695

Cisco IOS XR 4.3.4 through 5.3.0 on ASR 9000 devices, when uRPF, PBR, QoS, or an ACL is configured, does not properly handle bridge-group virtual interface (BVI) traffic, which allows remote attackers to cause a denial of service (chip and card hangs and reloads) by triggering use of a BVI interface for IPv4 packets, aka Bug ID CSCur62957.

Security Impact Summary

CVE-2015-0695 is a security vulnerability that . Impacting 7 products from cisco, from cisco, from cisco and 4 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2015, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2015-04-17T01:59:26.263

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.8 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

6.9

Weaknesses

Type: Primary
CWE-19
CWE-399

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	cisco	ios_xr	4.3.0	Yes
Operating System	cisco	ios_xr	4.3.1	Yes
Operating System	cisco	ios_xr	4.3.2	Yes
Operating System	cisco	ios_xr	4.3.3	Yes
Operating System	cisco	ios_xr	5.1.0	Yes
Operating System	cisco	ios_xr	5.1.1	Yes
Operating System	cisco	ios_xr	5.1.2	Yes
Operating System	cisco	ios_xr	5.2.0	Yes
Operating System	cisco	ios_xr	5.2.1	Yes
Hardware	cisco	asr_9001	-	No
Hardware	cisco	asr_9006	-	No
Hardware	cisco	asr_9010	-	No
Hardware	cisco	asr_9904	-	No
Hardware	cisco	asr_9912	-	No
Hardware	cisco	asr_9922	-	No

References

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150415-iosxr Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/74162 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1032139 Third Party Advisory, VDB Entry ([email protected])
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150415-iosxr Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/74162 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1032139 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For cisco's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.