How severe is CVE-2019-9229?

CVE-2019-9229 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-9229 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-9229?

CVE-2019-9229 primarily affects Audiocodes Median 500l-msbr Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-9229?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-9229 published?

CVE-2019-9229 was published on 2019-07-20 and last updated on 2026-06-17.

CVE-2019-9229

CVE-2019-9229 is a high-severity vulnerability in Audiocodes Median 500l-msbr Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 5.8
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Audiocodes Median 500l-msbr Firmware
Published: 2019-07-20
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2019-9229?: 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.
How severe is CVE-2019-9229?: CVE-2019-9229 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-9229 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-9229?: CVE-2019-9229 primarily affects Audiocodes Median 500l-msbr Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-9229?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-9229 published?: CVE-2019-9229 was published on 2019-07-20 and last updated on 2026-06-17.

References

https://www.cirosec.de/fileadmin/1._Unternehmen/1.4._Unsere_Kompetenzen/Security_Advisory_AudioCodes_Mediant_family.pdf

Affected products (4)

cpe:2.3:o:audiocodes:median_500l-msbr_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:audiocodes:median_500-msbr_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:audiocodes:median_m800b-msbr_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:audiocodes:median_800c-msbr_firmware:*:*:*:*:*:*:*:*

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