How severe is CVE-2009-1048?

CVE-2009-1048 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2009-1048 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1048?

CVE-2009-1048 primarily affects Snom Snom 300 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-1048?

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

When was CVE-2009-1048 published?

CVE-2009-1048 was published on 2009-08-14 and last updated on 2026-06-16.

CVE-2009-1048

CVE-2009-1048 is a critical-severity vulnerability in Snom Snom 300 Firmware with a CVSS 3.x base score of 9.8. 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-290.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-290
Affected product: Snom Snom 300 Firmware
Published: 2009-08-14
Last modified: 2026-06-16

Description

The web interface on the snom VoIP phones snom 300, snom 320, snom 360, snom 370, and snom 820 with firmware 6.5 before 6.5.20, 7.1 before 7.1.39, and 7.3 before 7.3.14 allows remote attackers to bypass authentication, and reconfigure the phone or make arbitrary use of the phone, via a (1) http or (2) https request with 127.0.0.1 in the Host header.

Frequently asked questions

What is CVE-2009-1048?: The web interface on the snom VoIP phones snom 300, snom 320, snom 360, snom 370, and snom 820 with firmware 6.5 before 6.5.20, 7.1 before 7.1.39, and 7.3 before 7.3.14 allows remote attackers to bypass authentication, and reconfigure the phone or make arbitrary use of the phone, via a (1) http or (2) https request with 127.0.0.1 in the Host header.
How severe is CVE-2009-1048?: CVE-2009-1048 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2009-1048 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1048?: CVE-2009-1048 primarily affects Snom Snom 300 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-1048?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2009-1048 published?: CVE-2009-1048 was published on 2009-08-14 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:o:snom:snom_300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:snom:snom_320_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:snom:snom_360_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:snom:snom_370_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:snom:snom_820_firmware:*:*:*:*:*:*:*:*

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