Description
An issue was discovered on AudioCodes Mediant 500L-MSBR, 500-MBSR, M800B-MSBR and 800C-MSBR devices with firmware versions F7.20A to F7.20A.251. An internal interface exposed to the link-local address 169.254.254.253 allows attackers in the local network to access multiple quagga VTYs. Attackers can authenticate with the default 1234 password that cannot be changed, and can execute malicious and unauthorized actions.
References (1)
Core 1
Core References
Third Party Advisory x_refsource_misc
https://www.cirosec.de/fileadmin/1._Unternehmen/1.4._Unsere_Kompetenzen/Security_Advisory_AudioCodes_Mediant_family.pdf
Scores
CVSS v3
8.8
EPSS
0.0061
EPSS Percentile
44.3%
Attack Vector
ADJACENT_NETWORK
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-798
Status
published
Products (4)
audiocodes/median_500-msbr_firmware
f7.20a - f7.20a.251
audiocodes/median_500l-msbr_firmware
f7.20a - f7.20a.251
audiocodes/median_800c-msbr_firmware
f7.20a - f7.20a.251
audiocodes/median_m800b-msbr_firmware
f7.20a - f7.20a.251
Published
Jul 20, 2019
Tracked Since
Feb 18, 2026