Is CVE-2021-3769 actively exploited?

No active exploitation of CVE-2021-3769 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-3769 be exploited remotely?

Yes. CVE-2021-3769 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-3769?

CVE-2021-3769 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2021-3769

CRITICAL

CVE-2021-3769

CWE-78Published: November 30, 2021· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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](https://github.com/ohmyzsh/ohmyzsh/commit/b3ba9978). **Impacted areas**: - `pygmalion` theme. - `pygmalion-virtualenv` theme. - `refined` theme.

NVD Source

Technical Analysis

CVE-2021-3769 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.