How severe is CVE-2024-25003?

CVE-2024-25003 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-25003 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-25003?

CVE-2024-25003 affects 9bis Kitty. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-25003?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-25003 have an EU (EUVD) identifier?

Yes. CVE-2024-25003 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-22365.

When was CVE-2024-25003 published?

CVE-2024-25003 was published on 2024-02-09 and last updated on 2026-06-17.

CVE-2024-25003

CVE-2024-25003 is a high-severity vulnerability in 9bis Kitty with a CVSS 3.x base score of 7.8. 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-22365
Weakness: CWE-787
Affected product: 9bis Kitty
Published: 2024-02-09
Last modified: 2026-06-17

Description

KiTTY versions 0.76.1.13 and before is vulnerable to a stack-based buffer overflow via the hostname, occurs due to insufficient bounds checking and input sanitization. This allows an attacker to overwrite adjacent memory, which leads to arbitrary code execution.

Frequently asked questions

What is CVE-2024-25003?: KiTTY versions 0.76.1.13 and before is vulnerable to a stack-based buffer overflow via the hostname, occurs due to insufficient bounds checking and input sanitization. This allows an attacker to overwrite adjacent memory, which leads to arbitrary code execution.
How severe is CVE-2024-25003?: CVE-2024-25003 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-25003 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-25003?: CVE-2024-25003 affects 9bis Kitty. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-25003?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-25003 have an EU (EUVD) identifier?: Yes. CVE-2024-25003 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-22365.
When was CVE-2024-25003 published?: CVE-2024-25003 was published on 2024-02-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:9bis:kitty:*:*:*:*:*:windows:*:*

More vulnerabilities in 9bis Kitty

CVE-2016-2563 — Critical (CVSS 9.8): Stack-based buffer overflow in the SCP command-line utility in PuTTY before 0.67 and KiTTY 0.66.6.3 and earlier allows…
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