CVE-2021-3769
OS Command Injection in ohmyzsh/ohmyzsh
7.5 High
Vulnerability in pygmalion, pygmalion-virtualenv and refined themes Description: these themes use print -P on user-supplied strings to print them to the terminal. All of them do that on git information, particularly the branch name, so if the branch has a specially-crafted name the vulnerability can be exploited. Fixed in: b3ba9978. Impacted areas: - pygmalion theme. - pygmalion-virtualenv theme. - refined theme.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
0.97%Up 0.6 points since Dec 1, 2021
What each source reports
CVE List Score used
OS Command Injection in ohmyzsh/ohmyzsh
Vulnerability in pygmalion, pygmalion-virtualenv and refined themes Description: these themes use print -P on user-supplied strings to print them to the terminal. All of them do that on git information, particularly the branch name, so if the branch has a specially-crafted name the vulnerability can be exploited. Fixed in: b3ba9978. Impacted areas: - pygmalion theme. - pygmalion-virtualenv theme. - refined theme.
- Record
CVE-2021-3769- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-78
- Updated
- 2026-11-02
EUVDEUVD-2021-27038
Vulnerability in pygmalion, pygmalion-virtualenv and refined themes Description: these themes use print -P on user-supplied strings to print them to the terminal. All of them do that on git information, particularly the branch name, so if the branch has a specially-crafted name the vulnerability can be exploited. Fixed in: b3ba9978. Impacted areas: - pygmalion theme. - pygmalion-virtualenv theme. - refined theme.
- Record
EUVD-2021-27038- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f8r6-c3hp-ccv4 No score
# Vulnerability in `pygmalion`, `pygmalion-virtualenv` and `refined` themes **Description**:...
Vulnerability in pygmalion, pygmalion-virtualenv and refined themes Description: these themes use print -P on user-supplied strings to print them to the terminal. All of them do that on git information, particularly the branch name, so if the branch has a specially-crafted name the vulnerability can be exploited. Fixed in: b3ba9978. Impacted areas: - pygmalion theme. - pygmalion-virtualenv theme. - refined theme.
- Record
GHSA-f8r6-c3hp-ccv4- Weakness
- CWE-78
- Updated
- 2026-11-02
NVD
Vulnerability in pygmalion, pygmalion-virtualenv and refined themes Description: these themes use print -P on user-supplied strings to print them to the terminal. All of them do that on git information, particularly the branch name, so if the branch has a specially-crafted name the vulnerability can be exploited. Fixed in: b3ba9978. Impacted areas: - pygmalion theme. - pygmalion-virtualenv theme. - refined theme.
- Record
CVE-2021-3769- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-78
- Updated
- 2026-11-02
OSV
Vulnerability in pygmalion, pygmalion-virtualenv and refined themes Description: these themes use print -P on user-supplied strings to print them to the terminal. All of them do that on git information, particularly the branch name, so if the branch has a specially-crafted name the vulnerability can be exploited. Fixed in: b3ba9978. Impacted areas: - pygmalion theme. - pygmalion-virtualenv theme. - refined theme.
- Record
CVE-2021-3769- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
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-2021-3769 is a high vulnerability (CVSS 7.5) in Ohmyzsh Ohmyzsh/ohmyzsh, published November 30, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.97%, the 62nd percentile. No source names a fixed version.