CVE-2012-5049
APIFTP Server in Optimalog Optima PLC 1.5.2 and earlier allows remote attackers to cause a denial of service (infinite loop) via a malformed packet.
Does this matter?
A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 3.4%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.
Description
APIFTP Server in Optimalog Optima PLC 1.5.2 and earlier allows remote attackers to cause a denial of service (infinite loop) via a malformed packet.
- CVSS 2.0
- 7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
- EPSS
- 3.43% probability · 89th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 14 November 2011
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- optimalog/optima plc
- Source
- cve@mitre.org
EPSS 3.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.