CVE-2020-23171
A vulnerability in all versions of Nim-lang allows unauthenticated attackers to write files to...
A vulnerability in all versions of Nim-lang allows unauthenticated attackers to write files to arbitrary directories via a crafted zip file with dot-slash characters included in the name of the crafted file.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
A vulnerability in all versions of Nim-lang allows unauthenticated attackers to write files to arbitrary directories via a crafted zip file with dot-slash characters included in the name of the crafted file.
- Record
CVE-2020-23171- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-610
- Updated
- 2026-11-02
CVE List No score
A vulnerability in all versions of Nim-lang allows unauthenticated attackers to write files to arbitrary directories via a crafted zip file with dot-slash characters included in the name of the crafted file.
- Record
CVE-2020-23171- Updated
- 2026-11-02
EUVDEUVD-2020-15924 No score
A vulnerability in all versions of Nim-lang allows unauthenticated attackers to write files to arbitrary directories via a crafted zip file with dot-slash characters included in the name of the crafted file.
- Record
EUVD-2020-15924- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3phc-v747-949q No score
A vulnerability in all versions of Nim-lang allows unauthenticated attackers to write files to...
A vulnerability in all versions of Nim-lang allows unauthenticated attackers to write files to arbitrary directories via a crafted zip file with dot-slash characters included in the name of the crafted file.
- Record
GHSA-3phc-v747-949q- Weakness
- CWE-610
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-23171
A vulnerability in all versions of Nim-lang allows unauthenticated attackers to write files to arbitrary directories via a crafted zip file with dot-slash characters included in the name of the crafted file.
- Record
UBUNTU-CVE-2020-23171- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
nimUbuntu:16.04:LTS |
All versions, plus listed versions 0.11.2+dfsg1-40.12.0-2 |
None known |
nimUbuntu:18.04:LTS |
All versions, plus listed versions 0.17.2-1ubuntu10.17.2-1ubuntu2 |
None known |
nimUbuntu:20.04:LTS |
All versions, plus listed versions 0.20.2-11.0.2-11.0.3~rc-11.0.4-11.0.6-1 |
None known |
nimUbuntu:24.04:LTS |
All versions, plus listed versions 1.6.14-11.6.14-1ubuntu11.6.14-1ubuntu2 |
None known |
nimUbuntu:25.10 |
All versions, plus listed versions 1.6.14-1ubuntu22.2.4-1 |
None known |
nimUbuntu:26.10 |
All versions, plus listed versions 2.2.4-22.2.10-1 |
None known |
nimUbuntu:26.04:LTS |
All versions, plus listed versions 2.2.4-12.2.4-2 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-23171 is a medium vulnerability (CVSS 5.5) in Nim-lang, published August 10, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.66%, the 51st percentile. No source names a fixed version.