How severe is CVE-2023-48379?

CVE-2023-48379 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-2023-48379 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-48379?

CVE-2023-48379 affects Softnext Mail Sqr Expert. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-48379?

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

When was CVE-2023-48379 published?

CVE-2023-48379 was published on 2023-12-15 and last updated on 2026-06-17.

CVE-2023-48379

CVE-2023-48379 is a medium-severity vulnerability in Softnext Mail Sqr Expert 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)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Softnext Mail Sqr Expert
Published: 2023-12-15
Last modified: 2026-06-17

Description

Softnext Mail SQR Expert is an email management platform, it has inadequate filtering for a specific URL parameter within a specific function. An unauthenticated remote attacker can perform Blind SSRF attack to discover internal network topology base on URL error response.

Frequently asked questions

What is CVE-2023-48379?: Softnext Mail SQR Expert is an email management platform, it has inadequate filtering for a specific URL parameter within a specific function. An unauthenticated remote attacker can perform Blind SSRF attack to discover internal network topology base on URL error response.
How severe is CVE-2023-48379?: CVE-2023-48379 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-2023-48379 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-48379?: CVE-2023-48379 affects Softnext Mail Sqr Expert. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-48379?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-48379 published?: CVE-2023-48379 was published on 2023-12-15 and last updated on 2026-06-17.

References

https://www.twcert.org.tw/tw/cp-132-7597-fff54-1.html

Affected products (1)

cpe:2.3:a:softnext:mail_sqr_expert:*:*:*:*:*:*:*:*

More vulnerabilities in Softnext Mail Sqr Expert

CVE-2022-40741 — Critical (CVSS 9.8): Mail SQR Expert’s specific function has insufficient filtering for special characters. An unauthenticated remote…
CVE-2023-48378 — High (CVSS 7.5): Softnext Mail SQR Expert has a path traversal vulnerability within its parameter in a specific URL. An unauthenticated…
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