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CVE-2021-32563

32
FAUCET Score

CVE-2021-32563 is a critical vulnerability affecting Thunar versions before 4.16.7 and 4.17.x before 4.17.2, where the file manager delegates regular files to other programs without user confirmation. This flaw, rated 9.8 CRITICAL (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), allows for unauthenticated remote code execution with low attack complexity. While there is no evidence of active exploitation, public exploit code, or Metasploit modules, the vulnerability has garnered significant community discussion, indicating potential interest.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.16.7CPE matchmatch criteria
cpe:2.3:a:xfce:thunar:*:*:*:*:*:*:*:*
>= 4.17.0, < 4.17.2CPE matchmatch criteria
cpe:2.3:a:xfce:thunar:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.10%
Probability of exploitation in next 30 days
EPSS Percentile
86.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0310 is in the 78th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

gitlab.xfce.org / xfce/thunar/-/commit/1b85b96ebf7cb9bf6a3ddf1acee7643643fdf92d
Patch
gitlab.xfce.org / xfce/thunar/-/commit/3b54d9d7dbd7fd16235e2141c43a7f18718f5664
Patch
gitlab.xfce.org / xfce/thunar/-/commit/9165a61f95e43cc0b5abf9b98eee2818a0191e0b
Patch
gitlab.xfce.org / xfce/thunar/-/tags
Release Notes
openwall.com / lists/oss-security/2021/05/09/2
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2021/05/11/3
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2023/01/05/1
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2023/01/05/2
Mailing ListThird Party Advisory