How severe is CVE-2022-38337?

CVE-2022-38337 has a CVSS 3.x base score of 9.1, 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 none, and availability high.

Is CVE-2022-38337 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-38337?

CVE-2022-38337 affects Mobatek Mobaxterm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-38337?

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-2022-38337 published?

CVE-2022-38337 was published on 2022-12-06 and last updated on 2026-06-17.

CVE-2022-38337

CVE-2022-38337 is a critical-severity vulnerability in Mobatek Mobaxterm with a CVSS 3.x base score of 9.1. 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-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Mobatek Mobaxterm
Published: 2022-12-06
Last modified: 2026-06-17

Description

When aborting a SFTP connection, MobaXterm before v22.1 sends a hardcoded password to the server. The server treats this as an invalid login attempt which can result in a Denial of Service (DoS) for the user if services like fail2ban are used.

Frequently asked questions

What is CVE-2022-38337?: When aborting a SFTP connection, MobaXterm before v22.1 sends a hardcoded password to the server. The server treats this as an invalid login attempt which can result in a Denial of Service (DoS) for the user if services like fail2ban are used.
How severe is CVE-2022-38337?: CVE-2022-38337 has a CVSS 3.x base score of 9.1, 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 none, and availability high.
Is CVE-2022-38337 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-38337?: CVE-2022-38337 affects Mobatek Mobaxterm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-38337?: 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-2022-38337 published?: CVE-2022-38337 was published on 2022-12-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mobatek:mobaxterm:*:*:*:*:*:*:*:*

More vulnerabilities in Mobatek Mobaxterm

CVE-2019-7690 — Critical (CVSS 9.8): In MobaTek MobaXterm Personal Edition v11.1 Build 3860, the SSH private key and its password can be retrieved from…
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CVE-2019-16305 — High (CVSS 8.8): In MobaXterm 11.1 and 12.1, the protocol handler is vulnerable to command injection. A crafted link can trigger a popup…
CVE-2019-13475 — High (CVSS 8.8): In MobaXterm 11.1, the mobaxterm: URI handler has an argument injection vulnerability that allows remote attackers to…
CVE-2022-38336 — High (CVSS 8.1): An access control issue in MobaXterm before v22.1 allows attackers to make connections to the server via the SSH or…
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