How severe is CVE-2023-37657?

CVE-2023-37657 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-37657 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-37657?

CVE-2023-37657 affects Lm21 Twonav. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-37657?

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

When was CVE-2023-37657 published?

CVE-2023-37657 was published on 2023-07-11 and last updated on 2026-06-17.

CVE-2023-37657

CVE-2023-37657 is a medium-severity vulnerability in Lm21 Twonav with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Lm21 Twonav
Published: 2023-07-11
Last modified: 2026-06-17

Description

TwoNav v2.0.28-20230624 is vulnerable to Cross Site Scripting (XSS).

Frequently asked questions

What is CVE-2023-37657?: TwoNav v2.0.28-20230624 is vulnerable to Cross Site Scripting (XSS).
How severe is CVE-2023-37657?: CVE-2023-37657 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-37657 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-37657?: CVE-2023-37657 affects Lm21 Twonav. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-37657?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-37657 published?: CVE-2023-37657 was published on 2023-07-11 and last updated on 2026-06-17.

References

https://github.com/tznb1/TwoNav/issues/3

Affected products (1)

cpe:2.3:a:lm21:twonav:2.0.28-20230624:*:*:*:*:*:*:*

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