How severe is CVE-2018-19391?

CVE-2018-19391 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-19391 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-19391?

CVE-2018-19391 primarily affects Cobham Satcom Sailor 250 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-19391?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-19391 published?

CVE-2018-19391 was published on 2019-03-15 and last updated on 2026-06-17.

CVE-2018-19391

CVE-2018-19391 is a medium-severity vulnerability in Cobham Satcom Sailor 250 Firmware with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cobham Satcom Sailor 250 Firmware
Published: 2019-03-15
Last modified: 2026-06-17

Description

Cobham Satcom Sailor 250 and 500 devices before 1.25 contained persistent XSS, which could be exploited by an unauthenticated threat actor via the /index.lua?pageID=Phone%20book name field.

Frequently asked questions

What is CVE-2018-19391?: Cobham Satcom Sailor 250 and 500 devices before 1.25 contained persistent XSS, which could be exploited by an unauthenticated threat actor via the /index.lua?pageID=Phone%20book name field.
How severe is CVE-2018-19391?: CVE-2018-19391 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-19391 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-19391?: CVE-2018-19391 primarily affects Cobham Satcom Sailor 250 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-19391?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-19391 published?: CVE-2018-19391 was published on 2019-03-15 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:cobham:satcom_sailor_250_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cobham:satcom_sailor_500_firmware:*:*:*:*:*:*:*:*

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