CVE-2019-11510

Ivanti Pulse Connect Secure Arbitrary File Read

10.0 CRITICALActively exploited (CISA KEV)Used in ransomwarePublic exploitEPSS 100.0%

Published8 May 2019
Added to CISA KEV3 Nov 2021
Remediation due3 May 2022

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 .

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

ScopeChanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

Ivanti Connect Secure8.2 · 8.3 · 9.0

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

Patch & vendor advisories

References

http://packetstormsecurity.com/files/154176/Pulse-Secure-SSL-VPN-8.1R15.1-8.2-8.3-9.0-Arbitrary-File-Disclosure.htmlExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/154231/Pulse-Secure-SSL-VPN-File-Disclosure-NSE.htmlThird Party AdvisoryVDB Entry
https://badpackets.net/over-14500-pulse-secure-vpn-endpoints-vulnerable-to-cve-2019-11510/Broken LinkThird Party Advisory
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/ExploitThird Party Advisory
https://i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like-NSA.pdfThird Party Advisory
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101/Broken LinkPatchVendor Advisory
https://kb.pulsesecure.net/?atype=saNot ApplicableVendor Advisory
https://lists.apache.org/thread.html/ff5fa1837b6bd1b24d18a42faa75e165a4573dbe2d434910c15fd08a%40%3Cuser.guacamole.apache.org%3EMailing List
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0010Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-11510US Government Resource

and 2 more references

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2019-11510 being actively exploited?

Yes. CVE-2019-11510 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 3 Nov 2021. It has been used in ransomware campaigns.

How severe is CVE-2019-11510?

CVE-2019-11510 has a CVSS 3.1 base score of 10.0, rated critical. EPSS estimates a 100.0% probability of exploitation.

Which products are affected by CVE-2019-11510?

Affected products include Ivanti Connect Secure.

How do I fix CVE-2019-11510?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2019-11510 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, a risk for it never ranks below high, and the update that fixes it moves to the Emergency patch lane. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.