Security readout for executives and security teams
CVE-2002-1816 is a critical memory-safety flaw in ATPhttpd 0.4b and earlier. A remote, unauthenticated attacker could potentially run code on the server by sending an overly long HTTP GET request. Business risk is high only where this obsolete web server is still deployed or embedded. Exposure is most likely in legacy systems, forgotten internet-facing services, appliances, lab environments, or bundled software using ATPhttpd 0.4b or earlier. The source bundle does not provide CPEs, package names, or a confirmed fixed version. Prioritize discovery first. If ATPhttpd 0.4b or earlier is exposed, treat it as urgent because compromise could mean full server control. If no instances are found, residual risk is mainly from unmanaged legacy assets. Mitigation focus: Inventory all web services for ATPhttpd 0.4b or earlier.; Remove or replace ATPhttpd where vendor-supported updates cannot be confirmed.; Check historical vendor or advisory guidance for any fixed release..
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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ATT&CK lookup starting points
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CWE-193: Exact CWE lookup
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Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2002-1816 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Off-by-one Error
Off-by-one Error represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.