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CVE-2006-5171

32
FAUCET Score

CVE-2006-5171 describes a critical stack-based buffer overflow in the RPC interface of Mediasvr.exe, affecting CA Brightstor ARCserve Backup versions 9.01 through 11.5, Enterprise Backup 10.5, and CA Protection Suites r2. This vulnerability allows unauthenticated remote attackers to execute arbitrary code by sending specially crafted SUNRPC packets. With a CVSS score of 10.0, it represents a severe risk due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. Despite its age and high severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
<= 11.5CPE matchmatch criteria
cpe:2.3:a:broadcom:brightstor_arcserve_backup:*:*:*:*:*:*:*:*
9.01CPE matchmatch criteria
cpe:2.3:a:broadcom:brightstor_arcserve_backup:9.01:*:*:*:*:*:*:*
10.5CPE matchmatch criteria
cpe:2.3:a:broadcom:brightstor_enterprise_backup:10.5:*:*:*:*:*:*:*
r2CPE matchmatch criteria
cpe:2.3:a:ca:protection_suites:r2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
16.43%
Probability of exploitation in next 30 days
EPSS Percentile
96.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1643 is in the 95th percentile among its peer group of 51,551 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

osvdb.org / 31319
secunia.com / advisories/23648
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/29343
supportconnectw.ca.com / public/storage/infodocs/babimpsec-notice.asp
PatchVendor Advisory
iss.net / threats/252.html
PatchVendor Advisory
securityfocus.com / archive/1/456711
securityfocus.com / bid/22015
vupen.com / english/advisories/2007/0154