How severe is CVE-2022-22836?

CVE-2022-22836 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2022-22836 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-22836?

CVE-2022-22836 primarily affects Coreftp Core Ftp. In total, 40 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-22836?

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

When was CVE-2022-22836 published?

CVE-2022-22836 was published on 2022-01-10 and last updated on 2026-06-17.

CVE-2022-22836

CVE-2022-22836 is a medium-severity vulnerability in Coreftp Core Ftp with a CVSS 3.x base score of 6.5. 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-22.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Coreftp Core Ftp
Published: 2022-01-10
Last modified: 2026-06-17

Description

CoreFTP Server before 727 allows directory traversal (for file creation) by an authenticated attacker via ../ in an HTTP PUT request.

Frequently asked questions

What is CVE-2022-22836?: CoreFTP Server before 727 allows directory traversal (for file creation) by an authenticated attacker via ../ in an HTTP PUT request.
How severe is CVE-2022-22836?: CVE-2022-22836 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2022-22836 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-22836?: CVE-2022-22836 primarily affects Coreftp Core Ftp. In total, 40 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-22836?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-22836 published?: CVE-2022-22836 was published on 2022-01-10 and last updated on 2026-06-17.

References

Affected products (40)

cpe:2.3:a:coreftp:core_ftp:*:*:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_639:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_640:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_641:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_642:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_645:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_647:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_649:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_651:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_653:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_655:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_656:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_657:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_658:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_659:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_665:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_667:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_668:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_671:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_673:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_674:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_676:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_677:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_679:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_682:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_687:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_689:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_691:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_694:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_695:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_697:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_699:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_702:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_704:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_705:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_711:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_713:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_715:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_719:*:*:*:*:*:*
cpe:2.3:a:coreftp:core_ftp:2.0:build_725:*:*:*:*:*:*

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