CVE-2021-33896

Dino before 0.1.2 and 0.2.x before 0.2.1 allows Directory Traversal (only for creation of new...

5.3 MediumFix available

Dino before 0.1.2 and 0.2.x before 0.2.1 allows Directory Traversal (only for creation of new files) via URI-encoded path separators.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: None

Exploit likelihood

1.77%Down 1.9 points since Jun 8, 2021

What each source reports

NVD Score used 5.3

Dino before 0.1.2 and 0.2.x before 0.2.1 allows Directory Traversal (only for creation of new files) via URI-encoded path separators.

Record: CVE-2021-33896
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:P/A:N
Weakness: CWE-22
Updated: 2026-11-02

CVE List No score

Dino before 0.1.2 and 0.2.x before 0.2.1 allows Directory Traversal (only for creation of new files) via URI-encoded path separators.

Record: CVE-2021-33896
Updated: 2026-11-02

EUVDEUVD-2021-20569 No score

Dino before 0.1.2 and 0.2.x before 0.2.1 allows Directory Traversal (only for creation of new files) via URI-encoded path separators.

Record: EUVD-2021-20569
Updated: 2026-11-03

GitHub AdvisoriesGHSA-8j28-3ggh-xffw No score

Dino before 0.1.2 and 0.2.x before 0.2.1 allows Directory Traversal (only for creation of new...

Dino before 0.1.2 and 0.2.x before 0.2.1 allows Directory Traversal (only for creation of new files) via URI-encoded path separators.

Record: GHSA-8j28-3ggh-xffw
Weakness: CWE-22
Updated: 2026-11-02

OSVALPINE-CVE-2021-33896 5.3

Dino before 0.1.2 and 0.2.x before 0.2.1 allows Directory Traversal (only for creation of new files) via URI-encoded path separators.

Record: ALPINE-CVE-2021-33896
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-03

OSV 5.3

Dino before 0.1.2 and 0.2.x before 0.2.1 allows Directory Traversal (only for creation of new files) via URI-encoded path separators.

Record: CVE-2021-33896
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-02

OSVDEBIAN-CVE-2021-33896 5.3

Dino before 0.1.2 and 0.2.x before 0.2.1 allows Directory Traversal (only for creation of new files) via URI-encoded path separators.

Record: DEBIAN-CVE-2021-33896
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-02

OSVUBUNTU-CVE-2021-33896 5.3

Dino before 0.1.2 and 0.2.x before 0.2.1 allows Directory Traversal (only for creation of new files) via URI-encoded path separators.

Record: UBUNTU-CVE-2021-33896
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-02

OSVMGASA-2021-0401 No score

Updated dino packages fix security vulnerability

Updated dino packages fix security vulnerability:

Dino before 0.1.2 and 0.2.x before 0.2.1 allows Directory Traversal (only for creation of new files) via URI-encoded path separators (CVE-2021-33896).

Record: MGASA-2021-0401
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`dino` Alpine:v3.13	0.2.0 up to 0.2.1-r0	0.2.1-r0
`dino` Alpine:v3.14	0.2.0 up to 0.2.1-r0	0.2.1-r0
`dino` Alpine:v3.15	0.2.0 up to 0.2.1-r0	0.2.1-r0
`dino` Alpine:v3.16	0.2.0 up to 0.2.1-r0	0.2.1-r0
`dino` Alpine:v3.17	0.2.0 up to 0.2.1-r0	0.2.1-r0
`dino` Alpine:v3.18	0.2.0 up to 0.2.1-r0	0.2.1-r0
`dino` Alpine:v3.19	0.2.0 up to 0.2.1-r0	0.2.1-r0
`dino` Alpine:v3.20	0.2.0 up to 0.2.1-r0	0.2.1-r0
`dino` Alpine:v3.21	0.2.0 up to 0.2.1-r0	0.2.1-r0
`dino` Alpine:v3.22	0.2.0 up to 0.2.1-r0	0.2.1-r0

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Affected packages
Package	Affected	Fixed
`dino` Alpine:v3.23	0.2.0 up to 0.2.1-r0	0.2.1-r0
`dino` Alpine:v3.24	0.2.0 up to 0.2.1-r0	0.2.1-r0
`dino-im` Debian:12	before 0.2.0-3	0.2.0-3
`dino-im` Debian:13	before 0.2.0-3	0.2.0-3
`dino-im` Debian:14	before 0.2.0-3	0.2.0-3
`dino` Mageia:8	before 0.2.0-1.1.mga8	0.2.0-1.1.mga8
`dino-im` Ubuntu:18.04:LTS	All versions, plus listed versions 0.0.git20180130-10.0.git20180130-1ubuntu0.1	None known
`dino-im` Ubuntu:Pro:20.04:LTS	All versions, plus listed versions 0.0.git20190916.f746ce7-10.0.git20191002.7adb0e8-10.0.git20191028.388cc56-10.0.git20191119.f9c69a2-10.0.git20191119.f9c69a2-2 Show 6 moreShow less 0.0.git20191219.9565140-10.0.git20200109.3fc9bda-10.1.0-10.1.0-1build10.1.0-1build20.1.0-1ubuntu0.1~esm1	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	affected, aliases, references	OSV
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-2021-33896 is a medium vulnerability (CVSS 5.3) in Dino, published June 7, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.77%, the 78th percentile. Fixed in dino 0.2.1-r0.

References

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