How severe is CVE-2019-18380?

CVE-2019-18380 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2019-18380 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-18380?

CVE-2019-18380 affects Symantec Industrial Control System Protection. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-18380?

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

When was CVE-2019-18380 published?

CVE-2019-18380 was published on 2019-12-09 and last updated on 2026-06-17.

CVE-2019-18380

CVE-2019-18380 is a medium-severity vulnerability in Symantec Industrial Control System Protection with a CVSS 3.x base score of 6.5. 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: Medium (CVSS 3.x base score 6.5)
CVSS v2: 3.3
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Symantec Industrial Control System Protection
Published: 2019-12-09
Last modified: 2026-06-17

Description

Symantec Industrial Control System Protection (ICSP), versions 6.x.x, may be susceptible to an unauthorized access issue that could potentially allow a threat actor to create or modify application user accounts without proper authentication.

Frequently asked questions

What is CVE-2019-18380?: Symantec Industrial Control System Protection (ICSP), versions 6.x.x, may be susceptible to an unauthorized access issue that could potentially allow a threat actor to create or modify application user accounts without proper authentication.
How severe is CVE-2019-18380?: CVE-2019-18380 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2019-18380 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-18380?: CVE-2019-18380 affects Symantec Industrial Control System Protection. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-18380?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-18380 published?: CVE-2019-18380 was published on 2019-12-09 and last updated on 2026-06-17.

References

https://support.symantec.com/us/en/article.SYMSA1500.html

Affected products (1)

cpe:2.3:a:symantec:industrial_control_system_protection:*:*:*:*:*:*:*:*

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