How severe is CVE-2020-24548?

CVE-2020-24548 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-24548 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-24548?

CVE-2020-24548 affects Ericom Access Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-24548?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-24548 published?

CVE-2020-24548 was published on 2020-08-26 and last updated on 2026-06-17.

CVE-2020-24548

CVE-2020-24548 is a medium-severity vulnerability in Ericom Access Server with a CVSS 3.x base score of 5.3. 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-918.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Ericom Access Server
Published: 2020-08-26
Last modified: 2026-06-17

Description

Ericom Access Server 9.2.0 (for AccessNow and Ericom Blaze) allows SSRF to make outbound WebSocket connection requests on arbitrary TCP ports, and provides "Cannot connect to" error messages to inform the attacker about closed ports.

Frequently asked questions

What is CVE-2020-24548?: Ericom Access Server 9.2.0 (for AccessNow and Ericom Blaze) allows SSRF to make outbound WebSocket connection requests on arbitrary TCP ports, and provides "Cannot connect to" error messages to inform the attacker about closed ports.
How severe is CVE-2020-24548?: CVE-2020-24548 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-24548 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-24548?: CVE-2020-24548 affects Ericom Access Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-24548?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-24548 published?: CVE-2020-24548 was published on 2020-08-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ericom:access_server:9.2.0:*:*:*:*:*:x64:*

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