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Vulnerability record · CVE-2019-20047 · published 27 December 2019

CVE-2019-20047: Al-enterprise omnivista 4760 insufficiently protected credentials vulnerability

Al Enterprise · Omnivista 4760

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>.

7.5 CVSS 3.1 High EPSS 2.7% · top 14.6% CWE-522 · Insufficiently protected credentials
7.5CVSS 3.1 base score, v2 5.0
2.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
8References, 6 tagged exploit
17 Jun 2026Last modified by NVD

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>.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://git.lsd.cat/g/omnivista-rce ExploitThird Party Advisory
https://packetstormsecurity.com/files/155595/Alcatel-Lucent-Omnivista-8770-Remote-Code-Execution.html ExploitThird Party AdvisoryVDB Entry
https://www.al-enterprise.com/en/-/media/assets/internet/documents/sa-c0065-ov8770-rce-vulnerability-en.pdf Vendor Advisory
https://www.exploit-db.com/exploits/47761 ExploitThird Party AdvisoryVDB Entry
https://git.lsd.cat/g/omnivista-rce ExploitThird Party Advisory
https://packetstormsecurity.com/files/155595/Alcatel-Lucent-Omnivista-8770-Remote-Code-Execution.html ExploitThird Party AdvisoryVDB Entry
https://www.al-enterprise.com/en/-/media/assets/internet/documents/sa-c0065-ov8770-rce-vulnerability-en.pdf Vendor Advisory
https://www.exploit-db.com/exploits/47761 ExploitThird Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-20047), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.