How severe is CVE-2007-5327?

CVE-2007-5327 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2007-5327 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-5327?

CVE-2007-5327 primarily affects Broadcom Brightstor Arcserve Backup. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-5327?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2007-5327 published?

CVE-2007-5327 was published on 2007-10-13 and last updated on 2026-06-16.

CVE-2007-5327

CVE-2007-5327 is a critical-severity vulnerability in Broadcom Brightstor Arcserve Backup with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 16% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 16% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Broadcom Brightstor Arcserve Backup
Published: 2007-10-13
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2007-5327?: CVE-2007-5327 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2007-5327 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-5327?: CVE-2007-5327 primarily affects Broadcom Brightstor Arcserve Backup. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-5327?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2007-5327 published?: CVE-2007-5327 was published on 2007-10-13 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:a:broadcom:brightstor_arcserve_backup:9.01:*:*:*:*:*:*:*
cpe:2.3:a:broadcom:brightstor_arcserve_backup:10.5:*:*:*:*:*:*:*
cpe:2.3:a:broadcom:brightstor_arcserve_backup:11:*:*:*:*:*:*:*
cpe:2.3:a:broadcom:brightstor_arcserve_backup:11.1:*:*:*:*:*:*:*
cpe:2.3:a:broadcom:brightstor_arcserve_backup:11.5:*:*:*:*:*:*:*
cpe:2.3:a:broadcom:brightstor_enterprise_backup:10.5:*:*:*:*:*:*:*

More vulnerabilities in Broadcom Brightstor Arcserve Backup

CVE-2008-3175 — Critical (CVSS 10.0): Integer underflow in rxRPC.dll in the LGServer service in the server in CA ARCserve Backup for Laptops and Desktops…
CVE-2008-2241 — Critical (CVSS 10.0): Directory traversal vulnerability in caloggerd in CA BrightStor ARCServe Backup 11.0, 11.1, and 11.5 allows remote…
CVE-2007-5332 — Critical (CVSS 10.0): Multiple unspecified vulnerabilities in (1) mediasvr and (2) caloggerd in CA BrightStor ARCServe BackUp v9.01 through…
CVE-2007-5328 — Critical (CVSS 10.0): The Message Engine RPC service in CA BrightStor ARCServe BackUp v9.01 through R11.5, and Enterprise Backup r10.5,…
CVE-2007-5329 — Critical (CVSS 10.0): Unspecified vulnerability in dbasvr in CA BrightStor ARCServe BackUp v9.01 through R11.5, and Enterprise Backup r10.5,…
CVE-2007-5325 — Critical (CVSS 10.0): Multiple buffer overflows in (1) the Message Engine and (2) AScore.dll in CA BrightStor ARCServe BackUp v9.01 through…

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