How severe is CVE-2015-1337?

CVE-2015-1337 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2015-1337 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-1337?

CVE-2015-1337 primarily affects Simpestreams Project Simplestreams. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-1337?

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

When was CVE-2015-1337 published?

CVE-2015-1337 was published on 2015-10-09 and last updated on 2026-06-17.

CVE-2015-1337

CVE-2015-1337 is a medium-severity vulnerability in Simpestreams Project Simplestreams with a CVSS 2.0 base score of 6.8. 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Simpestreams Project Simplestreams
Published: 2015-10-09
Last modified: 2026-06-17

Description

Simple Streams (simplestreams) does not properly verify the GPG signatures of disk image files, which allows remote mirror servers to spoof disk images and have unspecified other impact via a 403 (aka Forbidden) response.

Frequently asked questions

What is CVE-2015-1337?: Simple Streams (simplestreams) does not properly verify the GPG signatures of disk image files, which allows remote mirror servers to spoof disk images and have unspecified other impact via a 403 (aka Forbidden) response.
How severe is CVE-2015-1337?: CVE-2015-1337 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2015-1337 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-1337?: CVE-2015-1337 primarily affects Simpestreams Project Simplestreams. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-1337?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-1337 published?: CVE-2015-1337 was published on 2015-10-09 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:simpestreams_project:simplestreams:-:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*

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