Security readout for executives and security teams
A vintage flaw in the Simple Network Time Sync (SNTS) daemon lets a remote attacker send an oversized string that crashes the service and, in some cases, could run attacker-chosen commands on the host. Disclosed in June 2000, it targets a niche time-sync daemon rather than mainstream NTP software. Business risk today is minimal unless legacy Unix systems still run this specific daemon on reachable networks. Exposure is limited to legacy Unix hosts still running the SNTS daemon reachable on the network. Not tracked in CISA KEV. Given the daemon's obscurity and the 2000 vintage, the realistic modern install base is negligible; only unmaintained or archival systems are plausibly affected. Low priority. This is a 2000-era flaw in an obscure daemon with no evidence of active exploitation and no known widespread deployment. Address opportunistically as part of legacy Unix decommissioning; no emergency action is warranted based on the cited sources. Mitigation focus: Inventory hosts for any SNTS daemon process and disable it where present.; Replace SNTS with a maintained time source such as a supported NTP or chrony implementation.; Block inbound access to the SNTS service port at network and host firewalls..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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CVE-2000-0493 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- timesync-bo-execute(4602)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
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