CVE-2018-20398

Name: CVE-2018-20398
Creator: NVD / NIST
Published: 2018-12-23T21:29:01.42+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.10%

Last modified Jun 17, 2026

CVE-2018-20398 is a vulnerability of currently unknown severity. Skyworth CM5100 V1.1.0, CM5100-440 V1.2.1, CM5100-511 4.1.0.14, CM5100-GHD00 V1.2.2, and CM5100.g2 4.1.0.17 devices allow remote attackers to discover credentials via iso.3.6.1.4.1.4491.2.4.1.1.6.1.1.0 and iso.3.6.1.4.1.4491.2.4.1.1.6.1.2.0 SNMP requests.. EPSS estimates a 2.10% chance of exploitation in the next 30 days.

Description

Skyworth CM5100 V1.1.0, CM5100-440 V1.2.1, CM5100-511 4.1.0.14, CM5100-GHD00 V1.2.2, and CM5100.g2 4.1.0.17 devices allow remote attackers to discover credentials via iso.3.6.1.4.1.4491.2.4.1.1.6.1.1.0 and iso.3.6.1.4.1.4491.2.4.1.1.6.1.2.0 SNMP requests.

Metrics

EPSS Probability

2.10%

79.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-522

Affected Software

Vendor	Product	Versions
Skyworthdigital	Cm5100 Firmware	1.1.0
Skyworthdigital	Cm5100-440 Firmware	1.2.1
Skyworthdigital	Cm5100-511 Firmware	4.1.0.14
Skyworthdigital	Cm5100-Ghd00 Firmware	1.2.2
Skyworthdigital	Cm5100.G2 Firmware	4.1.0.17

References

https://github.com/ezelf/sensitivesOids/blob/master/oidpassswordleaks.csvThird Party Advisory
https://misteralfa-hack.blogspot.com/2018/12/stringbleed-y-ahora-que-passwords-leaks.htmlExploit, Third Party Advisory
https://github.com/ezelf/sensitivesOids/blob/master/oidpassswordleaks.csvThird Party Advisory
https://misteralfa-hack.blogspot.com/2018/12/stringbleed-y-ahora-que-passwords-leaks.htmlExploit, Third Party Advisory

Timeline

Published: Dec 23, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-20398?

How severe is CVE-2018-20398?

Severity scoring for CVE-2018-20398 is pending analysis. The EPSS model estimates a 2.10% probability of exploitation in the next 30 days.

How do I fix CVE-2018-20398?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-20398?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST