Which products and versions are affected by CVE-2006-6076?

Affected: Brightstor Arcserve Backup (Broadcom) versions 11.1, 11.5-sp1, 11; Brightstor Arcserve Backup Agent (Ca) versions 11.0, 11.1. The full list is in the CVE brief.

Is CVE-2006-6076 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2006-6076 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2006-6076?

Public exploit code is available.

Is there a fix for CVE-2006-6076?

Fixed versions are available, including Brightstor Arcserve Backup 11.5.

How urgently should CVE-2006-6076 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2006-6076

CriticalPublic 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 requests to TCP port 6502.

Published Nov 24, 2006 · Updated Apr 22, 2026

Key Facts

Patch immediately

CVE-2006-6076 is a critical-severity vulnerability (CVSS 10.0 v2) affecting Brightstor Arcserve Backup (Broadcom), Brightstor Arcserve Backup Agent (Ca).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 71% probability of exploitation in the next 30 days.
Fixed versions are available, including Brightstor Arcserve Backup 11.5.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v2

10.0

AV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS (30-day exploit likelihood)

71%

Higher than 99.3% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2006-6076 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Affected Products

7 affected entries in total

Product	Affected versions	Fixed in
Brightstor Arcserve BackupBroadcom	11.1, 11.5-sp1, 11	11.5
Brightstor Arcserve Backup AgentCa	11.0, 11.1	n/a

Patched Releases

Brightstor Arcserve Backup

11.5

Timeline

Publicly disclosed
Nov 24, 2006
Last updated
Apr 22, 2026

References

advisory23060
exploitMSF tape_engine_0x8a.rb
exploitMSF tape_engine.rb
exploitExploitDB-16407
other20061121 LS-20061113 - CA BrightStor ARCserve Backup Remote Buffer Overflow Vulnerability

13 more references in the full CVE brief

FAQ

Common Questions.

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.
Affected: Brightstor Arcserve Backup (Broadcom) versions 11.1, 11.5-sp1, 11; Brightstor Arcserve Backup Agent (Ca) versions 11.0, 11.1. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Brightstor Arcserve Backup 11.5.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Is CVE-2006-6076 Running On Your Attack Surface?

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