How severe is CVE-2019-1582?

CVE-2019-1582 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-1582 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-1582?

CVE-2019-1582 affects Paloaltonetworks Pan-os. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-1582?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-1582 published?

CVE-2019-1582 was published on 2019-08-23 and last updated on 2026-06-17.

CVE-2019-1582

CVE-2019-1582 is a high-severity vulnerability in Paloaltonetworks Pan-os with a CVSS 3.x base score of 7.2. 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 6.5
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Paloaltonetworks Pan-os
Published: 2019-08-23
Last modified: 2026-06-17

Description

Memory corruption in PAN-OS 8.1.9 and earlier, and PAN-OS 9.0.3 and earlier will allow an administrative user to cause arbitrary memory corruption by rekeying the current client interactive session.

Frequently asked questions

What is CVE-2019-1582?: Memory corruption in PAN-OS 8.1.9 and earlier, and PAN-OS 9.0.3 and earlier will allow an administrative user to cause arbitrary memory corruption by rekeying the current client interactive session.
How severe is CVE-2019-1582?: CVE-2019-1582 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-1582 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-1582?: CVE-2019-1582 affects Paloaltonetworks Pan-os. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-1582?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-1582 published?: CVE-2019-1582 was published on 2019-08-23 and last updated on 2026-06-17.

References

https://security.paloaltonetworks.com/CVE-2019-1582

Affected products (1)

cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*

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