CVE-2021-39361

In GNOME evolution-rss through 0.3.96, network-soup.c does not enable TLS certificate...

5.9 Medium

In GNOME evolution-rss through 0.3.96, network-soup.c does not enable TLS certificate verification on the SoupSessionSync 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

0.56%Down 0.1 points since Aug 23, 2021

What each source reports

NVD Score used 5.9

Record: CVE-2021-39361
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

Record: CVE-2021-39361
Updated: 2026-11-02

EUVDEUVD-2021-25722 No score

Record: EUVD-2021-25722
Updated: 2026-11-03

GitHub AdvisoriesGHSA-hcvp-gmj3-5g5v No score

In GNOME evolution-rss through 0.3.96, network-soup.c does not enable TLS certificate...

Record: GHSA-hcvp-gmj3-5g5v
Weakness: CWE-295
Updated: 2026-11-02

OSV 5.9

Record: CVE-2021-39361
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-2021-39361 5.9

Record: DEBIAN-CVE-2021-39361
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

OSVUBUNTU-CVE-2021-39361 5.9

Record: UBUNTU-CVE-2021-39361
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

Affected products

gnome evolution-rss

Affected packages

Affected packages
Package	Affected	Fixed
`evolution-rss` Debian:11	All versions, plus listed versions 0.3.96-20.3.96-30.3.96-4	None known
`evolution-rss` Ubuntu:16.04:LTS	All versions, plus listed versions 0.3.95-20.3.95-4build1	None known
`evolution-rss` Ubuntu:18.04:LTS	All versions, plus listed versions 0.3.95-7build10.3.95-80.3.95-8build10.3.95-8build2	None known
`evolution-rss` Ubuntu:20.04:LTS	All versions, plus listed versions 0.3.95-10build10.3.95-110.3.95-11ubuntu10.3.95-120.3.96-1	None known
`evolution-rss` Ubuntu:22.04:LTS	All versions, plus listed versions 0.3.96-30.3.96-40.3.96-4build10.3.96-4build2	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2021-39361 is a medium vulnerability (CVSS 5.9) in Gnome Evolution-rss, published August 22, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.56%, the 46th percentile. No source names a fixed version.