How severe is CVE-2019-18780?

CVE-2019-18780 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-2019-18780 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-18780?

CVE-2019-18780 primarily affects Veritas Access. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-18780?

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-2019-18780 published?

CVE-2019-18780 was published on 2019-11-05 and last updated on 2026-06-17.

CVE-2019-18780

CVE-2019-18780 is a critical-severity vulnerability in Veritas Access 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. The underlying weakness is classified as CWE-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Veritas Access
Published: 2019-11-05
Last modified: 2026-06-17

Description

An arbitrary command injection vulnerability in the Cluster Server component of Veritas InfoScale allows an unauthenticated remote attacker to execute arbitrary commands as root or administrator. These Veritas products are affected: Access 7.4.2 and earlier, Access Appliance 7.4.2 and earlier, Flex Appliance 1.2 and earlier, InfoScale 7.3.1 and earlier, InfoScale between 7.4.0 and 7.4.1, Veritas Cluster Server (VCS) 6.2.1 and earlier on Linux/UNIX, Veritas Cluster Server (VCS) 6.1 and earlier on Windows, Storage Foundation HA (SFHA) 6.2.1 and earlier on Linux/UNIX, and Storage Foundation HA (SFHA) 6.1 and earlier on Windows.

Frequently asked questions

What is CVE-2019-18780?: An arbitrary command injection vulnerability in the Cluster Server component of Veritas InfoScale allows an unauthenticated remote attacker to execute arbitrary commands as root or administrator. These Veritas products are affected: Access 7.4.2 and earlier, Access Appliance 7.4.2 and earlier, Flex Appliance 1.2 and earlier, InfoScale 7.3.1 and earlier, InfoScale between 7.4.0 and 7.4.1, Veritas Cluster Server (VCS) 6.2.1 and earlier on Linux/UNIX, Veritas Cluster Server (VCS) 6.1 and earlier on Windows, Storage Foundation HA (SFHA) 6.2.1 and earlier on Linux/UNIX, and Storage Foundation HA (SFHA) 6.1 and earlier on Windows.
How severe is CVE-2019-18780?: CVE-2019-18780 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-2019-18780 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-18780?: CVE-2019-18780 primarily affects Veritas Access. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-18780?: 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-2019-18780 published?: CVE-2019-18780 was published on 2019-11-05 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:veritas:access:*:*:*:*:*:*:*:*
cpe:2.3:a:veritas:access_appliance:*:*:*:*:*:*:*:*
cpe:2.3:a:veritas:flex_appliance:*:*:*:*:*:*:*:*
cpe:2.3:a:veritas:infoscale:*:*:*:*:*:*:*:*
cpe:2.3:a:veritas:cluster_server:*:*:*:*:*:*:*:*
cpe:2.3:a:veritas:storage_foundation_ha:*:*:*:*:*:*:*:*

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