CVE-2005-1018
HighPublic exploitBuffer overflow in the UniversalAgent for Computer Associates (CA) BrightStor ARCserve Backup allows remote authenticated users to cause a denial of service or execute arbitrary code via an agent request to TCP port 6050 with a large argument before the option field.
Published May 2, 2005 · Updated Apr 15, 2026
Key Facts
Patch immediately- CVE-2005-1018 is a high-severity vulnerability (CVSS 7.5 v2) affecting Brightstor Arcserve Backup (Ca).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 52% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS (30-day exploit likelihood)
52%
Higher than 98.9% 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-2005-1018 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Buffer overflow in the UniversalAgent for Computer Associates (CA) BrightStor ARCserve Backup allows remote authenticated users to cause a denial of service or execute arbitrary code via an agent request to TCP port 6050 with a large argument before the option field.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Brightstor Arcserve BackupCa | 11.1 | n/a |
Timeline
Publicly disclosed
May 2, 2005
Last updated
Apr 15, 2026
References
- exploitMSF universal_agent.rb
- exploitExploitDB-16405
- other20050414 Computer Associates BrightStor ARCserve Backup and BrightStor Enterprise Backup UniversalAgent buffer overflow vulnerability
- other20050411 Computer Associates BrightStor ARCserve Backup UniversalAgent Buffer Overflow
- other20050217 RE: BrightStor ARCserve Backup buffer overflow PoC (fixes available)
FAQ
Common Questions.
Buffer overflow in the UniversalAgent for Computer Associates (CA) BrightStor ARCserve Backup allows remote authenticated users to cause a denial of service or execute arbitrary code via an agent request to TCP port 6050 with a large argument before the option field.
Affected: Brightstor Arcserve Backup (Ca) versions 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.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
Is CVE-2005-1018 Running On Your Attack Surface?
Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.
Request A Demo