How severe is CVE-2023-6309?

CVE-2023-6309 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-6309 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-6309?

CVE-2023-6309 affects Moses-smt Mosesdecoder. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-6309?

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

When was CVE-2023-6309 published?

CVE-2023-6309 was published on 2023-11-27 and last updated on 2026-06-17.

CVE-2023-6309

CVE-2023-6309 is a medium-severity vulnerability in Moses-smt Mosesdecoder with a CVSS 3.x base score of 5.5. 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: Medium (CVSS 3.x base score 5.5)
CVSS v2: 5.2
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Moses-smt Mosesdecoder
Published: 2023-11-27
Last modified: 2026-06-17

Description

A vulnerability, which was classified as critical, was found in moses-smt mosesdecoder up to 4.0. This affects an unknown part of the file contrib/iSenWeb/trans_result.php. The manipulation of the argument input1 leads to os command injection. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-246135.

Frequently asked questions

What is CVE-2023-6309?: A vulnerability, which was classified as critical, was found in moses-smt mosesdecoder up to 4.0. This affects an unknown part of the file contrib/iSenWeb/trans_result.php. The manipulation of the argument input1 leads to os command injection. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-246135.
How severe is CVE-2023-6309?: CVE-2023-6309 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-6309 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6309?: CVE-2023-6309 affects Moses-smt Mosesdecoder. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-6309?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-6309 published?: CVE-2023-6309 was published on 2023-11-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:moses-smt:mosesdecoder:*:*:*:*:*:*:*:*

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