CVE-2006-2391

Buffer overflow in EMC Retrospect Client 5.1 through 7.5 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted packet to port 497.

Published: 2006-05-16 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-2391 is rated High Risk (69.2/100): CVSS High severity, with high exploitation likelihood (EPSS 48.98%, 98th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +16.68% over the last day, indicating growing attacker interest. 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-2006-2391

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 2026-02-28 32.31% 48.98% +16.68%
2 2025-06-09 34.15% 32.31% -1.85%
3 2025-03-30 — 34.15% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-2391

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P 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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2006-2391

NVD evaluator notes for CVE-2006-2391

Solution: Failed exploit attempts will likely crash the application, denying further service to legitimate users.

Affected software / configurations for CVE-2006-2391

Vendor Product Version Raw CPE
emc retrospect_client 5.1 cpe:2.3:a:emc:retrospect_client:5.1:*:*:*:*:*:*:*
emc retrospect_client 6.5 cpe:2.3:a:emc:retrospect_client:6.5:*:*:*:*:*:*:*
emc retrospect_client 7.0 cpe:2.3:a:emc:retrospect_client:7.0:*:*:*:*:*:*:*
emc retrospect_client 7.5 cpe:2.3:a:emc:retrospect_client:7.5:*:*:*:*:*:*:*

References for CVE-2006-2391

cvelogic Threat Intelligence