Security readout for executives and security teams
A very old flaw in HP OpenView OmniBack 2.55 lets a remote attacker crash or hang the backup service by opening a flood of connections to network port 5555. The impact is a temporary disruption of backup operations, not data theft. If any legacy OmniBack 2.55 systems still exist in the environment, they should be upgraded or isolated. Extremely limited in 2026. OmniBack 2.55 is late-1990s software long superseded by HP Data Protector and later Micro Focus/OpenText releases. Exposure only exists on unmaintained legacy backup servers with TCP/5555 reachable from untrusted networks. Very low priority in a modern environment. Only material if a legacy OmniBack 2.55 server remains in production; in that case, the underlying obsolescence is a larger risk than this specific denial-of-service bug. Mitigation focus: Inventory for any HP OpenView OmniBack 2.55 instances and plan decommission or upgrade to a supported backup product.; Restrict inbound access to TCP port 5555 to trusted backup network segments only.; Review HP advisory HPSBUX0006-115 for vendor-supplied patch or workaround guidance..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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CVE-2000-0179 mapping review
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Open ATT&CK lookup- Severity
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- CVSS
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- Known Exploited
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CNA and ADP enrichment extracted from CVE v5
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Source materials
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