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CVE-2022-22821

Path Traversal in nemo-toolkit

2.0 LowFix available

NVIDIA NeMo before 1.6.0 contains a vulnerability in ASR WebApp, in which ../ Path Traversal may lead to deletion of any directory when admin privileges are available.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
High
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
Low
Availability
None

Exploit likelihood

0.31%Down 0.6 points since Feb 8, 2022
90%50%10%1%

What each source reports

CVE List Score used 2.0

NVIDIA NeMo before 1.6.0 contains a vulnerability in ASR WebApp, in which ../ Path Traversal may lead to deletion of any directory when admin privileges are available.

Record
CVE-2022-22821
CVSS 3.1
2.0 LowCVSS:3.1/AC:L/AV:L/A:N/C:N/I:L/PR:H/S:U/UI:R
Updated
2026-11-02
EUVDEUVD-2022-0546 2.0

NVIDIA NeMo before 1.6.0 contains a vulnerability in ASR WebApp, in which ../ Path Traversal may lead to deletion of any directory when admin privileges are available.

Record
EUVD-2022-0546
CVSS 3.1
2.0 LowCVSS:3.1/AC:L/AV:L/A:N/C:N/I:L/PR:H/S:U/UI:R
Updated
2026-11-03
GitHub AdvisoriesGHSA-9hg3-hmmf-c3gr 4.4

Path Traversal in nemo-toolkit

NVIDIA NeMo before 1.6.0 contains a vulnerability in ASR WebApp, in which ../ Path Traversal may lead to deletion of any directory when admin privileges are available.

Record
GHSA-9hg3-hmmf-c3gr
CVSS 3.1
4.4 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-22
Updated
2026-11-02
GitHub AdvisoriesGHSA-rpx7-33j2-xx9x 2.0

Arbitrary file deletion in NeMo ASR webapp

Description

NVIDIA NeMo contains a vulnerability in ASR WebApp, where Relative Path Traversal (CWE-23) may lead to deletion of any directory through the "../" structure when admin privileges are available.

CVSS Score = 2.0 https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N

Impact

When the optional tool ASR Webapp (https://github.com/NVIDIA/NeMo/tree/main/tools/asr_webapp) is used prior to commit https://github.com/NVIDIA/NeMo/commit/f7e4ed7e4f7f2fa43765a38c2fafa1b6d1ebd7c0, some interfaces do not verify user input. Malicious attackers can construct malicious requests to delete any directory through the "../" structure.

The vulnerability affects only cases where this particular web app is started by a user with superuser permissions. The web application is not a part of the regular pip release or the corresponding container, and impacts only users that clone the repository in its entirety and execute the web app (while also possessing superuser permissions).

Patches

This vulnerability has been patched via https://github.com/NVIDIA/NeMo/commit/f7e4ed7e4f7f2fa43765a38c2fafa1b6d1ebd7c0, which is effectively any clone of the repository post r1.5.1 branch. Since the web app is not distributed via pip release or container, users who clone the main branch post this commit will possess the patch.

Workarounds

The changes in commit https://github.com/NVIDIA/NeMo/commit/f7e4ed7e4f7f2fa43765a38c2fafa1b6d1ebd7c0 can be applied to any version of the web app without any adverse effect.

Additional Information

Exploit Found on: 2021.12.16 Exploit Found by: @haby0

Record
GHSA-rpx7-33j2-xx9x
CVSS 3.1
2.0 LowCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
Updated
2026-11-02
NVD 2.0

NVIDIA NeMo before 1.6.0 contains a vulnerability in ASR WebApp, in which ../ Path Traversal may lead to deletion of any directory when admin privileges are available.

Record
CVE-2022-22821
CVSS 3.1
2.0 LowCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
CVSS 3.1
4.4 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0
2.1 LowAV:L/AC:L/Au:N/C:N/I:P/A:N
Weakness
CWE-22
Updated
2026-11-02
OSV 2.0

NVIDIA NeMo before 1.6.0 contains a vulnerability in ASR WebApp, in which ../ Path Traversal may lead to deletion of any directory when admin privileges are available.

