CVE-2013-4677

Symantec Backup Exec 2010 R3 before 2010 R3 SP3 and 2012 before SP2 uses weak permissions (Everyone: Read and Everyone: Change) for backup data files, which allows local users to obtain sensitive information or modify the outcome of a restore via direct access to these files.

Published: 2013-08-05 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2013-4677 is rated Low Risk (21.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.05%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2013-4677

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 2025-03-17 0.04% 0.05% +0.01%
2 2023-03-07 0.89% 0.04% -0.85%
3 2022-02-04 0.89%

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-4677

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:L/AC:L/Au:S/C:P/I:P/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
3.1 6.4 [email protected]

Weakness enumeration for CVE-2013-4677

Affected software / configurations for CVE-2013-4677

Vendor Product Version Raw CPE
symantec backup_exec 2010 cpe:2.3:a:symantec:backup_exec:2010:*:*:*:*:*:*:*
symantec backup_exec 2010_r3 cpe:2.3:a:symantec:backup_exec:2010_r3:sp1:*:*:*:*:*:*
symantec backup_exec 2010_r3 cpe:2.3:a:symantec:backup_exec:2010_r3:sp2:*:*:*:*:*:*
symantec backup_exec 2012 cpe:2.3:a:symantec:backup_exec:2012:*:*:*:*:*:*:*
symantec backup_exec 2012 cpe:2.3:a:symantec:backup_exec:2012:sp1:*:*:*:*:*:*

References for CVE-2013-4677

cvelogic Threat Intelligence