7.3
HIGH
CVE-2021-3796
Vim Use After Free Vulnerability
Description

vim is vulnerable to Use After Free

INFO

Published Date :

Sept. 15, 2021, 1:15 p.m.

Last Modified :

Nov. 7, 2023, 3:38 a.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.5

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-3796 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Fedoraproject fedora
1 Debian debian_linux
1 Netapp ontap_select_deploy_administration_utility
1 Vim vim
: Total Affected Vendor : 4 | Products : 4
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-3796.

URL Resource
http://www.openwall.com/lists/oss-security/2021/10/01/1 Mailing List Third Party Advisory
https://github.com/vim/vim/commit/35a9a00afcb20897d462a766793ff45534810dc3 Patch Third Party Advisory
https://huntr.dev/bounties/ab60b7f3-6fb1-4ac2-a4fa-4d592e08008d Exploit Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/01/msg00003.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7K4JJBIH3OQSZRVTWKCJCDLGMFGQ5DOH/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S42L4Z4DTW4LHLQ4FJ33VEOXRCBE7WN4/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TE62UMYBZE4AE53K6OBBWK32XQ7544QM/
https://security.gentoo.org/glsa/202208-32 Third Party Advisory
https://security.netapp.com/advisory/ntap-20221118-0004/ Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-3796 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-3796 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference huntr.dev https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TE62UMYBZE4AE53K6OBBWK32XQ7544QM/ [No types assigned]
    Added Reference huntr.dev https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S42L4Z4DTW4LHLQ4FJ33VEOXRCBE7WN4/ [No types assigned]
    Added Reference huntr.dev https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7K4JJBIH3OQSZRVTWKCJCDLGMFGQ5DOH/ [No types assigned]
    Removed Reference huntr.dev https://lists.fedoraproject.org/archives/list/[email protected]/message/TE62UMYBZE4AE53K6OBBWK32XQ7544QM/
    Removed Reference huntr.dev https://lists.fedoraproject.org/archives/list/[email protected]/message/S42L4Z4DTW4LHLQ4FJ33VEOXRCBE7WN4/
    Removed Reference huntr.dev https://lists.fedoraproject.org/archives/list/[email protected]/message/7K4JJBIH3OQSZRVTWKCJCDLGMFGQ5DOH/
  • Modified Analysis by [email protected]

    Jan. 11, 2023

    Action Type Old Value New Value
    Changed Reference Type https://security.netapp.com/advisory/ntap-20221118-0004/ No Types Assigned https://security.netapp.com/advisory/ntap-20221118-0004/ Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Nov. 18, 2022

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20221118-0004/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Aug. 29, 2022

    Action Type Old Value New Value
    Changed Reference Type https://security.gentoo.org/glsa/202208-32 No Types Assigned https://security.gentoo.org/glsa/202208-32 Third Party Advisory
  • CVE Modified by [email protected]

    Aug. 21, 2022

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/202208-32 [No Types Assigned]
  • Modified Analysis by [email protected]

    Feb. 28, 2022

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/01/msg00003.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/01/msg00003.html Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jan. 11, 2022

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2022/01/msg00003.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Nov. 24, 2021

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/7K4JJBIH3OQSZRVTWKCJCDLGMFGQ5DOH/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/7K4JJBIH3OQSZRVTWKCJCDLGMFGQ5DOH/ Mailing List, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Nov. 17, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/7K4JJBIH3OQSZRVTWKCJCDLGMFGQ5DOH/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Nov. 17, 2021

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Nov. 10, 2021

    Action Type Old Value New Value
    Removed Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/7K4JJBIH3OQSZRVTWKCJCDLGMFGQ5DOH/ [Mailing List, Third Party Advisory]
  • Reanalysis by [email protected]

    Nov. 09, 2021

    Action Type Old Value New Value
    Changed Reference Type http://www.openwall.com/lists/oss-security/2021/10/01/1 Mailing List http://www.openwall.com/lists/oss-security/2021/10/01/1 Mailing List, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:* versions up to (including) 8.2.3428 OR *cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:* versions up to (excluding) 8.2.3428
  • Modified Analysis by [email protected]

    Nov. 05, 2021

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/7K4JJBIH3OQSZRVTWKCJCDLGMFGQ5DOH/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/7K4JJBIH3OQSZRVTWKCJCDLGMFGQ5DOH/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/S42L4Z4DTW4LHLQ4FJ33VEOXRCBE7WN4/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/S42L4Z4DTW4LHLQ4FJ33VEOXRCBE7WN4/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/TE62UMYBZE4AE53K6OBBWK32XQ7544QM/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/TE62UMYBZE4AE53K6OBBWK32XQ7544QM/ Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Oct. 30, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/7K4JJBIH3OQSZRVTWKCJCDLGMFGQ5DOH/ [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 23, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/S42L4Z4DTW4LHLQ4FJ33VEOXRCBE7WN4/ [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 16, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/TE62UMYBZE4AE53K6OBBWK32XQ7544QM/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Oct. 12, 2021

    Action Type Old Value New Value
    Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:H
    Changed Reference Type http://www.openwall.com/lists/oss-security/2021/10/01/1 No Types Assigned http://www.openwall.com/lists/oss-security/2021/10/01/1 Mailing List
  • CVE Modified by [email protected]

    Oct. 01, 2021

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2021/10/01/1 [No Types Assigned]
  • Initial Analysis by [email protected]

    Sep. 27, 2021

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/vim/vim/commit/35a9a00afcb20897d462a766793ff45534810dc3 No Types Assigned https://github.com/vim/vim/commit/35a9a00afcb20897d462a766793ff45534810dc3 Patch, Third Party Advisory
    Changed Reference Type https://huntr.dev/bounties/ab60b7f3-6fb1-4ac2-a4fa-4d592e08008d No Types Assigned https://huntr.dev/bounties/ab60b7f3-6fb1-4ac2-a4fa-4d592e08008d Exploit, Issue Tracking, Patch, Third Party Advisory
    Added CWE NIST CWE-416
    Added CPE Configuration OR *cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:* versions up to (including) 8.2.3428
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-3796 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-3796 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.10 }} 0.00%

score

0.40481

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: