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 .
The record classifies CVE-2019-11510 under weakness class CWE-22. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 30 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 2707 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 9.9 — CRITICAL
CVSS:3.0/AC:L/AV:N/A:H/C:H/I:H/PR:L/S:C/UI:N - EPSS (FIRST)
- 99.9% probability of exploitation in the next 30 days, higher than 99.9% of all scored CVEs
- CISA KEV
- Listed since 2021-11-03, federal remediation deadline 2022-05-03 — used in known ransomware campaigns
- Threadlinqs priority
- 10/10 — CISA lists it as used in ransomware, which Threadlinqs scores at the maximum
- Published
- 2019-05-08, last modified 2025-10-21
Is CVE-2019-11510 being exploited?
CISA added CVE-2019-11510 to the Known Exploited Vulnerabilities catalog on 2021-11-03, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2022-05-03 under BOD 22-01. CISA flags the vulnerability as one used in known ransomware campaigns. Weaponised exploit code for CVE-2019-11510 is publicly available. 11 public proof-of-concept repositories are tracked for this identifier. A ProjectDiscovery Nuclei detection template exists (http/cves/2019/CVE-2019-11510.yaml). It currently carries a trending score of 45 in the Threadlinqs vulnerability feed.
- projectzeroindia/CVE-2019-11510 (github)
- BishopFox/pwn-pulse (github)
- jas502n/CVE-2019-11510-1 (github)
- imjdl/CVE-2019-11510-poc (github)
- cisagov/check-your-pulse (github)
- r00tpgp/http-pulse_ssl_vpn.nse (github)
- aqhmal/pulsexploit (github)
- es0/CVE-2019-11510_poc (github)
Affected products and versions
- Ivanti: Connect Secure 8.2, Connect Secure 8.3
Showing 2 of 30 recorded product entries.
How to fix CVE-2019-11510
The record marks a vendor fix as available for CVE-2019-11510. Patch reference: https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101/. Vendor advisory: https://kb.pulsesecure.net/?atype=sa. Because CVE-2019-11510 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2022-05-03. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.
Threat activity tracking CVE-2019-11510
1 tracked threat in the Threadlinqs corpus references CVE-2019-11510, either in the campaign’s CVE list or as an indicator on the campaign record.
Sources
Enriched from CVE.org, NVD, FIRST EPSS, CISA KEV, GitHub Security Advisories, public proof-of-concept repositories, ProjectDiscovery Nuclei. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.
Vendor advisory and patch
Third-party advisory
Vulnerability database entry
Mailing list and disclosure
Other references
- kb.pulsesecure.net
- packetstormsecurity.com
- badpackets.net
- packetstormsecurity.com (Pulse Secure SSL VPN File Disclosure NSE)
- i.blackhat.com
Showing 10 of 11 recorded references.