Vulnerability Details : CVE-2018-15919
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.'
Vulnerability category: Information leak
Products affected by CVE-2018-15919
- cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:data_ontap_edge:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:ontap_select_deploy:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:cn1610_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:steelstore:-:*:*:*:*:*:*:*
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.
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attack surface intelligence
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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
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-15919
-
http://www.securityfocus.com/bid/105163
OpenSSH CVE-2018-15919 User Enumeration VulnerabilityThird Party Advisory;VDB Entry
-
https://security.netapp.com/advisory/ntap-20181221-0001/
CVE-2018-15919 OpenSSH Vulnerability in NetApp Products | NetApp Product SecurityThird Party Advisory
-
http://seclists.org/oss-sec/2018/q3/180
oss-sec: Another OpenSSH "user enumeration"Mailing List;Patch;Third Party Advisory
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