How severe is CVE-2017-16590?

CVE-2017-16590 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-16590 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-16590?

CVE-2017-16590 affects Netgain-systems Enterprise Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-16590?

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

When was CVE-2017-16590 published?

CVE-2017-16590 was published on 2018-01-23 and last updated on 2026-06-17.

CVE-2017-16590

CVE-2017-16590 is a high-severity vulnerability in Netgain-systems Enterprise Manager with a CVSS 3.x base score of 8.8. 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: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Netgain-systems Enterprise Manager
Published: 2018-01-23
Last modified: 2026-06-17

Description

This vulnerability allows remote attackers to bypass authentication on vulnerable installations of NetGain Systems Enterprise Manager 7.2.699 build 1001. User interaction is required to exploit this vulnerability. The specific flaw exists within the MainFilter servlet. The issue results from the lack of proper string matching inside the doFilter method. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of Administrator. Was ZDI-CAN-5099.

Frequently asked questions

What is CVE-2017-16590?: This vulnerability allows remote attackers to bypass authentication on vulnerable installations of NetGain Systems Enterprise Manager 7.2.699 build 1001. User interaction is required to exploit this vulnerability. The specific flaw exists within the MainFilter servlet. The issue results from the lack of proper string matching inside the doFilter method. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of Administrator. Was ZDI-CAN-5099.
How severe is CVE-2017-16590?: CVE-2017-16590 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-16590 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-16590?: CVE-2017-16590 affects Netgain-systems Enterprise Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-16590?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-16590 published?: CVE-2017-16590 was published on 2018-01-23 and last updated on 2026-06-17.

References

https://zerodayinitiative.com/advisories/ZDI-17-955

Affected products (1)

cpe:2.3:a:netgain-systems:enterprise_manager:7.2.699:*:*:*:*:*:*:*

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