How severe is CVE-2022-44039?

CVE-2022-44039 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-2022-44039 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-44039?

CVE-2022-44039 affects Franklinfueling Colibri Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-44039?

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-2022-44039 published?

CVE-2022-44039 was published on 2022-12-05 and last updated on 2026-06-17.

CVE-2022-44039

CVE-2022-44039 is a critical-severity vulnerability in Franklinfueling Colibri Firmware 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. The underlying weakness is classified as CWE-863.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Franklinfueling Colibri Firmware
Published: 2022-12-05
Last modified: 2026-06-17

Description

Franklin Fueling System FFS Colibri 1.9.22.8925 is affected by: File system overwrite. The impact is: File system rewrite (remote). ¶¶ An attacker can overwrite system files like [system.conf] and [passwd], this occurs because the insecure usage of "fopen" system function with the mode "wb" which allows overwriting file if exists. Overwriting files such as passwd, allows an attacker to escalate his privileges by planting backdoor user with root privilege or change root password.

Frequently asked questions

What is CVE-2022-44039?: Franklin Fueling System FFS Colibri 1.9.22.8925 is affected by: File system overwrite. The impact is: File system rewrite (remote). ¶¶ An attacker can overwrite system files like [system.conf] and [passwd], this occurs because the insecure usage of "fopen" system function with the mode "wb" which allows overwriting file if exists. Overwriting files such as passwd, allows an attacker to escalate his privileges by planting backdoor user with root privilege or change root password.
How severe is CVE-2022-44039?: CVE-2022-44039 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-2022-44039 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-44039?: CVE-2022-44039 affects Franklinfueling Colibri Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-44039?: 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-2022-44039 published?: CVE-2022-44039 was published on 2022-12-05 and last updated on 2026-06-17.

References

https://pastebin.com/raw/64stbsWu

Affected products (1)

cpe:2.3:o:franklinfueling:colibri_firmware:1.9.22.8925:*:*:*:*:*:*:*

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