CVE-2015-8749

The volume_utils._parse_volume_info function in OpenStack Compute (Nova) before 2015.1.3 (kilo) and 12.0.x before 12.0.1 (liberty) includes the connection_info dictionary in the StorageError message when using the Xen backend, which might allow attackers to obtain sensitive password information by reading log files or other unspecified vectors.

Published: 2016-01-15 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-8749 is rated Moderate Risk (53/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.22%). EPSS rose +1.28% over the last day, indicating growing attacker interest. 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-2015-8749

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 2026-06-15 0.94% 2.22% +1.28%
2 2025-07-04 0.44% 0.94% +0.51%
3 2025-03-30 — 0.44% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-8749

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.9 3.0 MEDIUM
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N 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:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
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:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 2.2 3.6 [email protected]
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/A:N 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:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2015-8749

GitHub Security Advisory for CVE-2015-8749

GHSA-c36r-g737-9qp8 · Severity: medium · Ecosystem: pip — OpenStack Nova Potential Xen connection password leak via StorageError

OS Trackers for CVE-2015-8749

vendor priority summary link
debian not yet assigned CVE-2015-8749 not yet assigned priority: Debian including 1 source packages (nova), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2015-8749
redhat medium — https://access.redhat.com/security/cve/CVE-2015-8749
suse low — https://www.suse.com/security/cve/CVE-2015-8749/
ubuntu medium CVE-2015-8749 medium priority: Ubuntu including 1 source packages (nova), 8 status rows across 8 suites (precise, trusty, upstream, vivid, wily, xenial, yakkety, zesty): not-affected 4, ignored 2, released 2. https://ubuntu.com/security/CVE-2015-8749

Affected software / configurations for CVE-2015-8749

Vendor Product Version Raw CPE
openstack nova >= 12.0.0, < 12.0.1 cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*
openstack nova >= 2015.1.0, < 2015.1.3 cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*

References for CVE-2015-8749

cvelogic Threat Intelligence