CVE-2019-11510

CVE-2019-11510 is a critical-severity vulnerability in Ivanti Connect Secure with a CVSS 3.x base score of 10.0. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2021-11-03). The underlying weakness is classified as CWE-22.

Key facts

• Severity: Critical (CVSS 3.x base score 10.0)
• CVSS v2: 7.5
• EPSS exploit prediction: 100% (100th percentile)
• Actively exploited: Yes — listed in CISA KEV (added 2021-11-03)
• EU (EUVD) id: EUVD-2019-3183
• EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2021-11-03)
• Weakness: CWE-22
• Affected product: Ivanti Connect Secure
• Published: 2019-05-08
• Last modified: 2026-06-17

Description

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 unauthenticated remote attacker can send a specially crafted URI to perform an arbitrary file reading vulnerability .

Frequently asked questions

What is CVE-2019-11510?

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 unauthenticated remote attacker can send a specially crafted URI to perform an arbitrary file reading vulnerability .

How severe is CVE-2019-11510?

CVE-2019-11510 has a CVSS 3.x base score of 10.0, 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-2019-11510 being actively exploited?

Yes. CVE-2019-11510 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2021-11-03, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2019-11510?

CVE-2019-11510 primarily affects Ivanti Connect Secure. In total, 37 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-11510?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2019-11510 have an EU (EUVD) identifier?

Yes. CVE-2019-11510 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-3183. It is also flagged as exploited in the EUVD (since 2021-11-03).

When was CVE-2019-11510 published?

CVE-2019-11510 was published on 2019-05-08 and last updated on 2026-06-17.

References

• http://packetstormsecurity.com/files/154176/Pulse-Secure-SSL-VPN-8.1R15.1-8.2-8.3-9.0-Arbitrary-File-Disclosure.html
• http://packetstormsecurity.com/files/154231/Pulse-Secure-SSL-VPN-File-Disclosure-NSE.html
• http://www.securityfocus.com/bid/108073
• https://badpackets.net/over-14500-pulse-secure-vpn-endpoints-vulnerable-to-cve-2019-11510/
• https://devco.re/blog/2019/09/02/attacking-ssl-vpn-part-3-the-golden-Pulse-Secure-ssl-vpn-rce-chain-with-Twitter-as-case-study/
• https://i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like-NSA.pdf
• https://kb.pulsesecure.net/?atype=sa
• https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101/
• https://lists.apache.org/thread.html/ff5fa1837b6bd1b24d18a42faa75e165a4573dbe2d434910c15fd08a%40%3Cuser.guacamole.apache.org%3E
• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0010
• https://www.kb.cert.org/vuls/id/927237
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-11510

Affected products (37)

• 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:r8.0:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:8.2:r8.1:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:8.2:r8.2:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:8.2:r9.0:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:8.3:r1:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:8.3:r2:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:8.3:r2.1:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:8.3:r3:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:8.3:r4:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:8.3:r5:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:8.3:r5.1:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:8.3:r5.2:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:8.3:r6:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:8.3:r6.1:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:8.3:r7:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:9.0:r1:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:9.0:r2:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:9.0:r2.1:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:9.0:r3:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:9.0:r3.1:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:9.0:r3.2:*:*:*:*:*:*
• cpe:2.3:a:ivanti:connect_secure:9.0:r3.3:*:*:*:*:*:*

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