PatchTheCVECVE-2020-7623: jscover through 1.0.0 is vulnerable to Command Injection
CVE-2020-7623 is a critical-severity flaw (CVSS 9.8) affecting jscover. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
jscover through 1.0.0 is vulnerable to Command Injection. It allows execution of arbitrary command via the source argument.
Why this priority
- Critical severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 3.6% (top 11%) |
| CISA exploited list | No |
| Weakness | CWE-78 |
| Published | 2020-04-02 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2020-7623?
jscover: upgrade to newer than 1.0.0. Exact commands for each OS are on this page.
Is CVE-2020-7623 being exploited?
CVE-2020-7623 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2020-7623 affect?
CVE-2020-7623 affects jscover. Severity is critical (CVSS 9.8). jscover through 1.0.0 is vulnerable to Command Injection. It allows execution of arbitrary command via the source argument.
How urgent is CVE-2020-7623?
Priority 62/100. Critical severity; Remotely exploitable, no login, no user action