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CVE-2009-1761

15
FAUCET Score

CVE-2009-1761 describes a denial-of-service vulnerability in the message engine of CA ARCserve Backup r12.0 and r12.0 SP1 for Windows. Attackers can crash the system by sending malformed 0x13 or 0x3B messages. This vulnerability has a CVSS score of 5.0, indicating a medium severity with low attack complexity and no authentication required, leading to a partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
r12.0CPE matchmatch criteria
cpe:2.3:a:ca:arcserve_backup:r12.0:*:windows:*:*:*:*:*
r12.0CPE matchmatch criteria
cpe:2.3:a:ca:arcserve_backup:r12.0:sp1:windows:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.23%
Probability of exploitation in next 30 days
EPSS Percentile
80.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0223 is in the 71st percentile among its peer group of 23,701 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, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

community.ca.com / blogs/casecurityresponseblog/archive/2009/06/15/ca20090615-01-ca-arcserve-backup-message-engine-denial-of-service-vulnerabilities.aspx
Patch
secunia.com / advisories/35473
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/51169
support.ca.com / irj/portal/anonymous/phpsupcontent
PatchVendor Advisory
ivizsecurity.com / security-advisory-iviz-sr-09003.html
Exploit
ivizsecurity.com / security-advisory-iviz-sr-09004.html
Exploit
securityfocus.com / archive/1/504348/100/0/threaded
securityfocus.com / archive/1/504349/100/0/threaded
securityfocus.com / bid/35396
securitytracker.com / id
vupen.com / english/advisories/2009/1608