How severe is CVE-2011-3617?

CVE-2011-3617 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2011-3617 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-3617?

CVE-2011-3617 primarily affects Tahoe-lafs. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-3617?

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

When was CVE-2011-3617 published?

CVE-2011-3617 was published on 2019-11-26 and last updated on 2026-06-16.

CVE-2011-3617

CVE-2011-3617 is a medium-severity vulnerability in Tahoe-lafs with a CVSS 3.x base score of 6.5. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 5.5
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Tahoe-lafs
Published: 2019-11-26
Last modified: 2026-06-16

Description

Tahoe-LAFS v1.3.0 through v1.8.2 could allow unauthorized users to delete immutable files in some cases.

Frequently asked questions

What is CVE-2011-3617?: Tahoe-LAFS v1.3.0 through v1.8.2 could allow unauthorized users to delete immutable files in some cases.
How severe is CVE-2011-3617?: CVE-2011-3617 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2011-3617 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-3617?: CVE-2011-3617 primarily affects Tahoe-lafs. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-3617?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-3617 published?: CVE-2011-3617 was published on 2019-11-26 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:tahoe-lafs:tahoe-lafs:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

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