CVE-2017-7999

Atlassian Eucalyptus before 4.4.1, when in EDGE mode, allows remote authenticated users with certain privileges to cause a denial of service (E2 service outage) via unspecified vectors.

Published: 2017-06-01 Last update: 2026-05-13 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-7999 is rated Moderate Risk (47.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.48%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2017-7999

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 0.70% 0.48% -0.22%
2 2025-03-29 0.48% 0.70% +0.22%
3 2025-03-17 — 0.48% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-7999

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 3.6 [email protected]
3.5 2.0 LOW
AV:N/AC:M/Au:S/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 6.8 2.9 [email protected]

Weakness enumeration for CVE-2017-7999

Affected software / configurations for CVE-2017-7999

Vendor Product Version Raw CPE
eucalyptus eucalyptus 4.2.0 cpe:2.3:a:eucalyptus:eucalyptus:4.2.0:*:*:*:*:*:*:*
eucalyptus eucalyptus 4.2.1 cpe:2.3:a:eucalyptus:eucalyptus:4.2.1:*:*:*:*:*:*:*
eucalyptus eucalyptus 4.2.2 cpe:2.3:a:eucalyptus:eucalyptus:4.2.2:*:*:*:*:*:*:*
eucalyptus eucalyptus 4.3.0 cpe:2.3:a:eucalyptus:eucalyptus:4.3.0:*:*:*:*:*:*:*
eucalyptus eucalyptus 4.3.1 cpe:2.3:a:eucalyptus:eucalyptus:4.3.1:*:*:*:*:*:*:*
eucalyptus eucalyptus 4.4.0 cpe:2.3:a:eucalyptus:eucalyptus:4.4.0:*:*:*:*:*:*:*

References for CVE-2017-7999

cvelogic Threat Intelligence