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Fencer Vulns
critical 9.3

CVE-2008-1647 json

The ChilkatHttp.ChilkatHttp.1 and ChilkatHttp.ChilkatHttpRequest.1 ActiveX controls in ChilkatHttp.dll 2.4.0.0, 2.3.0.0, and earlier in Chi…

published 2008-04-02 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-1648

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
7.0%
EPSS 7.0% chance of exploitation in 30 days, percentile 94%
public exploits
2
Exploit-DB

Summary

The ChilkatHttp.ChilkatHttp.1 and ChilkatHttp.ChilkatHttpRequest.1 ActiveX controls in ChilkatHttp.dll 2.4.0.0, 2.3.0.0, and earlier in ChilkatHttp ActiveX expose the unsafe SaveLastError method, which allows remote attackers to overwrite arbitrary files. NOTE: some of these details are obtained from third party information.

Timeline

  1. First public exploit (EDB-5338)
  2. Published

Exploit prediction

7.01% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-7594 Chilkat FTP - ActiveX (SaveLastError) Insecure Method remote, 2008-12-28
  • EDB-5338 ChilkatHttp ActiveX 2.3 - Arbitrary Files Overwrite remote, 2008-04-01
  • securityfocus.com http://www.securityfocus.com/bid/28546 referenced PoC, tagged "exploit" by a source, unverified
  • shinnai.altervista.org http://www.shinnai.altervista.org/index.php?mod=02_Forum&group=Security&argument=Remote_performed_exploits&topic=1207033569.ff.php referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.