Security readout for executives and security teams
A very old flaw in the ICQ Web Front guestbook lets a remote attacker crash the service by sending a web request with an oversized name value. It only causes a denial of service, not data theft or takeover. The affected software is a legacy consumer chat add-on from around 2000 and is not expected in modern business environments. Exposure today is minimal. ICQ Web Front was a personal Windows utility from the late 1990s, is not part of modern ICQ or Mirabilis offerings, and is unlikely to be present on managed enterprise systems. Any residual exposure would be legacy end-user hosts running the original client with the built-in web service enabled and reachable from a network. Very low priority. This is a 25-year-old denial-of-service issue in a discontinued consumer chat add-on. It does not enable data loss or system takeover, and it is unlikely to appear on a modern corporate estate. Handle through routine legacy software cleanup rather than as an urgent patch cycle item. Mitigation focus: Disable the ICQ Web Front / built-in web service on any legacy ICQ client where it is enabled.; Uninstall or retire ICQ 2000a, 99b, and related legacy clients from managed endpoints.; Block inbound access to the ICQ Web Front listening port at the host and network firewall..
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2000-0564 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
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
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.