How severe is CVE-2013-4677?

CVE-2013-4677 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2013-4677 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4677?

CVE-2013-4677 primarily affects Symantec Backup Exec. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-4677?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-4677 published?

CVE-2013-4677 was published on 2013-08-05 and last updated on 2026-06-16.

CVE-2013-4677

CVE-2013-4677 is a medium-severity vulnerability in Symantec Backup Exec with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Symantec Backup Exec
Published: 2013-08-05
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2013-4677?: CVE-2013-4677 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2013-4677 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4677?: CVE-2013-4677 primarily affects Symantec Backup Exec. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-4677?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4677 published?: CVE-2013-4677 was published on 2013-08-05 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:symantec:backup_exec:2010:*:*:*:*:*:*:*
cpe:2.3:a:symantec:backup_exec:2010_r3:sp1:*:*:*:*:*:*
cpe:2.3:a:symantec:backup_exec:2010_r3:sp2:*:*:*:*:*:*
cpe:2.3:a:symantec:backup_exec:2012:*:*:*:*:*:*:*
cpe:2.3:a:symantec:backup_exec:2012:sp1:*:*:*:*:*:*

More vulnerabilities in Symantec Backup Exec

CVE-2013-4575 — High (CVSS 7.9): Heap-based buffer overflow in the utility program in the Linux agent in Symantec Backup Exec 2010 R3 before 2010 R3 SP3…
CVE-2011-0546 — Medium (CVSS 6.5): Symantec Backup Exec 11.0, 12.0, 12.5, 13.0, and 13.0 R2 does not validate identity information sent between the media…
CVE-2013-4676 — Medium (CVSS 4.3): Multiple cross-site scripting (XSS) vulnerabilities in Symantec Backup Exec 2010 R3 before 2010 R3 SP3 and 2012 before…
CVE-2013-4678 — Low (CVSS 2.7): The NDMP protocol implementation in Symantec Backup Exec 2010 R3 before 2010 R3 SP3 and 2012 before SP2 allows remote…

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