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CVE-2021-39365

In GNOME grilo though 0.3.13, grl-net-wc.c does not enable TLS certificate verification on the...

5.9 MediumFix available

In GNOME grilo though 0.3.13, grl-net-wc.c does not enable TLS certificate verification on the SoupSessionAsync objects it creates, leaving users vulnerable to network MITM attacks. NOTE: this is similar to CVE-2016-20011.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

0.87%Up 0.2 points since Aug 23, 2021
90%50%10%1%

What each source reports

NVD Score used 5.9

In GNOME grilo though 0.3.13, grl-net-wc.c does not enable TLS certificate verification on the SoupSessionAsync objects it creates, leaving users vulnerable to network MITM attacks. NOTE: this is similar to CVE-2016-20011.

Record
CVE-2021-39365
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:P/I:N/A:N
Weakness
CWE-295
Updated
2026-11-02
CVE List No score

In GNOME grilo though 0.3.13, grl-net-wc.c does not enable TLS certificate verification on the SoupSessionAsync objects it creates, leaving users vulnerable to network MITM attacks. NOTE: this is similar to CVE-2016-20011.

Record
CVE-2021-39365
Updated
2026-11-02
EUVDEUVD-2021-25726 No score

In GNOME grilo though 0.3.13, grl-net-wc.c does not enable TLS certificate verification on the SoupSessionAsync objects it creates, leaving users vulnerable to network MITM attacks. NOTE: this is similar to CVE-2016-20011.

Record
EUVD-2021-25726
Updated
2026-11-03
GitHub AdvisoriesGHSA-jvwp-xr6v-4m4f No score

In GNOME grilo though 0.3.13, grl-net-wc.c does not enable TLS certificate verification on the...

In GNOME grilo though 0.3.13, grl-net-wc.c does not enable TLS certificate verification on the SoupSessionAsync objects it creates, leaving users vulnerable to network MITM attacks. NOTE: this is similar to CVE-2016-20011.

Record
GHSA-jvwp-xr6v-4m4f
Weakness
CWE-295
Updated
2026-11-02
OSV 5.9

In GNOME grilo though 0.3.13, grl-net-wc.c does not enable TLS certificate verification on the SoupSessionAsync objects it creates, leaving users vulnerable to network MITM attacks. NOTE: this is similar to CVE-2016-20011.

Record
CVE-2021-39365
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVDEBIAN-CVE-2021-39365 5.9

In GNOME grilo though 0.3.13, grl-net-wc.c does not enable TLS certificate verification on the SoupSessionAsync objects it creates, leaving users vulnerable to network MITM attacks. NOTE: this is similar to CVE-2016-20011.

Record
DEBIAN-CVE-2021-39365
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
Show 13 moreShow less
OSVOESA-2021-1346 5.9

grilo security update

Grilo is a framework focused on making media discovery and browsing easy for application developers.

Security Fix(es):

In GNOME grilo though 0.3.13, grl-net-wc.c does not enable TLS certificate verification on the SoupSessionAsync objects it creates, leaving users vulnerable to network MITM attacks. NOTE: this is similar to CVE-2016-20011.(CVE-2021-39365)

Record
OESA-2021-1346
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVRHSA-2021:4339 7.5

Red Hat Security Advisory: grilo security update

Record
RHSA-2021:4339
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVRLSA-2021:4339 7.5

Moderate: grilo security update

Grilo is a framework that provides access to different sources of multimedia content, using a pluggable system. The grilo package contains the core library and elements.

Security Fix(es):

  • grilo: missing TLS certificate verification (CVE-2021-39365)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux 8.5 Release Notes linked from the References section.

Record
RLSA-2021:4339
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2021-39365 5.9

In GNOME grilo though 0.3.13, grl-net-wc.c does not enable TLS certificate verification on the SoupSessionAsync objects it creates, leaving users vulnerable to network MITM attacks. NOTE: this is similar to CVE-2016-20011.

Record
UBUNTU-CVE-2021-39365
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVALSA-2021:4339 No score

Moderate: grilo security update

Grilo is a framework that provides access to different sources of multimedia content, using a pluggable system. The grilo package contains the core library and elements.

