Remotely observable behaviour in auth-gss2.c in OpenSSH through 7.8 could be used by remote attackers to detect existence of users on a target system when GSS2 is in use. NOTE: the discoverer states 'We understand that the OpenSSH developers do not want to treat such a username enumeration (or "oracle") as a vulnerability.'
Published 2018-08-28 08:29:00
Updated 2019-03-07 16:29:32
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Information leak

Products affected by CVE-2018-15919

Threat overview for CVE-2018-15919

Top countries where our scanners detected CVE-2018-15919
Top open port discovered on systems with this issue 22
IPs affected by CVE-2018-15919 22,706,877
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2018-15919!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2018-15919

0.29%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 69 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-15919

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:N
10.0
2.9
NIST
5.3
MEDIUM CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
3.9
1.4
NIST

CWE ids for CVE-2018-15919

References for CVE-2018-15919

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