What’s Vulnerable › Vulnerabilities
CVE-2019-20047
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 2.7% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2019-12-27 · updated 2026-06-17
- Weakness: CWE-522
Description
An issue was discovered on Alcatel-Lucent OmniVista 4760 devices, and 8770 devices before 4.1.2. An incorrect web server configuration allows a remote unauthenticated attacker to retrieve the content of its own session files. Every session file contains the administrative LDAP credentials encoded in a reversible format. Sessions are stored in /sessions/sess_<sessionid>.
Affected products
- Al-Enterprise Omnivista 4760: all versions
- Al-Enterprise Omnivista 8770: before 4.1.12 — fixed in 4.1.12
How to fix
Upgrade to a fixed version: Al-Enterprise Omnivista 8770 4.1.12. Check the vendor advisory for mitigations.
References
- https://git.lsd.cat/g/omnivista-rce
- https://packetstormsecurity.com/files/155595/Alcatel-Lucent-Omnivista-8770-Remote-Code-Execution.html
- https://www.al-enterprise.com/en/-/media/assets/internet/documents/sa-c0065-ov8770-rce-vulnerability-en.pdf
- https://www.exploit-db.com/exploits/47761
- https://git.lsd.cat/g/omnivista-rce
- https://packetstormsecurity.com/files/155595/Alcatel-Lucent-Omnivista-8770-Remote-Code-Execution.html
- https://www.al-enterprise.com/en/-/media/assets/internet/documents/sa-c0065-ov8770-rce-vulnerability-en.pdf
- https://www.exploit-db.com/exploits/47761
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