CVE-2016-6366

unknown KEV

Published 2022-05-24 · Modified 2022-05-24

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

2.5

Description

A buffer overflow vulnerability in the Simple Network Management Protocol (SNMP) code of Cisco ASA software could allow an attacker to cause a reload of the affected system or to remotely execute code.

CISA KEV

Vendor: Cisco
Product: Adaptive Security Appliance (ASA)
Due date: 2022-06-14

Predictions

Exploit likelihood

99%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-40258 remote hardware text · 1 KB

Shadow Brokers · 2016-08-18

Cisco ASA 8.x - 'EXTRABACON' Authentication Bypass

text exploit Source: Exploit-DB

 # Exploit Title: Cisco ASA 8.X Authentication Bypass
# Date: 17-08-2016
# Exploit Author: Equation Group
# Vendor Homepage: Cisco
# Software Link: Cisco
# Version: Cisco ASA 8.X
# Tested on: Cisco ASA 8.4.2
# CVE : Not sure

Requirements:
* SNMP read (public) string
* Access to SNMP service
* SSH port accessible


Full Exploit:
https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/40258.zip

Metasploit modules

auxiliary_admin/networking/cisco_asa_extrabacon rank 300

Cisco ASA Authentication Bypass (EXTRABACON)

Source fetch failed: fetch_error — view the original via the link above.

References

https://nvd.nist.gov/vuln/detail/CVE-2016-6366

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.