Record
CVE-2022-22821
CVSS 3.1
2.0 LowCVSS:3.1/AC:L/AV:L/A:N/C:N/I:L/PR:H/S:U/UI:R
Updated
2026-11-02
OSVGHSA-9hg3-hmmf-c3gr 4.4

Path Traversal in nemo-toolkit

NVIDIA NeMo before 1.6.0 contains a vulnerability in ASR WebApp, in which ../ Path Traversal may lead to deletion of any directory when admin privileges are available.

Record
GHSA-9hg3-hmmf-c3gr
CVSS 3.1
4.4 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-22
Updated
2026-11-02
OSVGHSA-rpx7-33j2-xx9x 2.0

Arbitrary file deletion in NeMo ASR webapp

Description

NVIDIA NeMo contains a vulnerability in ASR WebApp, where Relative Path Traversal (CWE-23) may lead to deletion of any directory through the "../" structure when admin privileges are available.

CVSS Score = 2.0 https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N

Impact

When the optional tool ASR Webapp (https://github.com/NVIDIA/NeMo/tree/main/tools/asr_webapp) is used prior to commit https://github.com/NVIDIA/NeMo/commit/f7e4ed7e4f7f2fa43765a38c2fafa1b6d1ebd7c0, some interfaces do not verify user input. Malicious attackers can construct malicious requests to delete any directory through the "../" structure.

The vulnerability affects only cases where this particular web app is started by a user with superuser permissions. The web application is not a part of the regular pip release or the corresponding container, and impacts only users that clone the repository in its entirety and execute the web app (while also possessing superuser permissions).

Patches

This vulnerability has been patched via https://github.com/NVIDIA/NeMo/commit/f7e4ed7e4f7f2fa43765a38c2fafa1b6d1ebd7c0, which is effectively any clone of the repository post r1.5.1 branch. Since the web app is not distributed via pip release or container, users who clone the main branch post this commit will possess the patch.

Workarounds

The changes in commit https://github.com/NVIDIA/NeMo/commit/f7e4ed7e4f7f2fa43765a38c2fafa1b6d1ebd7c0 can be applied to any version of the web app without any adverse effect.

Additional Information

Exploit Found on: 2021.12.16 Exploit Found by: @haby0

Record
GHSA-rpx7-33j2-xx9x
CVSS 3.1
2.0 LowCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
Updated
2026-11-02
OSVPYSEC-2026-685 4.4

Path Traversal in nemo-toolkit

NVIDIA NeMo before 1.6.0 contains a vulnerability in ASR WebApp, in which ../ Path Traversal may lead to deletion of any directory when admin privileges are available.

Record
PYSEC-2026-685
CVSS 3.1
4.4 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
nemo-toolkit
PyPI
 before 1.6.0
1.6.0
nemo-toolkit
PyPI
 before 1.6.0, plus listed versions
0.10.00.10.0b00.10.0b10.10.0b100.10.0b2
Show 39 moreShow less
0.10.0b30.10.0b40.10.0b50.10.0b60.10.0b70.10.0b80.10.0b90.10.10.11.00.11.0b10.11.0b100.11.0b110.11.0b120.11.0b140.11.0b20.11.0b30.11.0b40.11.0b50.11.0b60.11.0b80.80.8.10.8.20.9.01.0.01.0.0a41.0.0b01.0.0b11.0.0b21.0.0b31.0.0rc11.0.11.0.21.1.01.2.01.3.01.4.01.5.01.5.1
1.6.0

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-2022-22821 is a low vulnerability (CVSS 2.0) in Nvidia Nemo, published January 8, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.31%, the 23rd percentile. Fixed in nemo-toolkit 1.6.0.

References

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