fkie_cve-1999-1231
Vulnerability from fkie_nvd
Published
1999-06-09 04:00
Modified
2025-04-03 01:03
Severity ?
Summary
ssh 2.0.12, and possibly other versions, allows valid user names to attempt to enter the correct password multiple times, but only prompts an invalid user name for a password once, which allows remote attackers to determine user account names on the server.
References
Impacted products
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:ssh:ssh2:2.0:*:*:*:*:*:*:*",
"matchCriteriaId": "4A7DB2FA-58A8-45B9-AE2E-AE20A872BF90",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:ssh:ssh2:2.0.1:*:*:*:*:*:*:*",
"matchCriteriaId": "2DD92EA8-8C01-4E4E-9AFE-2B1242AB10CE",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:ssh:ssh2:2.0.2:*:*:*:*:*:*:*",
"matchCriteriaId": "6FB31028-59BA-4833-BF14-3CB1CA18DAAC",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:ssh:ssh2:2.0.3:*:*:*:*:*:*:*",
"matchCriteriaId": "8A3E89B6-872D-4541-A413-88A956FDAE81",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:ssh:ssh2:2.0.4:*:*:*:*:*:*:*",
"matchCriteriaId": "98CC86ED-CA78-4E2A-8A12-4F766DB79733",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:ssh:ssh2:2.0.5:*:*:*:*:*:*:*",
"matchCriteriaId": "BD500A33-4D0E-44B5-9BBE-A30AA999F662",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:ssh:ssh2:2.0.6:*:*:*:*:*:*:*",
"matchCriteriaId": "EBB8D72F-51E7-47DF-96A4-4EBB517A79D7",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:ssh:ssh2:2.0.7:*:*:*:*:*:*:*",
"matchCriteriaId": "EC2379BA-621E-4986-AAC5-AF359FD57381",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:ssh:ssh2:2.0.8:*:*:*:*:*:*:*",
"matchCriteriaId": "9972B3A4-369E-40B5-9415-F92B7394604A",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:ssh:ssh2:2.0.9:*:*:*:*:*:*:*",
"matchCriteriaId": "1B6E719F-010B-4B8A-B508-0491BD15C465",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:ssh:ssh2:2.0.10:*:*:*:*:*:*:*",
"matchCriteriaId": "E44D2AE3-DD8B-46D0-B6AB-9F0E6B4DCC4C",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:ssh:ssh2:2.0.11:*:*:*:*:*:*:*",
"matchCriteriaId": "B7735CDD-8BFC-4E30-9C88-27C8943637CA",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:ssh:ssh2:2.0.12:*:*:*:*:*:*:*",
"matchCriteriaId": "A1582187-F4BA-44D6-97F0-E78D814A9E9E",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "ssh 2.0.12, and possibly other versions, allows valid user names to attempt to enter the correct password multiple times, but only prompts an invalid user name for a password once, which allows remote attackers to determine user account names on the server."
}
],
"id": "CVE-1999-1231",
"lastModified": "2025-04-03T01:03:51.193",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "1999-06-09T04:00:00.000",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Patch",
"Vendor Advisory"
],
"url": "http://www.securityfocus.com/archive/1/14758"
},
{
"source": "cve@mitre.org",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/2276"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Patch",
"Vendor Advisory"
],
"url": "http://www.securityfocus.com/archive/1/14758"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/2276"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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