CVE-2016-1587: The Snapweb interface before version 0.21.2 was exposing controls to install or remove snap packages without c

Q: How do I fix CVE-2016-1587?

snapweb: upgrade to 0.21.2. Exact commands for each OS are on this page.

Q: Is CVE-2016-1587 being exploited?

CVE-2016-1587 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2016-1587 affect?

CVE-2016-1587 affects snapweb. Severity is high (CVSS 7.1). The Snapweb interface before version 0.21.2 was exposing controls to install or remove snap packages without controlling the identity of the user, nor the origin of the connection. An attacker could have used the controls to remotely add a

This month

HIGH 7.1UPGRADE

CVE-2016-1587 is a high-severity flaw (CVSS 7.1) affecting snapweb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Snapweb interface before version 0.21.2 was exposing controls to install or remove snap packages without controlling the identity of the user, nor the origin of the connection. An attacker could have used the controls to remotely add a valid, but malicious, snap package, from the Store, potentially using system resources without permission from the legitimate administrator of the system.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.1 (High)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-284
Published	2019-04-22
Last modified	2026-06-17

Publisher (CNA): Canonical Ltd. · Vendor: snapweb

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-04-22 16:29 UTCPublished CVE record published
2026-06-17 00:42 UTCUpdated Record last modified

snapweb snapweb UPGRADE

Affected: < 0.21.2

Fixed in: 0.21.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy snapweb || rpm -q snapweb || snapweb --version

2. UPGRADE to 0.21.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade snapweb

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade snapweb

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2016-1587?

snapweb: upgrade to 0.21.2. Exact commands for each OS are on this page.

Is CVE-2016-1587 being exploited?

CVE-2016-1587 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2016-1587 affect?

CVE-2016-1587 affects snapweb. Severity is high (CVSS 7.1). The Snapweb interface before version 0.21.2 was exposing controls to install or remove snap packages without controlling the identity of the user, nor the origin of the connection. An attacker could have used the controls to remotely add a

How urgent is CVE-2016-1587?

Priority 41/100. High severity

References

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