CVE-2015-6312

Cisco TelePresence Server 3.1 on 7010, Mobility Services Engine (MSE) 8710, Multiparty Media 310 and 320, and Virtual Machine (VM) devices allows remote attackers to cause a denial of service (device reload) via malformed STUN packets, aka Bug ID CSCuv01348.

Published: 2016-04-06 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-6312 is rated Moderate Risk (58.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.93%). EPSS rose +1.32% 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-2015-6312

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 0.61% 1.93% +1.32%
2 2025-07-13 0.94% 0.61% -0.33%
3 2025-03-30 — 0.94% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-6312

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/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: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: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.
 3.9 3.6 [email protected]
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 6.9 [email protected]

Weakness enumeration for CVE-2015-6312

Affected software / configurations for CVE-2015-6312

Vendor Product Version Raw CPE
dell emc_powerscale_onefs 8.2.2 cpe:2.3:o:dell:emc_powerscale_onefs:8.2.2:*:*:*:*:*:*:*
netgear jr6150_firmware < 2017-01-06 cpe:2.3:o:netgear:jr6150_firmware:*:*:*:*:*:*:*:*
zyxel gs1900-10hp_firmware < 2.50\(aazi.0\)c0 cpe:2.3:o:zyxel:gs1900-10hp_firmware:*:*:*:*:*:*:*:*
zzinc keymouse_firmware 3.08 cpe:2.3:o:zzinc:keymouse_firmware:3.08:*:*:*:*:windows:*:*

References for CVE-2015-6312

cvelogic Threat Intelligence