How severe is CVE-2017-6727?

CVE-2017-6727 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2017-6727 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-6727?

CVE-2017-6727 affects Cisco Wide Area Application Services. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-6727?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-6727 published?

CVE-2017-6727 was published on 2017-07-10 and last updated on 2026-06-17.

CVE-2017-6727

CVE-2017-6727 is a medium-severity vulnerability in Cisco Wide Area Application Services with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Wide Area Application Services
Published: 2017-07-10
Last modified: 2026-06-17

Description

A vulnerability in the Server Message Block (SMB) protocol of Cisco Wide Area Application Services (WAAS) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device due to a process restarting unexpectedly and creating Core Dump files. More Information: CSCvc63035. Known Affected Releases: 6.2(3a). Known Fixed Releases: 6.3(0.167) 6.2(3c)5 6.2(3.22).

Frequently asked questions

What is CVE-2017-6727?: A vulnerability in the Server Message Block (SMB) protocol of Cisco Wide Area Application Services (WAAS) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device due to a process restarting unexpectedly and creating Core Dump files. More Information: CSCvc63035. Known Affected Releases: 6.2(3a). Known Fixed Releases: 6.3(0.167) 6.2(3c)5 6.2(3.22).
How severe is CVE-2017-6727?: CVE-2017-6727 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2017-6727 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-6727?: CVE-2017-6727 affects Cisco Wide Area Application Services. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-6727?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-6727 published?: CVE-2017-6727 was published on 2017-07-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cisco:wide_area_application_services:6.2\(3a\):*:*:*:*:*:*:*

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