How severe is CVE-2019-9648?

CVE-2019-9648 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2019-9648 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-9648?

CVE-2019-9648 affects Coreftp Core Ftp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-9648?

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

When was CVE-2019-9648 published?

CVE-2019-9648 was published on 2019-03-22 and last updated on 2026-06-17.

CVE-2019-9648

CVE-2019-9648 is a medium-severity vulnerability in Coreftp Core Ftp with a CVSS 3.x base score of 5.3. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 14% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Coreftp Core Ftp
Published: 2019-03-22
Last modified: 2026-06-17

Description

An issue was discovered in the SFTP Server component in Core FTP 2.0 Build 674. A directory traversal vulnerability exists using the SIZE command along with a \..\..\ substring, allowing an attacker to enumerate file existence based on the returned information.

Frequently asked questions

What is CVE-2019-9648?: An issue was discovered in the SFTP Server component in Core FTP 2.0 Build 674. A directory traversal vulnerability exists using the SIZE command along with a \..\..\ substring, allowing an attacker to enumerate file existence based on the returned information.
How severe is CVE-2019-9648?: CVE-2019-9648 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2019-9648 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-9648?: CVE-2019-9648 affects Coreftp Core Ftp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-9648?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-9648 published?: CVE-2019-9648 was published on 2019-03-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:coreftp:core_ftp:2.0:*:*:*:*:*:*:*

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