How severe is CVE-2023-39150?

CVE-2023-39150 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-39150 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39150?

CVE-2023-39150 affects Maximus5 Conemu. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39150?

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

When was CVE-2023-39150 published?

CVE-2023-39150 was published on 2023-09-12 and last updated on 2026-06-17.

CVE-2023-39150

CVE-2023-39150 is a critical-severity vulnerability in Maximus5 Conemu with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Maximus5 Conemu
Published: 2023-09-12
Last modified: 2026-06-17

Description

ConEmu before commit 230724 does not sanitize title responses correctly for control characters, potentially leading to arbitrary code execution. This is related to an incomplete fix for CVE-2022-46387.

Frequently asked questions

What is CVE-2023-39150?: ConEmu before commit 230724 does not sanitize title responses correctly for control characters, potentially leading to arbitrary code execution. This is related to an incomplete fix for CVE-2022-46387.
How severe is CVE-2023-39150?: CVE-2023-39150 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-39150 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39150?: CVE-2023-39150 affects Maximus5 Conemu. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39150?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-39150 published?: CVE-2023-39150 was published on 2023-09-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:maximus5:conemu:*:*:*:*:*:*:*:*

More vulnerabilities in Maximus5 Conemu

CVE-2022-46387 — Critical (CVSS 9.8): ConEmu through 220807 and Cmder before 1.3.21 report the title of the terminal, including control characters, which…

All CVEs affecting Maximus5 Conemu →