CVE-2018-20398
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.10%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.10% probability · 82th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-522
- Affected
- skyworthdigital/cm5100 firmware · skyworthdigital/cm5100-440 firmware · skyworthdigital/cm5100-511 firmware · skyworthdigital/cm5100-ghd00 firmware · skyworthdigital/cm5100.g2 firmware
- Source
- cve@mitre.org
EPSS 2.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.