What is CVE-2017-6739?

CVE-2017-6739 is a high-severity vulnerability in Intellishield Universal Product, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2017-07-17.

How severe is CVE-2017-6739?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2017-6739 known to be exploited?

Yes. CVE-2017-6739 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.

Buffer overflow in Intellishield Universal Product

CVE-2017-6739

A vulnerability in the SNMP implementation of could allow an authenticated, remote attacker to cause a reload of the affected system or to remotely execute code. An attacker could exploit this vulnerability by sending a crafted SNMP packet…

Vulnerability class: Buffer Overflow

EPSS: 0.204 (95.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Intellishield Universal Product — versions N/A

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-03-03. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-03-24.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

cisco-sa-20170629-snmp

Frequently asked questions

What is CVE-2017-6739?: CVE-2017-6739 is a high-severity vulnerability in Intellishield Universal Product, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2017-07-17.
How severe is CVE-2017-6739?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2017-6739 known to be exploited?: Yes. CVE-2017-6739 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.