How severe is CVE-2016-8937?

CVE-2016-8937 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-2016-8937 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-8937?

CVE-2016-8937 primarily affects Ibm Tivoli Storage Manager. In total, 65 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-8937?

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-2016-8937 published?

CVE-2016-8937 was published on 2017-10-05 and last updated on 2026-06-17.

CVE-2016-8937

CVE-2016-8937 is a critical-severity vulnerability in Ibm Tivoli Storage Manager 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: 5.0
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Ibm Tivoli Storage Manager
Published: 2017-10-05
Last modified: 2026-06-17

Description

The IBM Tivoli Storage Manager (IBM Spectrum Protect 7.1 and 8.1) default authentication protocol is vulnerable to a brute force attack due to disclosing too much information during authentication. An attacker could gain user or administrative access to the TSM server. IBM X-Force ID: 118750.

Frequently asked questions

What is CVE-2016-8937?: The IBM Tivoli Storage Manager (IBM Spectrum Protect 7.1 and 8.1) default authentication protocol is vulnerable to a brute force attack due to disclosing too much information during authentication. An attacker could gain user or administrative access to the TSM server. IBM X-Force ID: 118750.
How severe is CVE-2016-8937?: CVE-2016-8937 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-2016-8937 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-8937?: CVE-2016-8937 primarily affects Ibm Tivoli Storage Manager. In total, 65 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-8937?: 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-2016-8937 published?: CVE-2016-8937 was published on 2017-10-05 and last updated on 2026-06-17.

References

Affected products (65)

cpe:2.3:a:ibm:tivoli_storage_manager:6.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.1.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.1.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.1.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.1.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.1.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.1.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.1.5.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.1.5.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.1.5.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.2.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.2.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.2.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.2.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.2.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.3.0.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.3.0.15:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.3.0.17:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.3.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.3.1.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.3.2.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.3.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.3.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.3.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.3.5.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.3.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.3.6.100:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.4.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.4.1.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.4.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.4.2.100:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.4.2.200:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.4.2.500:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.4.2.600:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.4.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.4.3.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:7.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:7.1..5.100:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:7.1.0.1:*:*:*:*:*:*:*

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CVE-2009-3853 — Critical (CVSS 9.3): Stack-based buffer overflow in the client acceptor daemon (CAD) scheduler in the client in IBM Tivoli Storage Manager…

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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 →