CVE-2016-6366

ENISA EUVD: EUVD-2016-7289 ↗
Exploited in the Wild ✓ Confirmed 0-Day ★ Google Project Zero
Triaged: March 5, 2026 1 article Published: 2016-08-18
VulnLookup ↗ NVD ↗ EUVD ↗ MITRE ↗ Advisory ↗ P0 Sheet ↗ CISA KEV ↗

EPSS Score

Source: FIRST.org · 2026-05-23
90.78%
probability
This CVE has a 90.78% probability of being exploited in the next 30 days.
0% Top 99.6th percentile of all CVEs 100%

CVSS v3.1

Source: VulnerabilityLookup (CIRCL)
8.8
HIGH
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2 (legacy)

8.5
HIGH
Access Vector
Network
Access Complexity
Medium
Authentication
Single
Confidentiality
Complete
Integrity
Complete
Availability
Complete
AV:N/AC:M/Au:S/C:C/I:C/A:C

Description

VulnerabilityLookup (CNA)
Buffer overflow in Cisco Adaptive Security Appliance (ASA) Software through 9.4.2.3 on ASA 5500, ASA 5500-X, ASA Services Module, ASA 1000V, ASAv, Firepower 9300 ASA Security Module, PIX, and FWSM devices allows remote authenticated users to execute arbitrary code via crafted IPv4 SNMP packets, aka Bug ID CSCva92151 or EXTRABACON.

Affected Products

n/a
n/a

Attack Intelligence

Google Project Zero

Discovered
Aug. 15, 2016
Patched
Aug. 17, 2016
Reported by
Shadow Brokers
Root Cause Analysis
???

Exploits & PoC

RiskSense-Ops/CVE-2016-6366

Public repository for improvements to the EXTRABACON exploit

163 2016-11-02
1 repo — triés par ⭐ Rechercher sur GitHub ↗

Signal Intelligence

Confidenceⓘ
95%
EPSS 90.78%
CVSS v3.1 8.8
Mentions 1

CNA Information

CNA Assigner
cisco

Analyst Note

Auto-imported from Google Project Zero — confirmed zero-day by definition.

Threat Actors 2

Kinsing
apt_group 🇷🇺 RU
TeamTNT
apt_group 🇩🇪 DE

Triage Info

Decided atMar 05, 2026
Published DateAug 18, 2016