How severe is CVE-2023-6599?

CVE-2023-6599 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-6599 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-2023-6599?

CVE-2023-6599 affects Microweber. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-6599?

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

When was CVE-2023-6599 published?

CVE-2023-6599 was published on 2023-12-08 and last updated on 2026-06-17.

CVE-2023-6599

CVE-2023-6599 is a medium-severity vulnerability in Microweber with a CVSS 3.x base score of 4.3. 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-755.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-755
Affected product: Microweber
Published: 2023-12-08
Last modified: 2026-06-17

Description

Missing Standardized Error Handling Mechanism in GitHub repository microweber/microweber prior to 2.0.

Frequently asked questions

What is CVE-2023-6599?: Missing Standardized Error Handling Mechanism in GitHub repository microweber/microweber prior to 2.0.
How severe is CVE-2023-6599?: CVE-2023-6599 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-6599 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-2023-6599?: CVE-2023-6599 affects Microweber. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-6599?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-6599 published?: CVE-2023-6599 was published on 2023-12-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microweber:microweber:*:*:*:*:*:*:*:*

More vulnerabilities in Microweber

CVE-2023-1877 — Critical (CVSS 9.8): Command Injection in GitHub repository microweber/microweber prior to 1.3.3.
CVE-2022-0895 — Critical (CVSS 9.8): Static Code Injection in GitHub repository microweber/microweber prior to 1.3.
CVE-2020-23138 — Critical (CVSS 9.8): An unrestricted file upload vulnerability was discovered in the Microweber 1.1.18 admin account page. An attacker can…
CVE-2023-49052 — High (CVSS 8.8): File Upload vulnerability in Microweber v.2.0.4 allows a remote attacker to execute arbitrary code via a crafted script…
CVE-2023-2240 — High (CVSS 8.8): Improper Privilege Management in GitHub repository microweber/microweber prior to 1.3.4.
CVE-2022-33012 — High (CVSS 8.8): Microweber v1.2.15 was discovered to allow attackers to perform an account takeover via a host header injection attack.

All CVEs affecting Microweber →

Other CWE-755 (Improper Handling of Exceptional Conditions) vulnerabilities

CVE-2025-34193 — Critical (CVSS 9.8): Vasion Print (formerly PrinterLogic) Virtual Appliance Host versions prior to 25.1.102 and Application versions prior…
CVE-2025-10156 — Critical (CVSS 9.8): An Improper Handling of Exceptional Conditions vulnerability in the ZIP archive scanning component of mmaitre314…
CVE-2021-42142 — Critical (CVSS 9.8): An issue was discovered in Contiki-NG tinyDTLS through master branch 53a0d97. DTLS servers mishandle the early use of a…
CVE-2021-42141 — Critical (CVSS 9.8): An issue was discovered in Contiki-NG tinyDTLS through 2018-08-30. One incorrect handshake could complete with…
CVE-2023-38406 — Critical (CVSS 9.8): bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a "flowspec overflow."
CVE-2022-23121 — Critical (CVSS 9.8): This vulnerability allows remote attackers to execute arbitrary code on affected installations of Netatalk.…

Browse all CWE-755 (Improper Handling of Exceptional Conditions) vulnerabilities →