CVE-1999-0628

Status: ModifiedMedium (5)—

The rwho/rwhod service is running, which exposes machine status and user information.

CVSS

Version: 2.0
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N
Base score: 5

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 1.48%
Percentile among all scored CVEs: 73
Score date: 10/8/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (4)

Freebsd — Freebsd IBM — AIX Linux — Linux Kernel Netbsd — Netbsd

CWEs

NVD-CWE-Other

References

Raw JSON (NVD)

Show

{
  "id": "CVE-1999-0628",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "1997-07-01T04:00:00.000",
  "references": [
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0628",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0628",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The rwho/rwhod service is running, which exposes machine status and user information."
    }
  ],
  "lastModified": "2026-06-16T21:48:45.330",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:6.2:stable:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "32FCB0B3-8FBE-49FA-B17E-0D5462C9E5B4"
            },
            {
              "criteria": "cpe:2.3:o:ibm:aix:4.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "05F20EC2-ADE6-4F96-A2E7-1DCCA819D657"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:2.6.20.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1E3313D5-52E8-49B3-B145-170D9A26DA43"
            },
            {
              "criteria": "cpe:2.3:o:netbsd:netbsd:2.0.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "36419DD6-0DB4-4BB6-A35F-D8FDB89402F1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}