THREATPORT/VULNERABILITY/CVE-2009-0921
HIGH SEVERITY

CVE-2009-0921

Network Node Manager vulnerability

CVSS
10.0
EPSS
13.2%
EPSS pct
96th
Exploited
No known
Multiple heap-based buffer overflows in OvCgi/Toolbar.exe in HP OpenView Network Node Manager (OV NNM) 7.01, 7.51, and 7.53 allow remote attackers to execute arbitrary code via (1) a long OvAcceptLang cookie, which triggers the error in ov.dll and ovwww.dll, or (2) a long Accept-Language HTTP header, which triggers the error in ovwww.dll or libovwww.so.4.
Affected vendor
Hp
Affected product
Network Node Manager
CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2009-03-25

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 13.2% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2009-0921

  • Confirm whether Hp Network Node Manager is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2009-0921.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-0921

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-0921 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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