How severe is CVE-2020-7227?

CVE-2020-7227 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-2020-7227 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7227?

CVE-2020-7227 primarily affects Westermo Mrd-315 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-7227?

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

When was CVE-2020-7227 published?

CVE-2020-7227 was published on 2020-01-18 and last updated on 2026-06-17.

CVE-2020-7227

CVE-2020-7227 is a medium-severity vulnerability in Westermo Mrd-315 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.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Westermo Mrd-315 Firmware
Published: 2020-01-18
Last modified: 2026-06-17

Description

Westermo MRD-315 1.7.3 and 1.7.4 devices have an information disclosure vulnerability that allows an authenticated remote attacker to retrieve the source code of different functions of the web application via requests that lack certain mandatory parameters. This affects ifaces-diag.asp, system.asp, backup.asp, sys-power.asp, ifaces-wls.asp, ifaces-wls-pkt.asp, and ifaces-wls-pkt-adv.asp.

Frequently asked questions

What is CVE-2020-7227?: Westermo MRD-315 1.7.3 and 1.7.4 devices have an information disclosure vulnerability that allows an authenticated remote attacker to retrieve the source code of different functions of the web application via requests that lack certain mandatory parameters. This affects ifaces-diag.asp, system.asp, backup.asp, sys-power.asp, ifaces-wls.asp, ifaces-wls-pkt.asp, and ifaces-wls-pkt-adv.asp.
How severe is CVE-2020-7227?: CVE-2020-7227 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-2020-7227 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7227?: CVE-2020-7227 primarily affects Westermo Mrd-315 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-7227?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-7227 published?: CVE-2020-7227 was published on 2020-01-18 and last updated on 2026-06-17.

References

https://sku11army.blogspot.com/2020/01/westermo-source-code-disclousure-in.html

Affected products (2)

cpe:2.3:o:westermo:mrd-315_firmware:1.7.3:*:*:*:*:*:*:*
cpe:2.3:o:westermo:mrd-315_firmware:1.7.4:*:*:*:*:*:*:*