How severe is CVE-2020-36909?

CVE-2020-36909 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-36909 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-36909?

CVE-2020-36909 affects Securecomputing Snapgear Sg560 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-36909?

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

Does CVE-2020-36909 have an EU (EUVD) identifier?

Yes. CVE-2020-36909 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1029.

When was CVE-2020-36909 published?

CVE-2020-36909 was published on 2026-01-06 and last updated on 2026-06-17.

CVE-2020-36909

CVE-2020-36909 is a medium-severity vulnerability in Securecomputing Snapgear Sg560 Firmware with a CVSS 3.x base score of 6.5. 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-22.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 8.7
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-1029
Weakness: CWE-22
Affected product: Securecomputing Snapgear Sg560 Firmware
Published: 2026-01-06
Last modified: 2026-06-17

Description

SnapGear Management Console SG560 3.1.5 contains a file manipulation vulnerability that allows authenticated users to read, write, and delete files using the edit_config_files CGI script. Attackers can manipulate POST request parameters in /cgi-bin/cgix/edit_config_files to access and modify files outside the intended /etc/config/ directory.

Frequently asked questions

What is CVE-2020-36909?: SnapGear Management Console SG560 3.1.5 contains a file manipulation vulnerability that allows authenticated users to read, write, and delete files using the edit_config_files CGI script. Attackers can manipulate POST request parameters in /cgi-bin/cgix/edit_config_files to access and modify files outside the intended /etc/config/ directory.
How severe is CVE-2020-36909?: CVE-2020-36909 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-36909 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-36909?: CVE-2020-36909 affects Securecomputing Snapgear Sg560 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-36909?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2020-36909 have an EU (EUVD) identifier?: Yes. CVE-2020-36909 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1029.
When was CVE-2020-36909 published?: CVE-2020-36909 was published on 2026-01-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:securecomputing:snapgear_sg560_firmware:3.1.5:*:*:*:*:*:*:*

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