How severe is CVE-2017-18001?

CVE-2017-18001 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-2017-18001 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-18001?

CVE-2017-18001 affects Trustwave Secure Web Gateway. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-18001?

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-2017-18001 published?

CVE-2017-18001 was published on 2017-12-31 and last updated on 2026-06-17.

CVE-2017-18001

CVE-2017-18001 is a critical-severity vulnerability in Trustwave Secure Web Gateway with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 14% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Trustwave Secure Web Gateway
Published: 2017-12-31
Last modified: 2026-06-17

Description

Trustwave Secure Web Gateway (SWG) through 11.8.0.27 allows remote attackers to append an arbitrary public key to the device's SSH Authorized Keys data, and consequently obtain remote root access, via the publicKey parameter to the /sendKey URI.

Frequently asked questions

What is CVE-2017-18001?: Trustwave Secure Web Gateway (SWG) through 11.8.0.27 allows remote attackers to append an arbitrary public key to the device's SSH Authorized Keys data, and consequently obtain remote root access, via the publicKey parameter to the /sendKey URI.
How severe is CVE-2017-18001?: CVE-2017-18001 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-2017-18001 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-18001?: CVE-2017-18001 affects Trustwave Secure Web Gateway. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-18001?: 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-2017-18001 published?: CVE-2017-18001 was published on 2017-12-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:trustwave:secure_web_gateway:*:*:*:*:*:*:*:*

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