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CVE-2009-4177
Buffer overflow in webappmon.exe in HP OpenView Network Node Manager (OV NNM) 7.01, 7.51, and 7.53 allows remote attackers to execute…
- 10.0HighCVSS base score
- 13.5%Exploitation in 30 daysEPSS · top 3.5% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Buffer overflow in webappmon.exe in HP OpenView Network Node Manager (OV NNM) 7.01, 7.51, and 7.53 allows remote attackers to execute arbitrary code via a long HTTP Host header.
Timeline
ID reserved
By hp
- 7 days later
· 7 days later
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 | High10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 13.5% · top 3.5% of all CVEs (11 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 10.0.
Affected products
n/a
- affected n/a
References
References6
- SSRT090132 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- 37261 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 20091209 TPTI-09-10: HP OpenView NNM webappmon.exe CGI Host Header Buffer Overflow Vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- SSRT090257 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- hp-ovnnm-webappmon-bo(54661) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://dvlabs.tippingpoint.com/advisory/TPTI-09-10 (opens in a new tab)x_refsource_MISCx_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-2009-4147 (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-2009-4177)Record last updated .