VulnerabilityModified
CVE-2021-35331
In Tcl 8.6.11, a format string vulnerability in nmakehlp.c might allow code execution via a crafted file.
HIGH 7.8EPSS 1.64%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.64%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In Tcl 8.6.11, a format string vulnerability in nmakehlp.c might allow code execution via a crafted file. NOTE: multiple third parties dispute the significance of this finding
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.64% probability · 75th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-134
- Affected
- tcl/tcl
- Source
- cve@mitre.org
References
- https://core.tcl-lang.org/tcl/info/28ef6c0c741408a2Exploit, Patch, Vendor Advisory
- https://core.tcl-lang.org/tcl/info/bad6cc213dfe8280Exploit, Vendor Advisory
- https://github.com/tcltk/tcl/commit/4705dbdde2f32ff90420765cd93e7ac71d81a222Patch, Third Party Advisory
- https://sqlite.org/forum/info/7dcd751996c93ec9Exploit, Third Party Advisory
- https://core.tcl-lang.org/tcl/info/28ef6c0c741408a2Exploit, Patch, Vendor Advisory
- https://core.tcl-lang.org/tcl/info/bad6cc213dfe8280Exploit, Vendor Advisory
- https://github.com/tcltk/tcl/commit/4705dbdde2f32ff90420765cd93e7ac71d81a222Patch, Third Party Advisory
- https://sqlite.org/forum/info/7dcd751996c93ec9Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.