CVE-2006-5143

What it is

Multiple buffer overflows in CA BrightStor ARCserve Backup r11.5 SP1 and earlier, r11.1, and 9.01; BrightStor ARCserve Backup for Windows r11; BrightStor Enterprise Backup 10.5; Server Protection Suite r2; and Business Protection Suite r2 allow remote attackers to execute arbitrary code via crafted data on TCP port 6071 to the Backup Agent RPC Server (DBASVR.exe) using the RPC routines with opcode (1) 0x01, (2) 0x02, or (3) 0x18; invalid stub data on TCP port 6503 to the RPC routines with opcode (4) 0x2b or (5) 0x2d in ASCORE.dll in the Message Engine RPC Server (msgeng.exe); (6) a long hostname on TCP port 41523 to ASBRDCST.DLL in the Discovery Service (casdscsvc.exe); or unspecified vectors related to the (7) Job Engine Service.

At a glance

Exploitability

Can be exploited over the network without logging in. Limited direct impact.

Exploit odds

79.4% chance of exploitation in the next 30 days (EPSS). Higher than most.

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2006-10-02 00:00 UTC ReservedThe CVE id was reserved by its CNA
2. 2006-10-10 04:06 UTC PublishedDisclosed publicly on CVE.org and NVD
3. 2026-06-16 22:30 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 79.4% in the next 30 days (EPSS).
• Severity: 7.5 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2006-10-10 04:06 UTC

Last modified

2026-06-16 22:30 UTC

Exploit probability

79.4% · EPSS, next 30 days

Weakness

CWE-119 · Buffer errors

Record status

Modified

Affected

• Broadcom Brightstor Arcserve Backup ≤ 11.5
• Broadcom Brightstor Arcserve Backup 9.01
• Broadcom Brightstor Arcserve Backup 11.1
• Broadcom Brightstor Enterprise Backup 10.5
• Broadcom Business Protection Suite 2.0
• Broadcom Server Protection Suite 2
• Ca Brightstor Arcserve Backup 11

Attack profile CVSS 2.0 · 7.5

Attack vector

Network

Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2006-5143.md and follow it. Check whether this project is affected by CVE-2006-5143. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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