Vulnerability in Telerik Fiddler

CVE-2020-13661

Telerik Fiddler through 5.0.20202.18177 allows attackers to execute arbitrary programs via a hostname with a trailing space character, followed by --utility-and-browser --utility-cmd-prefix= and the pathname of a locally installed program. The victim must interactively choose the Open On Browser option. Fixed in version 5.0.20204.

EPSS: 0.011 (63.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

References

Frequently asked questions

What is CVE-2020-13661?
CVE-2020-13661 is a high-severity vulnerability in Telerik Fiddler. CVSS score: 8.8/10. Published 2020-11-05.
How severe is CVE-2020-13661?
High severity. CVSS v3 base score is 8.8 out of 10.