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CVE-2021-28650

19
FAUCET Score

CVE-2021-28650 is a directory traversal vulnerability in GNOME gnome-autoar versions prior to 0.3.1, affecting products like GNOME Shell and Nautilus. This flaw, an incomplete fix for a previous vulnerability, allows an attacker to extract files to arbitrary locations due to a missing check for symlinked parent directories during extraction. Rated Medium severity (CVSS 5.5), it requires local access and low privileges, potentially leading to high confidentiality impact without affecting integrity or availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.3.1CPE matchmatch criteria
cpe:2.3:a:gnome:gnome-autoar:*:*:*:*:*:*:*:*
34CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.53%
Probability of exploitation in next 30 days
EPSS Percentile
41.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0053 is in the 93rd percentile among its peer group of 15,940 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: gnome-autoar-0:0.2.3-2.el8
View patch

Vendor Advisories (1)

redhatCVE-2021-28650Low

gnome-autoar: Directory traversal via directory symbolic links pointing outside of the destination directory (incomplete CVE-2020-36241 fix)

Mar 1, 2021

References

gitlab.gnome.org / GNOME/gnome-autoar/-/commit/8109c368c6cfdb593faaf698c2bf5da32bb1ace4
PatchVendor Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/BN5TVQ7OHZEGY6AGFLAZWCVCI53RYNHQ
security.gentoo.org / glsa/202105-10
Third Party Advisory