CVE catalog

CVE-2020-15692

nim affected and fixed versions

In Nim 1.2.4, the standard library browsers mishandles the URL argument to browsers.openDefaultBrowser. This argument can be a local file path that will be opened in the default explorer. An attacker can pass one argument to the underlying open command to execute arbitrary registered system commands.

Severity: Critical · CVSS 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: Aug 14, 2020, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 4.21% · Oct 27, 2026

Projects and upstream resources

[nim][Source-reported homepage]

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Distribution / release	Package	Version	Status	Source
Debiansid	nim	`1.2.6-1`	FixedDistribution-reported fixed boundary	[CVE-2020-15692]
Debiansid	nim	`2.2.12-1`	Fixed	[CVE-2020-15692]
Debianforky	nim	`1.2.6-1`	FixedDistribution-reported fixed boundary	[CVE-2020-15692]
Debianforky	nim	`2.2.12-1`	Fixed	[CVE-2020-15692]
Debianbookworm	nim	`1.2.6-1`	FixedDistribution-reported fixed boundary	[CVE-2020-15692]
Debianbookworm	nim	`1.6.10-2`	Fixed	[CVE-2020-15692]

Showing 6 fix observations. All 15 observations, including unknown and conflicting reports, are available below.

Provider details and historical evidence

Distribution / release	Package	Version	Status	Source
Debianbookworm	nim	`1.2.6-1`	FixedDistribution-reported fixed boundary	[CVE-2020-15692]
Debianbookworm	nim	`1.6.10-2`	Fixed	[CVE-2020-15692]
Debianforky	nim	`1.2.6-1`	FixedDistribution-reported fixed boundary	[CVE-2020-15692]
Debianforky	nim	`2.2.12-1`	Fixed	[CVE-2020-15692]
Debiansid	nim	`1.2.6-1`	FixedDistribution-reported fixed boundary	[CVE-2020-15692]
Debiansid	nim	`2.2.12-1`	Fixed	[CVE-2020-15692]
Ubuntu16.04	nim	`0.11.2+dfsg1-4`	UnknownSource applicability is not established	[UBUNTU-CVE-2020-15692]Oct 24, 2025, 4:48:37 AM UTC
Ubuntu16.04	nim	`0.12.0-2`	UnknownSource applicability is not established	[UBUNTU-CVE-2020-15692]Oct 24, 2025, 4:48:37 AM UTC
Ubuntu18.04	nim	`0.17.2-1ubuntu1`	UnknownSource applicability is not established	[UBUNTU-CVE-2020-15692]Oct 24, 2025, 4:48:37 AM UTC
Ubuntu18.04	nim	`0.17.2-1ubuntu2`	UnknownSource applicability is not established	[UBUNTU-CVE-2020-15692]Oct 24, 2025, 4:48:37 AM UTC
Ubuntu20.04	nim	`0.20.2-1`	UnknownSource applicability is not established	[UBUNTU-CVE-2020-15692]Oct 24, 2025, 4:48:37 AM UTC
Ubuntu20.04	nim	`1.0.2-1`	UnknownSource applicability is not established	[UBUNTU-CVE-2020-15692]Oct 24, 2025, 4:48:37 AM UTC
Ubuntu20.04	nim	`1.0.3~rc-1`	UnknownSource applicability is not established	[UBUNTU-CVE-2020-15692]Oct 24, 2025, 4:48:37 AM UTC
Ubuntu20.04	nim	`1.0.4-1`	UnknownSource applicability is not established	[UBUNTU-CVE-2020-15692]Oct 24, 2025, 4:48:37 AM UTC
Ubuntu20.04	nim	`1.0.6-1`	UnknownSource applicability is not established	[UBUNTU-CVE-2020-15692]Oct 24, 2025, 4:48:37 AM UTC

Original provider fields

{
  "package_releases": [
    {
      "name": "nim",
      "status": "fixed",
      "release": "sid",
      "version": "2.2.12-1"
    },
    {
      "name": "nim",
      "status": "fixed",
      "release": "forky",
      "version": "2.2.12-1"
    },
    {
      "name": "nim",
      "status": "fixed",
      "release": "bookworm",
      "version": "1.6.10-2"
    }
  ],
  "fixed_versions": [
    {
      "bug": null,
      "name": "nim",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": "1.2.6-1"
    },
    {
      "bug": null,
      "name": "nim",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": "1.2.6-1"
    },
    {
      "bug": null,
      "name": "nim",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": "1.2.6-1"
    }
  ],
  "distribution_packages": [
    {
      "name": "nim",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "16.04",
      "versions": [
        "0.11.2+dfsg1-4",
        "0.12.0-2"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-15692",
      "fixed_version": "",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2020-15692",
      "provider_updated_at": "2025-10-24T04:48:37Z",
      "applicability_unknown": true
    },
    {
      "name": "nim",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "18.04",
      "versions": [
        "0.17.2-1ubuntu1",
        "0.17.2-1ubuntu2"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-15692",
      "fixed_version": "",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2020-15692",
      "provider_updated_at": "2025-10-24T04:48:37Z",
      "applicability_unknown": true
    },
    {
      "name": "nim",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "20.04",
      "versions": [
        "0.20.2-1",
        "1.0.2-1",
        "1.0.3~rc-1",
        "1.0.4-1",
        "1.0.6-1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-15692",
      "fixed_version": "",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2020-15692",
      "provider_updated_at": "2025-10-24T04:48:37Z",
      "applicability_unknown": true
    }
  ]
}

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[nim]Unknown
Details (2)
- 1.6.10-2 · amd64 · bookworm
  Fixed · Fixed: 1.2.6-1
  dsa · nim · debian · bookworm; dsa · nim · debian · 12
- 1.6.10-2 · arm64 · bookworm
  Fixed · Fixed: 1.2.6-1
  dsa · nim · debian · bookworm; dsa · nim · debian · 12
[nim-doc]Unknown
Source package: [nim]
Details (2)
- 1.6.10-2 · all · bookworm
  Fixed · Fixed: 1.2.6-1
  dsa · nim · debian · bookworm; dsa · nim · debian · 12
- 1.6.10-2 · all · bookworm
  Fixed · Fixed: 1.2.6-1
  dsa · nim · debian · bookworm; dsa · nim · debian · 12

Observed: Oct 23, 2026, 5:48:25 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]