How severe is CVE-2015-7746?

CVE-2015-7746 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2015-7746 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-7746?

CVE-2015-7746 affects Netapp Data Ontap. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-7746?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2015-7746 published?

CVE-2015-7746 was published on 2017-09-01 and last updated on 2026-06-17.

CVE-2015-7746

CVE-2015-7746 is a critical-severity vulnerability in Netapp Data Ontap with a CVSS 3.x base score of 9.8. 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Netapp Data Ontap
Published: 2017-09-01
Last modified: 2026-06-17

Description

NetApp Data ONTAP before 8.2.4, when operating in 7-Mode, allows remote attackers to bypass authentication and (1) obtain sensitive information from or (2) modify volumes via vectors related to UTF-8 in the volume language.

Frequently asked questions

What is CVE-2015-7746?: NetApp Data ONTAP before 8.2.4, when operating in 7-Mode, allows remote attackers to bypass authentication and (1) obtain sensitive information from or (2) modify volumes via vectors related to UTF-8 in the volume language.
How severe is CVE-2015-7746?: CVE-2015-7746 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2015-7746 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-7746?: CVE-2015-7746 affects Netapp Data Ontap. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-7746?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2015-7746 published?: CVE-2015-7746 was published on 2017-09-01 and last updated on 2026-06-17.

References

https://kb.netapp.com/support/index?page=content&id=9010049

Affected products (1)

cpe:2.3:o:netapp:data_ontap:*:7-mode:*:*:*:*:*:*

More vulnerabilities in Netapp Data Ontap

CVE-2008-3349 — Critical (CVSS 10.0): Multiple unspecified vulnerabilities in NetApp Data ONTAP, as used on NetApp and IBM eServer platforms, allow remote…
CVE-2015-7871 — Critical (CVSS 9.8): Crypto-NAK packets in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to bypass…
CVE-2015-7853 — Critical (CVSS 9.8): The datalen parameter in the refclock driver in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote…
CVE-2015-7705 — Critical (CVSS 9.8): The rate limiting feature in NTP 4.x before 4.2.8p4 and 4.3.x before 4.3.77 allows remote attackers to have unspecified…
CVE-2019-5502 — Critical (CVSS 9.1): SMB in Data ONTAP operating in 7-Mode versions prior to 8.2.5P3 has weak cryptography which when exploited could lead…
CVE-2015-7854 — High (CVSS 8.8): Buffer overflow in the password management functionality in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows…

All CVEs affecting Netapp Data Ontap →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →