CVE-2007-5327

Stack-based buffer overflow in the RPC interface for the Message Engine (mediasvr.exe) in CA BrightStor ARCServe BackUp v9.01 through R11.5, and Enterprise Backup r10.5, allows remote attackers to execute arbitrary code via a long argument in the 0x10d opnum.

Published: 2007-10-12 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2007-5327 is rated High Risk (68.8/100): CVSS Critical severity, with high exploitation likelihood (EPSS 16.08%, 96th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2007-5327

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 32.93% 16.08% -16.85%
2 2026-06-01 32.12% 32.93% +0.81%
3 2025-03-30 32.12%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-5327

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 10.0 [email protected]

Weakness enumeration for CVE-2007-5327

Affected software / configurations for CVE-2007-5327

Vendor Product Version Raw CPE
broadcom brightstor_arcserve_backup 9.01 cpe:2.3:a:broadcom:brightstor_arcserve_backup:9.01:*:*:*:*:*:*:*
broadcom brightstor_arcserve_backup 10.5 cpe:2.3:a:broadcom:brightstor_arcserve_backup:10.5:*:*:*:*:*:*:*
broadcom brightstor_arcserve_backup 11 cpe:2.3:a:broadcom:brightstor_arcserve_backup:11:*:*:*:*:*:*:*
broadcom brightstor_arcserve_backup 11.1 cpe:2.3:a:broadcom:brightstor_arcserve_backup:11.1:*:*:*:*:*:*:*
broadcom brightstor_arcserve_backup 11.5 cpe:2.3:a:broadcom:brightstor_arcserve_backup:11.5:*:*:*:*:*:*:*
broadcom brightstor_enterprise_backup 10.5 cpe:2.3:a:broadcom:brightstor_enterprise_backup:10.5:*:*:*:*:*:*:*

References for CVE-2007-5327

cvelogic Threat Intelligence