CVE-2019-20049

high-risk
Published 2019-12-27

An issue was discovered on Alcatel-Lucent OmniVista 4760 devices. A remote unauthenticated attacker can chain a directory traversal (which helps to bypass authentication) with an insecure file upload to achieve Remote Code Execution as SYSTEM. The directory traversal is in the __construct() whereas the insecure file upload is in SetSkinImages().

Do I need to act?

!
25.5% chance of exploitation in next 30 days
EPSS score — higher than 74% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Al-Enterprise

References (8)

Exploit https://git.lsd.cat/g/omnivista-rce
Exploit https://packetstormsecurity.com/files/155595/Alcatel-Lucent-Omnivista-8770-Remot...
Vendor Advisory https://www.al-enterprise.com/en/-/media/assets/internet/documents/sa-c0065-ov87...
Exploit https://www.exploit-db.com/exploits/47761
Exploit https://git.lsd.cat/g/omnivista-rce
Exploit https://packetstormsecurity.com/files/155595/Alcatel-Lucent-Omnivista-8770-Remot...
Vendor Advisory https://www.al-enterprise.com/en/-/media/assets/internet/documents/sa-c0065-ov87...
Exploit https://www.exploit-db.com/exploits/47761
52
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 15/34 · Moderate
Exposure 5/34 · Minimal