How severe is CVE-2013-1717?

CVE-2013-1717 has a CVSS 2.0 base score of 5.4, rated medium severity.

Is CVE-2013-1717 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-1717?

CVE-2013-1717 primarily affects Mozilla Thunderbird Esr. In total, 178 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-1717?

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

When was CVE-2013-1717 published?

CVE-2013-1717 was published on 2013-08-07 and last updated on 2026-06-16.

CVE-2013-1717

CVE-2013-1717 is a medium-severity vulnerability in Mozilla Thunderbird Esr with a CVSS 2.0 base score of 5.4. 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 5.4)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Mozilla Thunderbird Esr
Published: 2013-08-07
Last modified: 2026-06-16

Description

Mozilla Firefox before 23.0, Firefox ESR 17.x before 17.0.8, Thunderbird before 17.0.8, Thunderbird ESR 17.x before 17.0.8, and SeaMonkey before 2.20 do not properly restrict local-filesystem access by Java applets, which allows user-assisted remote attackers to read arbitrary files by leveraging a download to a fixed pathname or other predictable pathname.

Frequently asked questions

What is CVE-2013-1717?: Mozilla Firefox before 23.0, Firefox ESR 17.x before 17.0.8, Thunderbird before 17.0.8, Thunderbird ESR 17.x before 17.0.8, and SeaMonkey before 2.20 do not properly restrict local-filesystem access by Java applets, which allows user-assisted remote attackers to read arbitrary files by leveraging a download to a fixed pathname or other predictable pathname.
How severe is CVE-2013-1717?: CVE-2013-1717 has a CVSS 2.0 base score of 5.4, rated medium severity.
Is CVE-2013-1717 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-1717?: CVE-2013-1717 primarily affects Mozilla Thunderbird Esr. In total, 178 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-1717?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-1717 published?: CVE-2013-1717 was published on 2013-08-07 and last updated on 2026-06-16.

References

Affected products (178)

cpe:2.3:a:mozilla:thunderbird_esr:17.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird_esr:17.0.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird_esr:17.0.2:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird_esr:17.0.3:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird_esr:17.0.4:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird_esr:17.0.5:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird_esr:17.0.6:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird_esr:17.0.7:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:19.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:19.0.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:19.0.2:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:20.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:20.0.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:21.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:*:beta3:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:2.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:2.0:alpha_1:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:2.0:alpha_2:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:2.0:alpha_3:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:2.0:beta_1:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:2.0:beta_2:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:2.0:rc1:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:2.0:rc2:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:2.0.3:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:2.0.4:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:2.0.5:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:2.0.6:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:2.0.7:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:2.0.8:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:2.0.9:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:2.0.10:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:2.0.11:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:2.0.12:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:2.0.13:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:2.0.14:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:2.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:2.1:alpha1:*:*:*:*:*:*

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