CVE-2019-12097
Telerik Fiddler v5.0.20182.28034 doesn't verify the hash of EnableLoopback.exe before running it,...
Telerik Fiddler v5.0.20182.28034 doesn't verify the hash of EnableLoopback.exe before running it, which could lead to code execution or local privilege escalation by replacing the original EnableLoopback.exe.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Telerik Fiddler v5.0.20182.28034 doesn't verify the hash of EnableLoopback.exe before running it, which could lead to code execution or local privilege escalation by replacing the original EnableLoopback.exe.
- Record
CVE-2019-12097- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-354
- Updated
- 2026-11-02
CVE List No score
Telerik Fiddler v5.0.20182.28034 doesn't verify the hash of EnableLoopback.exe before running it, which could lead to code execution or local privilege escalation by replacing the original EnableLoopback.exe.
- Record
CVE-2019-12097- Updated
- 2026-11-02
EUVDEUVD-2019-3749 No score
Telerik Fiddler v5.0.20182.28034 doesn't verify the hash of EnableLoopback.exe before running it, which could lead to code execution or local privilege escalation by replacing the original EnableLoopback.exe.
- Record
EUVD-2019-3749- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rjcf-8wrm-39hf No score
Telerik Fiddler v5.0.20182.28034 doesn't verify the hash of EnableLoopback.exe before running it,...
Telerik Fiddler v5.0.20182.28034 doesn't verify the hash of EnableLoopback.exe before running it, which could lead to code execution or local privilege escalation by replacing the original EnableLoopback.exe.
- Record
GHSA-rjcf-8wrm-39hf- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-12097 is a high vulnerability (CVSS 7.8) in Progress Fiddler, published June 3, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.58%, the 47th percentile. No source names a fixed version.