How severe is CVE-2026-33613?

CVE-2026-33613 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-33613 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-33613?

CVE-2026-33613 primarily affects Mbconnectline Mbconnect24. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-33613?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-33613 have an EU (EUVD) identifier?

Yes. CVE-2026-33613 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18173.

When was CVE-2026-33613 published?

CVE-2026-33613 was published on 2026-04-02 and last updated on 2026-06-17.

CVE-2026-33613

CVE-2026-33613 is a high-severity vulnerability in Mbconnectline Mbconnect24 with a CVSS 3.x base score of 7.2. 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-78.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-18173
Weakness: CWE-78
Affected product: Mbconnectline Mbconnect24
Published: 2026-04-02
Last modified: 2026-06-17

Description

Due to the improper neutralisation of special elements used in an OS command, a remote attacker can exploit an RCE vulnerability in the generateSrpArray function, resulting in full system compromise. This vulnerability can only be attacked if the attacker has some other way to write arbitrary data to the user table.

Frequently asked questions

What is CVE-2026-33613?: Due to the improper neutralisation of special elements used in an OS command, a remote attacker can exploit an RCE vulnerability in the generateSrpArray function, resulting in full system compromise. This vulnerability can only be attacked if the attacker has some other way to write arbitrary data to the user table.
How severe is CVE-2026-33613?: CVE-2026-33613 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-33613 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-33613?: CVE-2026-33613 primarily affects Mbconnectline Mbconnect24. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-33613?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-33613 have an EU (EUVD) identifier?: Yes. CVE-2026-33613 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18173.
When was CVE-2026-33613 published?: CVE-2026-33613 was published on 2026-04-02 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:mbconnectline:mbconnect24:*:*:*:*:*:*:*:*
cpe:2.3:a:mbconnectline:mymbconnect24:*:*:*:*:*:*:*:*

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