CVE-1999-1577
28Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendepss 19%
from disclosure to weapon0 days
Published on NVDApr 21
1st PoCSep 27
exploitation probability
19%top 3% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
Buffer overflow in HHOpen ActiveX control (hhopen.ocx) 1.0.0.1 for Internet Explorer 4.01 and 5 allows remote attackers to execute arbitrary commands via long arguments to the OpenHelp method.
Affected products
n/a · n/apublic PoCs found — 1✓ VexDay Proof
exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/19521⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.