Stack-based buffer overflow in magentservice.exe in the server in HP LoadRunner 11.00 before patch 4 allows remote attackers to execute arbitrary code via a crafted size value in a packet. NOTE: it was originally reported that the affected product is HP Diagnostics Server, but HP states that "the vulnerable product is actually HP LoadRunner."
CVE-2011-4789
- High exploitation likelihood — EPSS 65%
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 99.1%
- KEV
- Not listed
Published
January 13, 2012
Last Modified
April 29, 2026
References (8)
- hp-security-alert@hphttp://h20565.www2.hp.com/portal/site/hpsc/public/kb/docDisplay/?docId=emr_na-c03216705
- hp-security-alert@hphttp://osvdb.org/78309
- hp-security-alert@hphttp://www.securityfocus.com/bid/51398
- hp-security-alert@hphttp://zerodayinitiative.com/advisories/ZDI-12-016/
- af854a3a-2127-422b-91ae-364da2661108http://h20565.www2.hp.com/portal/site/hpsc/public/kb/docDisplay/?docId=emr_na-c03216705
- af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/78309
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/51398
- af854a3a-2127-422b-91ae-364da2661108http://zerodayinitiative.com/advisories/ZDI-12-016/
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 4× in last 7d / 28× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-06 16:23 UTCEPSS rescore
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- 2026-05-29 05:48 UTCEG score recompute
- 2026-05-29 05:48 UTCGHSA enrichment
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- 2026-05-18 21:29 UTCEPSS rescore
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Publicly available exploits
(2 references)Working exploit code is in the public domain (1 Metasploit module) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-18423✓ verifiedFirst seen Jan 27, 2012
HP Diagnostics Server - 'magentservice.exe' Remote Overflow (Metasploit)
Open source ↗ - Metasploitexploit/windows/misc/hp_magentservice✓ verifiedFirst seen Jan 12, 2012
HP Diagnostics Server magentservice.exe Overflow
Open source ↗
Related CVEs(same CWE)
Same CWE
10 shownCWE-119
Frequently asked(4)
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Dependency Blast Radius
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