Vulnerability Intelligence Report
CVE-2021-40391
An out-of-bounds write vulnerability exists in the drill format T-code tool number functionality of Gerbv 2.7.0, dev (commit b5f1eacd), and the forked version of Gerbv (commit 71493260). A specially-crafted drill file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.
No Active Exploit Signals
CVSS Base Score
10.0
CRITICAL
Exploitability:3.9
Impact Score:6.1
EPSS Probability:2.92%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-390 ↗CWE-390: Detection of Error Condition Without Action
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| gerbv_project | gerbv | 2.7.0 |
| debian | debian_linux | 9.0 |
| fedoraproject | fedora | 36 |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
2.916%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Talos · Researcher · USA |
| Reserved | 2021-09-01T00:00:00 |
| Published | 2021-11-19T18:53:49 |
| Last Updated | 2024-08-04T02:44:09 |
Community Chatter & Buzz