How severe is CVE-2023-43617?

CVE-2023-43617 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-2023-43617 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-43617?

CVE-2023-43617 affects Schollz Croc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-43617?

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

When was CVE-2023-43617 published?

CVE-2023-43617 was published on 2023-09-20 and last updated on 2026-06-17.

CVE-2023-43617

CVE-2023-43617 is a medium-severity vulnerability in Schollz Croc with a CVSS 3.x base score of 5.3. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Schollz Croc
Published: 2023-09-20
Last modified: 2026-06-17

Description

An issue was discovered in Croc through 9.6.5. When a custom shared secret is used, the sender and receiver may divulge parts of this secret to an untrusted Relay, as part of composing a room name.

Frequently asked questions

What is CVE-2023-43617?: An issue was discovered in Croc through 9.6.5. When a custom shared secret is used, the sender and receiver may divulge parts of this secret to an untrusted Relay, as part of composing a room name.
How severe is CVE-2023-43617?: CVE-2023-43617 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-2023-43617 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-43617?: CVE-2023-43617 affects Schollz Croc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-43617?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-43617 published?: CVE-2023-43617 was published on 2023-09-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:schollz:croc:*:*:*:*:*:*:*:*

More vulnerabilities in Schollz Croc

CVE-2023-43620 — High (CVSS 7.8): An issue was discovered in Croc through 9.6.5. A sender may place ANSI or CSI escape sequences in a filename to attack…
CVE-2023-43619 — High (CVSS 7.8): An issue was discovered in Croc through 9.6.5. A sender may send dangerous new files to a receiver, such as executable…
CVE-2023-43616 — Medium (CVSS 5.5): An issue was discovered in Croc through 9.6.5. A sender can cause a receiver to overwrite files during ZIP extraction.
CVE-2023-43618 — Medium (CVSS 5.3): An issue was discovered in Croc through 9.6.5. The protocol requires a sender to provide its local IP addresses in…
CVE-2023-43621 — Medium (CVSS 4.7): An issue was discovered in Croc through 9.6.5. The shared secret, located on a command line, can be read by local users…

All CVEs affecting Schollz Croc →

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