Skip to content
Fencer Intel
high 7.5

CVE-2020-21934 json

An issue was discovered in Motorola CX2 router CX 1.0.2 Build 20190508 Rel.97360n where authentication to download the Syslog could be bypa…

published 5y ago modified 4mo ago also EUVD-2020-14700

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits
0
none known

Summary

An issue was discovered in Motorola CX2 router CX 1.0.2 Build 20190508 Rel.97360n where authentication to download the Syslog could be bypassed.

Is CVE-2020-21934 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

1.56% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/cc-crack/router/blob/master/motocx2.md referenced PoC, tagged "exploit" by a source, unverified
  • l0n0l.xyz https://l0n0l.xyz/post/motocx2/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

References

Sources

Fencer Intel 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.