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Fencer Vulns
critical 9.8

CVE-2018-20399 json

Motorola SBG901 SBG901-2.10.1.1-GA-00-581-NOSH, SBG941 SBG941-2.11.0.0-GA-07-624-NOSH, and SVG1202 SVG1202-2.1.0.0-GA-14-LTSH devices allow…

published 2018-12-23 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-12957

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.6%
EPSS 2.6% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

Motorola SBG901 SBG901-2.10.1.1-GA-00-581-NOSH, SBG941 SBG941-2.11.0.0-GA-07-624-NOSH, and SVG1202 SVG1202-2.1.0.0-GA-14-LTSH 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.

Exploit prediction

2.59% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • misteralfa-hack.blogspot.com https://misteralfa-hack.blogspot.com/2018/12/stringbleed-y-ahora-que-passwords-leaks.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-522 Insufficiently Protected Credentials

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.