CVE-2021-29300

CVE-2021-29300 is a critical-severity vulnerability in Ronomon Opened with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Description

The @ronomon/opened library before 1.5.2 is vulnerable to a command injection vulnerability which would allow a remote attacker to execute commands on the system if the library was used with untrusted input.

Frequently asked questions

What is CVE-2021-29300?
The @ronomon/opened library before 1.5.2 is vulnerable to a command injection vulnerability which would allow a remote attacker to execute commands on the system if the library was used with untrusted input.
How severe is CVE-2021-29300?
CVE-2021-29300 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-29300 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-29300?
CVE-2021-29300 affects Ronomon Opened. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-29300?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-29300 published?
CVE-2021-29300 was published on 2021-05-24 and last updated on 2026-06-17.

References

Affected products (1)

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