How severe is CVE-2019-11538?

CVE-2019-11538 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-11538 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-11538?

CVE-2019-11538 primarily affects Ivanti Connect Secure. In total, 59 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-11538?

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-2019-11538 published?

CVE-2019-11538 was published on 2019-04-26 and last updated on 2026-06-17.

CVE-2019-11538

CVE-2019-11538 is a high-severity vulnerability in Ivanti Connect Secure with a CVSS 3.x base score of 7.7. 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-59.

Key facts

Severity: High (CVSS 3.x base score 7.7)
CVSS v2: 4.0
EPSS exploit prediction: 7% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-59
Affected product: Ivanti Connect Secure
Published: 2019-04-26
Last modified: 2026-06-17

Description

In Pulse Secure Pulse Connect Secure version 9.0RX before 9.0R3.4, 8.3RX before 8.3R7.1, 8.2RX before 8.2R12.1, and 8.1RX before 8.1R15.1, an NFS problem could allow an authenticated attacker to access the contents of arbitrary files on the affected device.

Frequently asked questions

What is CVE-2019-11538?: In Pulse Secure Pulse Connect Secure version 9.0RX before 9.0R3.4, 8.3RX before 8.3R7.1, 8.2RX before 8.2R12.1, and 8.1RX before 8.1R15.1, an NFS problem could allow an authenticated attacker to access the contents of arbitrary files on the affected device.
How severe is CVE-2019-11538?: CVE-2019-11538 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-11538 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-11538?: CVE-2019-11538 primarily affects Ivanti Connect Secure. In total, 59 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-11538?: 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-2019-11538 published?: CVE-2019-11538 was published on 2019-04-26 and last updated on 2026-06-17.

References

Affected products (59)

cpe:2.3:a:ivanti:connect_secure:8.1:r1.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.1:r1.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.1:r10.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.1:r11.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.1:r11.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.1:r12.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.1:r12.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.1:r13.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.1:r14.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.1:r2.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.1:r2.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.1:r3.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.1:r3.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.1:r3.2:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.1:r4.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.1:r4.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.1:r5.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.1:r6.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.1:r7.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.1:r8.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.1:r9.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.1:r9.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.1:r9.2:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.2:r1.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.2:r1.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.2:r10.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.2:r11.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.2:r12.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.2:r2.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.2:r3.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.2:r3.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.2:r4.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.2:r4.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.2:r5.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.2:r5.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.2:r6.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.2:r7.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.2:r7.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.2:r7.2:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:8.2:r8.0:*:*:*:*:*:*

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CVE-2019-11510 — Critical (CVSS 10.0): In Pulse Secure Pulse Connect Secure (PCS) 8.2 before 8.2R12.1, 8.3 before 8.3R7.1, and 9.0 before 9.0R3.4, an…
CVE-2016-4787 — Critical (CVSS 10.0): Pulse Connect Secure (PCS) 8.2 before 8.2r1, 8.1 before 8.1r2, 8.0 before 8.0r10, and 7.4 before 7.4r13.4 allow remote…
CVE-2025-22467 — Critical (CVSS 9.9): A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.6 allows a remote authenticated attacker…
CVE-2024-21894 — Critical (CVSS 9.8): A heap overflow vulnerability in IPSec component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure allows…
CVE-2018-20813 — Critical (CVSS 9.8): An input validation issue has been found with login_meeting.cgi in Pulse Secure Pulse Connect Secure 8.3RX before 8.3R2.

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