Vulnerability Details : CVE-2019-11510
Public exploit exists!
Used for ransomware!
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 .
Products affected by CVE-2019-11510
- 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:*:*:*:*:*:*
- 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:*:*:*:*:*:*
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. https://nvd.nist.gov/v
Added on
2021-11-03
Action due date
2021-04-23
Exploit prediction scoring system (EPSS) score for CVE-2019-11510
94.46%
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: 2019-04-24First seen: 2020-04-26auxiliary/gather/pulse_secure_file_disclosureThis 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:
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
- nvd@nist.gov (Primary)
References for 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/
Attacking SSL VPN - Part 3: The Golden Pulse Secure SSL VPN RCE Chain, with Twitter as Case Study! | DEVCOREExploit;Third Party Advisory
-
https://kb.pulsesecure.net/?atype=sa
Public KB - HomeNot Applicable;Vendor Advisory
-
http://packetstormsecurity.com/files/154176/Pulse-Secure-SSL-VPN-8.1R15.1-8.2-8.3-9.0-Arbitrary-File-Disclosure.html
Pulse Secure SSL VPN 8.1R15.1 / 8.2 / 8.3 / 9.0 Arbitrary File Disclosure ≈ Packet StormExploit;Third Party Advisory;VDB Entry
-
http://packetstormsecurity.com/files/154231/Pulse-Secure-SSL-VPN-File-Disclosure-NSE.html
Pulse Secure SSL VPN File Disclosure NSE ≈ Packet StormThird Party Advisory;VDB Entry
-
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0010
SonicWall Security AdvisoryThird Party Advisory
-
https://lists.apache.org/thread.html/ff5fa1837b6bd1b24d18a42faa75e165a4573dbe2d434910c15fd08a%40%3Cuser.guacamole.apache.org%3E
Re: [Guacamole hack attack?]-Apache Mail ArchivesMailing List
-
https://badpackets.net/over-14500-pulse-secure-vpn-endpoints-vulnerable-to-cve-2019-11510/
Over 14,500 Pulse Secure VPN endpoints vulnerable to CVE-2019-11510 – Bad PacketsBroken Link;Third Party Advisory
-
http://www.securityfocus.com/bid/108073
Pulse Connect Secure and Pulse Policy Secure Multiple Security VulnerabilitiesBroken Link;Third Party Advisory;VDB Entry
-
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101/
Pulse Security Advisory: SA44101 - 2019-04: Out-of-Cycle Advisory: Multiple vulnerabilities resolved in Pulse Connect Secure / Pulse Policy Secure 9.0RXBroken Link;Patch;Vendor Advisory
-
https://i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like-NSA.pdf
Third Party Advisory
-
https://www.kb.cert.org/vuls/id/927237
VU#927237 - Pulse Secure VPN contains multiple vulnerabilitiesThird Party Advisory;US Government Resource
-
https://lists.apache.org/thread.html/ff5fa1837b6bd1b24d18a42faa75e165a4573dbe2d434910c15fd08a@%3Cuser.guacamole.apache.org%3E
Re: [Guacamole hack attack?] - Pony MailThird Party Advisory
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