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CVE Record

CVE-1999-0627: The rexd service is running, which uses weak authentication that can allow an attacker to execute commands.

The rexd service is running, which uses weak authentication that can allow an attacker to execute commands.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This CVE flags systems where the rexd service is running. The service uses weak authentication, which can let an attacker execute commands. The public bundle does not name affected vendors, versions, CVSS severity, or a patch, so urgency depends on whether any environment still exposes rexd.

Executive priority

Prioritize confirming whether rexd exists anywhere in the estate. If found, reduce exposure quickly because the stated impact is command execution, even though source data lacks severity scoring and patch detail.

Technical view

CVE-1999-0627 describes rexd running with weak authentication, creating command execution risk. The source bundle provides no CVSS score, CWE mapping, affected CPEs, vendor/product names, exploit details, or fixed versions. Assessment should focus on identifying live rexd exposure and applying platform-specific vendor guidance.

Likely exposure

Exposure is likely limited to legacy or misconfigured systems where rexd is enabled, especially if reachable from untrusted networks. The bundle lists vendor, product, versions, and CPEs as n/a, so exposure cannot be inferred by product alone.

Exploitation context

The provided bundle does not show active exploitation, and KEV is false. The record states that weak authentication can allow command execution, but it does not provide exploit status, prerequisites, or affected platform scope.

Researcher notes

This is an old CVE with sparse structured data. Treat it as a service-exposure finding, not a product-version advisory. Do not claim affected platforms, exploitation, or fixes without additional vendor evidence.

Mitigation direction

  • Identify and disable rexd where it is not explicitly required.
  • Restrict any required rexd access to trusted management networks.
  • Review vendor or platform guidance for supported removal or replacement.
  • Monitor exposed hosts for unauthorized command execution indicators.

Validation and detection

  • Check asset inventory for hosts with rexd enabled or listening.
  • Confirm network controls block untrusted access to rexd.
  • Verify configuration baselines prohibit rexd unless formally approved.
  • Review relevant logs for unexpected remote execution activity.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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

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CVE-1999-0627 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.