How severe is CVE-2018-17107?

CVE-2018-17107 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-2018-17107 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-17107?

CVE-2018-17107 affects Tgstation13 Tgstation-server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-17107?

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-2018-17107 published?

CVE-2018-17107 was published on 2018-09-24 and last updated on 2026-06-17.

CVE-2018-17107

CVE-2018-17107 is a critical-severity vulnerability in Tgstation13 Tgstation-server 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.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Tgstation13 Tgstation-server
Published: 2018-09-24
Last modified: 2026-06-17

Description

In Tgstation tgstation-server 3.2.4.0 through 3.2.1.0 (fixed in 3.2.5.0), active logins would be cached, allowing subsequent logins to succeed with any username or password.

Frequently asked questions

What is CVE-2018-17107?: In Tgstation tgstation-server 3.2.4.0 through 3.2.1.0 (fixed in 3.2.5.0), active logins would be cached, allowing subsequent logins to succeed with any username or password.
How severe is CVE-2018-17107?: CVE-2018-17107 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-2018-17107 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-17107?: CVE-2018-17107 affects Tgstation13 Tgstation-server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-17107?: 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-2018-17107 published?: CVE-2018-17107 was published on 2018-09-24 and last updated on 2026-06-17.

References

https://github.com/tgstation/tgstation-server/issues/690

Affected products (1)

cpe:2.3:a:tgstation13:tgstation-server:*:*:*:*:*:*:*:*

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