CVE-2021-4193: apple mac_os_x Out-of-bounds Read
CVSS: 5.5v3.0MediumModified
AliasesALPINE-CVE-2021-4193UBUNTU-CVE-2021-4193DEBIAN-CVE-2021-4193
Published 31-12-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-4193 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in apple mac_os_x. EPSS estimates a 1.75% chance of exploitation in the next 30 days, higher than 77.5% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.5/10
010
Medium · v3.0 (CVE.org)EPSS score
1.75%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 10 · Related 7Timeline
- 31-12-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
vim is vulnerable to Out-of-bounds Read
CVSS metrics
8 scores · 5 sources · 3 versionsMedium 5.5Preferred score · OSV · Alpine (Ecosystem advisory) · calculated from vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Medium 5.5Preferred score · CVE.org (CNA)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- NVDNIST5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
1.75%
Chance of exploitation in the next 30 days
Percentile
78%
Versus all other CVEs
30-day change
0.00 pp
From 1.75% on 19-09-2026
19-09-202619-10-2026
EPSS score1.75%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (huntr.dev)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Apple2 products
- mac_os_x10.15.7 | 10.15.7:security_update_2020-001 | 10.15.7:security_update_2021-001 | 10.15.7:security_update_2021-002 | 10.15.7:security_update_2021-003 | 10.15.7:security_update_2021-004 | 10.15.7:security_update_2021-005 | 10.15.7:security_update_2021-006 | 10.15.7:security_update_2021-007 | 10.15.7:security_update_2021-008 | 10.15.7:security_update_2022-001 | 10.15.7:security_update_2022-002 | 10.15.7:security_update_2022-003
- macosEOL< 12.3 | ≥ 11.0, < 11.6.6 | 10.15.7:security_update_2022-004
Debian2 products
- vim< 2:8.2.3995-1
- debian_linuxEOL9.0 | 10.0
Alpine1 product
- vim< 8.2.4173-r0
Fedoraproject1 product
- fedoraEOL34
Ubuntu1 product
- vim< 2:7.4.052-1ubuntu3.1+esm9 | < 2:7.4.1689-3ubuntu1.5+esm5 | < 2:8.0.1453-1ubuntu1.13 | < 2:8.1.2269-1ubuntu5.14
6 vendors · 9 products
References
20 links- lists.fedoraproject.org/archives/…Vendor Advisory
- support.apple.com/kb/HT213256Third Party Advisory
- support.apple.com/kb/HT213343Third Party Advisory
