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 .
Published 2019-05-08 17:29:01
Updated 2024-02-27 21:04:18
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Directory traversal

CVE-2019-11510 is in the CISA Known Exploited Vulnerabilities Catalog

This issue is known to have been leveraged as part of a ransomware campaign.
CISA vulnerability name:
Ivanti Pulse Connect Secure Arbitrary File Read Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Ivanti Pulse Connect Secure contains an arbitrary file read vulnerability that allows an unauthenticated remote attacker with network access via HTTPS to send a specially crafted URI.
Notes:
Reference CISA's ED 21-03 (https://www.cisa.gov/news-events/directives/ed-21-03-mitigate-pulse-connect-secure-product-vulnerabilities) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 21-03.
Added on 2021-11-03 Action due date 2021-04-23

Exploit prediction scoring system (EPSS) score for CVE-2019-11510

97.41%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 100 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2019-11510

  • Pulse Secure VPN Arbitrary File Disclosure
    Disclosure Date: 2019-04-24
    First seen: 2020-04-26
    auxiliary/gather/pulse_secure_file_disclosure
    This module exploits a pre-auth directory traversal in the Pulse Secure VPN server to dump an arbitrary file. Dumped files are stored in loot. If the "Automatic" action is set, plaintext and hashed credentials, as well as session IDs, will be dumped. Valid sessions

CVSS scores for CVE-2019-11510

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
NIST
9.9
CRITICAL CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
3.1
6.0
MITRE
10.0
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
3.9
6.0
NIST

CWE ids for CVE-2019-11510

  • The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-11510

Products affected by CVE-2019-11510

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