CVE-2023-4494
CVE-2023-4494 is a critical-severity vulnerability in Easy Chat Server Project Easy Chat Server 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-119.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (55th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Easy Chat Server Project Easy Chat Server
- Published:
- Last modified:
Description
Stack-based buffer overflow vulnerability in Easy Chat Server 3.1 version. An attacker could send an excessively long username string to the register.ghp file asking for the name via a GET request resulting in arbitrary code execution on the remote machine.
Frequently asked questions
- What is CVE-2023-4494?
- Stack-based buffer overflow vulnerability in Easy Chat Server 3.1 version. An attacker could send an excessively long username string to the register.ghp file asking for the name via a GET request resulting in arbitrary code execution on the remote machine.
- How severe is CVE-2023-4494?
- CVE-2023-4494 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-2023-4494 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-4494?
- CVE-2023-4494 affects Easy Chat Server Project Easy Chat Server. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-4494?
- 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-2023-4494 published?
- CVE-2023-4494 was published on 2023-10-04 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:easy_chat_server_project:easy_chat_server:3.1:*:*:*:*:*:*:*
More vulnerabilities in Easy Chat Server Project Easy Chat Server
- CVE-2023-4497 — Medium (CVSS 6.1): Easy Chat Server, in its 3.1 version and before, does not sufficiently encrypt user-controlled inputs, resulting in a…
- CVE-2023-4496 — Medium (CVSS 6.1): Easy Chat Server, in its 3.1 version and before, does not sufficiently encrypt user-controlled inputs, resulting in a…
- CVE-2023-4495 — Medium (CVSS 6.1): Easy Chat Server, in its 3.1 version and before, does not sufficiently encrypt user-controlled inputs, resulting in a…
- CVE-2024-0695 — Medium (CVSS 4.3): A vulnerability, which was classified as problematic, has been found in EFS Easy Chat Server 3.1. Affected by this…
All CVEs affecting Easy Chat Server Project Easy Chat Server →
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