CVE-2022-28998
Published: 23 May 2022
Summary
CVE-2022-28998 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Xlightftpd Xlight Ftp. Its CVSS base score is 8.1 (High).
Operationally, ranked in the top 30.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
Xlight FTP version 3.9.3.2 contains a stack-based buffer overflow vulnerability tracked as CVE-2022-28998 and assigned CWE-787. The flaw resides in the FTP server component and received a CVSS 3.1 score of 8.1, reflecting network attack vector, low attack complexity, and low privileges required.
An authenticated remote attacker can send specially crafted input to trigger the overflow, resulting in disclosure of sensitive information along with high impact to confidentiality and availability. Public proof-of-concept materials, including Packet Storm entries and demonstration videos, illustrate how the overflow can be reached over the network without user interaction.
The associated EPSS score remained low after the May 2022 disclosure but rose sharply to a peak of 0.1790 on 2025-01-22 before receding to the current value of 0.0057, indicating a period of increased exploitation interest well after initial publication. No official vendor advisories or patches appear among the listed references.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-33428
Vulnerability details
Xlight FTP v3.9.3.2 was discovered to contain a stack-based buffer overflow which allows attackers to leak sensitive information via crafted code.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.