CVE-2009-4114
kl1.sys in Kaspersky Anti-Virus 2010 9.0.0.463, and possibly other versions before 9.0.0.736, does not properly validate input to IOCTL…
- 4.9MediumCVSS base score
- 0.83%Exploitation in 30 daysEPSS · top 42% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
kl1.sys in Kaspersky Anti-Virus 2010 9.0.0.463, and possibly other versions before 9.0.0.736, does not properly validate input to IOCTL 0x0022c008, which allows local users to cause a denial of service (system crash) via IOCTL requests using crafted kernel addresses that trigger memory corruption, possibly related to klavemu.kdl.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it.
Show the exploits1
Exploit-DB1 entry
- Kaspersky AV 2010 9.0.0.463 - Local Denial of Service (Exploit-DB entry) (opens in a new tab)
EDB-ID 10164dos, windowspublished 29 Sept 2009Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
Published
- 15 years later
· 15 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.9 | AV:L/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 0.83% · top 42% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.9.
Affected products
n/a
- affected n/a
References
References8
- http://sysdream.com/article.php?story_id=323§ion_id=78 (opens in a new tab)x_refsource_MISCx_transferred
- ADV-2009-3286 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 60207 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 20091117 Kaspersky Anti-Virus 2010 <= 9.0.0.463 pointer dereference vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 1023198 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- kaspersky-kl1-privilege-escalation(54309) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 37044 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 37398 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2009-4085 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2009-4114)Record last updated .