CVE-2005-0773
HighExploitedPublic exploitStack-based buffer overflow in VERITAS Backup Exec Remote Agent 9.0 through 10.0 for Windows, and 9.0.4019 through 9.1.307 for Netware allows remote attackers to execute arbitrary code via a CONNECT_CLIENT_AUTH request with authentication method type 3 (Windows credentials) and…
Published Jun 18, 2005 · Updated Apr 15, 2026
Key Facts
Patch immediately- CVE-2005-0773 is a high-severity vulnerability (CVSS 7.5 v2) affecting Backup Exec (Symantec Veritas).
- It is exploited in the wild, listed in Industry KEV feed since Jun 24, 2005. Public exploit code is available.
- EPSS estimates a 86% 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 listed as exploited in the wild.
CVSS v2
7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS (30-day exploit likelihood)
86%
Higher than 99.7% of all scored CVEs
Exploited in the wild
Yes
1 catalog listing
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2005-0773 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Stack-based buffer overflow in VERITAS Backup Exec Remote Agent 9.0 through 10.0 for Windows, and 9.0.4019 through 9.1.307 for Netware allows remote attackers to execute arbitrary code via a CONNECT_CLIENT_AUTH request with authentication method type 3 (Windows credentials) and a long password argument.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Jun 24, 2005 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
22 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Backup ExecSymantec Veritas | 10.0_rev.5484, 10.0_rev.5484_sp1, 9.0.4019, 9.0.4170, 9.0.4172, 9.0.4174, 9.0.4202, 9.0_rev.4367 | n/a |
Timeline
Publicly disclosed
Jun 18, 2005
Added to Industry KEV feed
Jun 24, 2005
Last updated
Apr 15, 2026
References
- advisory20050623 Veritas Backup Exec Agent CONNECT_CLIENT_AUTH Buffer Overflow Vulnerability
- patch15789
- patch1014273
- patchhttp://seer.support.veritas.com/docs/276604.htm
- patchhttp://seer.support.veritas.com/docs/277429.htm
FAQ
Common Questions.
Stack-based buffer overflow in VERITAS Backup Exec Remote Agent 9.0 through 10.0 for Windows, and 9.0.4019 through 9.1.307 for Netware allows remote attackers to execute arbitrary code via a CONNECT_CLIENT_AUTH request with authentication method type 3 (Windows credentials) and a long password argument.
Affected: Backup Exec (Symantec Veritas) versions 10.0_rev.5484, 10.0_rev.5484_sp1, 9.0.4019, 9.0.4170, 9.0.4172, 9.0.4174, 9.0.4202, 9.0_rev.4367. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Jun 24, 2005.
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 listed as exploited in the wild.
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