CVE-2006-6076

CRITICAL ⚠ Exploit

Buffer overflow in the Tape Engine (tapeeng.exe) in CA (formerly Computer Associates) BrightStor ARCserve Backup 11.5 and earlier allows remote attackers to execute arbitrary code via certain RPC r...

Affects 3 products across 2 vendors.

BCS8.98
CVSS 2.010.0
EPSS70.2%
Percentile99th
PatchPatched
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
◆ SAGE Intelligence — CITED Relevance Research Team

A critical buffer overflow vulnerability exists in the Tape Engine (tapeeng.exe) of CA BrightStor ARCserve Backup 11.5 and earlier versions, allowing remote attackers to execute arbitrary code through specific RPC requests to TCP port 6502.

BSID: BS-2006-GLOBAL-172033-C • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

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Frequently Asked Questions
What is CVE-2006-6076?
A critical buffer overflow vulnerability exists in the Tape Engine (tapeeng.exe) of CA BrightStor ARCserve Backup 11.5 and earlier versions, allowing remote attackers to execute arbitrary code through specific RPC requests to TCP port 6502.
What is the CVSS score for CVE-2006-6076?
CVE-2006-6076 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 70.2%.
Is CVE-2006-6076 actively exploited?
Public exploit available for CVE-2006-6076. Exploitation risk elevated.
How do I remediate CVE-2006-6076?
Priority: IMMEDIATE. Advisory: http://secunia.com/advisories/23060 PSIRT: [email protected]
What systems are affected by CVE-2006-6076?
CVE-2006-6076 affects: Broadcom, Ca, Ca.
Vulnerability Details
CVE IDCVE-2006-6076
BSIDBS-2006-GLOBAL-172033-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published2006-11-24
Last Modified2026-04-23
ICS Relevance0%
SourceNVD
Official Description

Buffer overflow in the Tape Engine (tapeeng.exe) in CA (formerly Computer Associates) BrightStor ARCserve Backup 11.5 and earlier allows remote attackers to execute arbitrary code via certain RPC requests to TCP port 6502.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

The vulnerability is triggered by sending specially crafted RPC requests to the Tape Engine service on TCP port 6502. This can lead to a buffer overflow, enabling an attacker to execute arbitrary code with the privileges of the service.

Exploitation Likelihood: CRITICAL

Affected Products
VendorProductFixed Version
Broadcom Brightstor Arcserve Backup —
Ca Brightstor Arcserve Backup —
Ca Brightstor Arcserve Backup Agent —
Remediation
View Vendor Advisory →

Remediation Priority: IMMEDIATE

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: August 2026 | Threat Age: 7192 Days
CISA KEVNot in KEV catalog
Public Exploit⚠ Available — Reference
PoC CodeNot confirmed
SAGE Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceHIGH
Enriched At2026-05-24
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