CVE-2021-3968
Heap-based Buffer Overflow in vim/vim
Severity Score
8.0
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
vim is vulnerable to Heap-based Buffer Overflow
vim es vulnerable al desbordamiento del búfer en la región Heap de la memoria
Multiple vulnerabilities have been discovered in Vim, the worst of which could result in denial of service. Versions less than 9.0.0060 are affected.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-11-17 CVE Reserved
- 2021-11-19 CVE Published
- 2024-08-03 CVE Updated
- 2024-08-03 First Exploit
- 2025-05-15 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-122: Heap-based Buffer Overflow
- CWE-787: Out-of-bounds Write
CAPEC
References (6)
| URL | Tag | Source |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2022/01/15/1 | Mailing List |
|
| URL | Date | SRC |
|---|---|---|
| https://huntr.dev/bounties/00d62924-a7b4-4a61-ba29-acab2eaa1528 | 2024-08-03 |
| URL | Date | SRC |
|---|---|---|
| https://github.com/vim/vim/commit/a062006b9de0b2947ab5fb376c6e67ef92a8cd69 | 2023-11-07 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Vim Search vendor "Vim" | Vim Search vendor "Vim" for product "Vim" | >= 8.2.3430 < 8.2.3610 Search vendor "Vim" for product "Vim" and version " >= 8.2.3430 < 8.2.3610" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 34 Search vendor "Fedoraproject" for product "Fedora" and version "34" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 35 Search vendor "Fedoraproject" for product "Fedora" and version "35" | - |
Affected
| ||||||