How severe is CVE-2017-6665?

CVE-2017-6665 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2017-6665 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-6665?

CVE-2017-6665 primarily affects Cisco Ios. In total, 187 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-6665?

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

When was CVE-2017-6665 published?

CVE-2017-6665 was published on 2017-08-07 and last updated on 2026-06-17.

CVE-2017-6665

CVE-2017-6665 is a medium-severity vulnerability in Cisco Ios with a CVSS 3.x base score of 6.5. 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-319.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 3.3
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-319
Affected product: Cisco Ios
Published: 2017-08-07
Last modified: 2026-06-17

Description

A vulnerability in the Autonomic Networking feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to reset the Autonomic Control Plane (ACP) of an affected system and view ACP packets that are transferred in clear text within an affected system, an Information Disclosure Vulnerability. More Information: CSCvd51214. Known Affected Releases: Denali-16.2.1 Denali-16.3.1.

Frequently asked questions

What is CVE-2017-6665?: A vulnerability in the Autonomic Networking feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to reset the Autonomic Control Plane (ACP) of an affected system and view ACP packets that are transferred in clear text within an affected system, an Information Disclosure Vulnerability. More Information: CSCvd51214. Known Affected Releases: Denali-16.2.1 Denali-16.3.1.
How severe is CVE-2017-6665?: CVE-2017-6665 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-6665 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-6665?: CVE-2017-6665 primarily affects Cisco Ios. In total, 187 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-6665?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-6665 published?: CVE-2017-6665 was published on 2017-08-07 and last updated on 2026-06-17.

References

Affected products (187)

cpe:2.3:o:cisco:ios:15.2\(3\)e:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.2\(3\)e1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.2\(3\)e2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.2\(3\)e3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.2\(3\)e4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.2\(3\)e5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.2\(3a\)e:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.2\(3a\)e1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.2\(3m\)e2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.2\(3m\)e3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.2\(3m\)e6:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.2\(3m\)e8:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.2\(4\)e:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.2\(4\)e1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.2\(4\)e2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.2\(4\)e3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.2\(5\)e:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.2\(5\)e1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.2\(5a\)e:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.2\(5b\)e:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.3\(3\)s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.3\(3\)s1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.3\(3\)s1a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.3\(3\)s2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.3\(3\)s3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.3\(3\)s4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.3\(3\)s5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.3\(3\)s6:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.3\(3\)s7:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.3\(3\)s8:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.3\(3\)s8a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.3\(3\)s9:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.3\(3\)s10:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.4\(1\)s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.4\(1\)s1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.4\(1\)s2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.4\(1\)s3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.4\(1\)s4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.4\(2\)s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.4\(2\)s1:*:*:*:*:*:*:*

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