Security Fix(es):

  • grilo: missing TLS certificate verification (CVE-2021-39365)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

Record
ALSA-2021:4339
Updated
2026-11-02
OSVMGASA-2021-0472 No score

Updated grilo packages fix security vulnerability

Michael Catanzaro reported a problem in Grilo, a framework for discovering and browsing media. TLS certificate verification is not enabled on the SoupSessionAsync objects created by Grilo, leaving users vulnerable to network MITM attacks.

Record
MGASA-2021-0472
Updated
2026-11-02
OSVopenSUSE-SU-2021:1312-1 No score

Security update for grilo

This update for grilo fixes the following issues:

  • CVE-2021-39365: Fixed missing TLS certificate verification (bsc#1189839).

This update was imported from the SUSE:SLE-15-SP2:Update update project.

Record
openSUSE-SU-2021:1312-1
Updated
2026-11-02
OSVopenSUSE-SU-2021:3194-1 No score

Security update for grilo

This update for grilo fixes the following issues:

  • CVE-2021-39365: Fixed missing TLS certificate verification (bsc#1189839).
Record
openSUSE-SU-2021:3194-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:10822-1 No score

grilo-devel-0.3.13-2.2 on GA media

These are all security issues fixed in the grilo-devel-0.3.13-2.2 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10822-1
Updated
2026-11-02
OSVSUSE-SU-2021:3003-1 No score

Security update for grilo

This update for grilo fixes the following issues:

  • CVE-2021-39365: Fixed missing TLS certificate verification (bsc#1189839).
Record
SUSE-SU-2021:3003-1
Updated
2026-11-02
OSVSUSE-SU-2021:3194-1 No score

Security update for grilo

This update for grilo fixes the following issues:

  • CVE-2021-39365: Fixed missing TLS certificate verification (bsc#1189839).
Record
SUSE-SU-2021:3194-1
Updated
2026-11-02
OSVSUSE-SU-2021:3295-1 No score

Security update for grilo

This update for grilo fixes the following issues:

  • CVE-2021-39365: Fixed missing TLS certificate verification (bsc#1189839).
Record
SUSE-SU-2021:3295-1
Updated
2026-11-02
OSVUSN-5055-1 No score

grilo vulnerability

Michael Catanzaro discovered that grilo incorrectly handled certain TLS certificate verification. An attacker could possibly use this issue to MITM attacks.

