Vulnerability Monitor

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CVE-2001-1244

Multiple TCP implementations could allow remote attackers to cause a denial of service (bandwidth and CPU exhaustion) by setting the maximum segment size (MSS) to a very small number and requesting large amounts of data, which generates more packets with less TCP-level data that amplify network traffic and consume more server CPU to process.

Security Impact Summary

CVE-2001-1244 is a security vulnerability that . Impacting 9 products from freebsd, from hp, from hp and 6 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2001, 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

2001-07-07T04:00:00.000

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	freebsd	freebsd	4.3	Yes
Operating System	hp	hp-ux	11.00	Yes
Operating System	hp	hp-ux	11.0.4	Yes
Operating System	hp	hp-ux	11.11	Yes
Operating System	hp	vvos	11.04	Yes
Operating System	linux	linux_kernel	2.4.0	Yes
Operating System	linux	linux_kernel	2.4.1	Yes
Operating System	linux	linux_kernel	2.4.2	Yes
Operating System	linux	linux_kernel	2.4.3	Yes
Operating System	linux	linux_kernel	2.4.4	Yes
Operating System	linux	linux_kernel	2.4.5	Yes
Operating System	microsoft	windows_2000	*	Yes
Operating System	microsoft	windows_2000	*	Yes
Operating System	microsoft	windows_2000	*	Yes
Operating System	microsoft	windows_nt	4.0	Yes
Operating System	microsoft	windows_nt	4.0	Yes
Operating System	microsoft	windows_nt	4.0	Yes
Operating System	microsoft	windows_nt	4.0	Yes
Operating System	microsoft	windows_nt	4.0	Yes
Operating System	microsoft	windows_nt	4.0	Yes
Operating System	microsoft	windows_nt	4.0	Yes
Operating System	microsoft	windows_nt	4.0	Yes
Operating System	netbsd	netbsd	1.5	Yes
Operating System	netbsd	netbsd	1.5.1	Yes
Operating System	openbsd	openbsd	2.8	Yes
Operating System	openbsd	openbsd	2.9	Yes
Operating System	sun	sunos	5.5.1	Yes
Operating System	sun	sunos	5.7	Yes
Operating System	sun	sunos	5.8	Yes

References

http://www.securityfocus.com/archive/1/195457 ([email protected])
http://www.securityfocus.com/bid/2997 Exploit, Vendor Advisory ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/6824 ([email protected])
http://www.securityfocus.com/archive/1/195457 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/2997 Exploit, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/6824 (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 freebsd'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.