Vulnerability Monitor

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CVE-2000-0700

Cisco Gigabit Switch Routers (GSR) with Fast Ethernet / Gigabit Ethernet cards, from IOS versions 11.2(15)GS1A up to 11.2(19)GS0.2 and some versions of 12.0, do not properly handle line card failures, which allows remote attackers to bypass ACLs or force the interface to stop forwarding packets.

Security Impact Summary

CVE-2000-0700 is a security vulnerability that . Impacting 4 products from cisco, from cisco, from cisco and 1 other, organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2000, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2000-10-20T04:00:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

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

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

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	cisco	ios	11.2	Yes
Operating System	cisco	ios	11.2\(8\)	Yes
Operating System	cisco	ios	11.2\(10\)	Yes
Operating System	cisco	ios	11.2p	Yes
Operating System	cisco	ios	11.3	Yes
Operating System	cisco	ios	11.3\(1\)	Yes
Operating System	cisco	ios	12.0	Yes
Operating System	cisco	ios	12.0\(1\)	Yes
Operating System	cisco	ios	12.0\(2\)	Yes
Operating System	cisco	ios	12.0\(3\)	Yes
Operating System	cisco	ios	12.0\(4\)	Yes
Operating System	cisco	ios	12.0\(5\)	Yes
Operating System	cisco	ios	12.0\(6\)	Yes
Operating System	cisco	ios	12.0\(7\)t	Yes
Operating System	cisco	ios	12.1	Yes
Hardware	cisco	gigabit_switch_router_12008	*	Yes
Hardware	cisco	gigabit_switch_router_12012	*	Yes
Hardware	cisco	gigabit_switch_router_12016	*	Yes

References

http://www.cisco.com/warp/public/707/gsraclbypassdos-pub.shtml Patch, Vendor Advisory ([email protected])
http://www.osvdb.org/793 ([email protected])
http://www.osvdb.org/798 ([email protected])
http://www.securityfocus.com/bid/1541 Patch, Vendor Advisory ([email protected])
http://www.cisco.com/warp/public/707/gsraclbypassdos-pub.shtml Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.osvdb.org/793 (af854a3a-2127-422b-91ae-364da2661108)
http://www.osvdb.org/798 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/1541 Patch, Vendor Advisory (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.