Ivanti - Path Traversal (CVE-2019-11510)
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 .
psychologyCrowdSec Analysis
CVE-2019-11510 is a critical vulnerability affecting Pulse Connect Secure, allowing unauthenticated attackers to read arbitrary files through crafted requests.
CrowdSec has been tracking this vulnerability and its exploits since 9th of December 2021.
CrowdSec network observations suggest that most exploitation of CVE-2019-11510 involves focused reconnaissance to identify viable targets. Attackers typically tailor their campaigns based on system exposure and configuration. It is unlikely that a given attack is accidental. In addition, according to the CrowdSec network, attack volume against CVE-2019-11510 has dipped slightly compared to the previous week. Although still commonly targeted, the decline suggests a cooling-off period. Long-term relevance remains, but attention is waning.
Exploitation attempts typically involve accessing specifically crafted URLs designed to leverage the file read vulnerability in Pulse Connect Secure.
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| Event | Date |
|---|---|
| CVE Published | 2019-05-08 |
| CISA KEV | 2021-11-03 |
| Rule Released | 2021-12-09 |
| CISA Remediation Deadline | 2022-05-03 |
| CrowdSec First Seen | 2024-11-25 |
Remediation & Protection
External References
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0010
- https://i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like-NSA.pdf
- 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://www.kb.cert.org/vuls/id/927237
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2019/CVE-2019-11510.yaml