Record
USN-5055-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
grilo
AlmaLinux:8
 before 0.3.6-3.el8
0.3.6-3.el8
grilo-devel
AlmaLinux:8
 before 0.3.6-3.el8
0.3.6-3.el8
grilo
Debian:12
 before 0.3.13-1.1
0.3.13-1.1
grilo
Debian:13
 before 0.3.13-1.1
0.3.13-1.1
grilo
Debian:14
 before 0.3.13-1.1
0.3.13-1.1
grilo
Debian:9
 before 0.3.2-2+deb9u1, plus listed versions
0.3.2-2
0.3.2-2+deb9u1
grilo
Debian:10
 before 0.3.7-1+deb10u1, plus listed versions
0.3.7-1
0.3.7-1+deb10u1
grilo
Debian:11
 before 0.3.13-1+deb11u1, plus listed versions
0.3.13-1
0.3.13-1+deb11u1
grilo
Mageia:8
 before 0.3.14-1.mga8
0.3.14-1.mga8
grilo
openEuler:20.03-LTS-SP1
 before 0.3.9-4.oe1
0.3.9-4.oe1
Show 32 moreShow less
Affected packages
PackageAffectedFixed
grilo
openEuler:20.03-LTS-SP2
 before 0.3.9-4.oe1
0.3.9-4.oe1
grilo
Red Hat:enterprise_linux:8::appstream
 before 0:0.3.6-3.el8
0:0.3.6-3.el8
grilo-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 0:0.3.6-3.el8
0:0.3.6-3.el8
grilo-debugsource
Red Hat:enterprise_linux:8::appstream
 before 0:0.3.6-3.el8
0:0.3.6-3.el8
grilo-debuginfo
Red Hat:enterprise_linux:8::crb
 before 0:0.3.6-3.el8
0:0.3.6-3.el8
grilo-debugsource
Red Hat:enterprise_linux:8::crb
 before 0:0.3.6-3.el8
0:0.3.6-3.el8
grilo-devel
Red Hat:enterprise_linux:8::crb
 before 0:0.3.6-3.el8
0:0.3.6-3.el8
grilo
Rocky Linux:8
 before 0:0.3.6-3.el8
0:0.3.6-3.el8
grilo
SUSE:Linux Enterprise Software Development Kit 12 SP5
 before 0.3.2-7.3.1
0.3.2-7.3.1
grilo
SUSE:Linux Enterprise Server 12 SP5
 before 0.3.2-7.3.1
0.3.2-7.3.1
grilo
SUSE:Linux Enterprise Server for SAP Applications 12 SP5
 before 0.3.2-7.3.1
0.3.2-7.3.1
grilo
SUSE:Linux Enterprise Workstation Extension 12 SP5
 before 0.3.2-7.3.1
0.3.2-7.3.1
grilo
SUSE:Linux Enterprise Module for Desktop Applications 15 SP2
 before 0.3.12-3.3.1
0.3.12-3.3.1
grilo
SUSE:Linux Enterprise Module for Desktop Applications 15 SP3
 before 0.3.12-3.3.1
0.3.12-3.3.1
grilo
SUSE:Linux Enterprise Workstation Extension 15 SP2
 before 0.3.12-3.3.1
0.3.12-3.3.1
grilo
SUSE:Linux Enterprise Workstation Extension 15 SP3
 before 0.3.12-3.3.1
0.3.12-3.3.1
grilo
SUSE:Linux Enterprise High Performance Computing 15-ESPOS
 before 0.3.4-3.3.1
0.3.4-3.3.1
grilo
SUSE:Linux Enterprise High Performance Computing 15-LTSS
 before 0.3.4-3.3.1
0.3.4-3.3.1
grilo
SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS
 before 0.3.4-3.3.1
0.3.4-3.3.1
grilo
SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS
 before 0.3.4-3.3.1
0.3.4-3.3.1
grilo
SUSE:Linux Enterprise Server 15-LTSS
 before 0.3.4-3.3.1
0.3.4-3.3.1
grilo
SUSE:Linux Enterprise Server 15 SP1-BCL
 before 0.3.4-3.3.1
0.3.4-3.3.1
grilo
SUSE:Linux Enterprise Server 15 SP1-LTSS
 before 0.3.4-3.3.1
0.3.4-3.3.1
grilo
SUSE:Linux Enterprise Server for SAP Applications 15
 before 0.3.4-3.3.1
0.3.4-3.3.1
grilo
SUSE:Linux Enterprise Server for SAP Applications 15 SP1
 before 0.3.4-3.3.1
0.3.4-3.3.1
grilo
SUSE:Enterprise Storage 6
 before 0.3.4-3.3.1
0.3.4-3.3.1
grilo
Ubuntu:Pro:16.04:LTS
 before 0.2.15-1ubuntu0.1~esm1, plus listed versions
0.2.14-10.2.15-1
0.2.15-1ubuntu0.1~esm1
grilo
Ubuntu:18.04:LTS
 before 0.3.4-1ubuntu0.1, plus listed versions
0.3.4-1
0.3.4-1ubuntu0.1
grilo
Ubuntu:20.04:LTS
 before 0.3.12-1ubuntu0.1, plus listed versions
0.3.10-10.3.11-10.3.12-1
0.3.12-1ubuntu0.1
grilo
Ubuntu:22.04:LTS
 before 0.3.13-1.1
0.3.13-1.1
grilo
openSUSE:Leap 15.2
 before 0.3.12-lp152.2.3.1
0.3.12-lp152.2.3.1
grilo
openSUSE:Leap 15.3
 before 0.3.12-3.3.1
0.3.12-3.3.1

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-39365 is a medium vulnerability (CVSS 5.9) in Gnome Grilo, published August 22, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.87%, the 58th percentile. Fixed in grilo 0.3.6-3.el8.

References

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