Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2004-0657

Integer overflow in the NTP daemon (NTPd) before 4.0 causes the NTP server to return the wrong date/time offset when a client requests a date/time that is more than 34 years away from the server's time.

Security Impact Summary

CVE-2004-0657 is a security vulnerability that . Impacting 2 products from ntp, from hp organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2004, 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

2004-08-06T04:00:00.000

Last Modified

2026-06-16T22:06:06.383

Status

Modified

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

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

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

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-190

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	ntp	ntp	< 4.0	Yes
Operating System	hp	tru64_unix	4.0f	Yes
Operating System	hp	tru64_unix	4.0g	Yes
Operating System	hp	tru64_unix	5.1b	Yes
Operating System	hp	tru64_unix	5.1b	Yes
Operating System	hp	tru64_unix	5.1b	Yes
Operating System	hp	tru64_unix	51.1a	Yes

References

http://marc.info/?l=bugtraq&m=108922292425219&w=2 Mailing List, Third Party Advisory ([email protected])
http://www.kb.cert.org/vuls/id/584606 Patch, Third Party Advisory, US Government Resource ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/15406 Third Party Advisory, VDB Entry ([email protected])
http://marc.info/?l=bugtraq&m=108922292425219&w=2 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kb.cert.org/vuls/id/584606 Patch, Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/15406 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 ntp'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.