CVE-2021-30887: apple ios and ipados
CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2021-30887DEBIAN-CVE-2021-30887
Published 24-08-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-30887 is a medium (CVSS 6.5) vulnerability in apple ios and ipados. EPSS estimates a 1.78% chance of exploitation in the next 30 days, higher than 77.9% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
1.78%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 11 · Related 6Timeline
- 24-08-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Monterey 12.0.1, iOS 15.1 and iPadOS 15.1, watchOS 8.1, tvOS 15.1. Processing maliciously crafted web content may lead to unexpectedly unenforced Content Security Policy.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.78%
Chance of exploitation in the next 30 days
Percentile
78%
Versus all other CVEs
30-day change
0.00 pp
From 1.78% on 19-09-2026
19-09-202619-10-2026
EPSS score1.78%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Apple6 products
- ios and ipados≥ unspecified, < 15.1
- ipados< 15.1
- iphone_os< 15.1
- macos≥ unspecified, < 12.0 | ≥ unspecified, < 8.1 | ≥ unspecified, < 15.1 | < 12.0.1
- tvos< 15.1
Ubuntu5 products
- qtwebkit-opensource-srcAll versions (No fix recorded)
- qtwebkit-sourceAll versions (No fix recorded)
- webkit2gtkAll versions (No fix recorded) | < 2.34.3-0ubuntu0.20.04.1 | < 2.34.3-1
- webkitgtkAll versions (No fix recorded)
- wpewebkitAll versions (No fix recorded)
Debian3 products
- webkit2gtk< 2.34.3-1
- wpewebkit< 2.34.3-1
- debian_linuxEOL10.0 | 11.0
Fedoraproject1 product
- fedoraEOL34 | 35
4 vendors · 15 products
References
14 links- support.apple.com/en-us/HT212869X Refsource MISC
- support.apple.com/en-us/HT212867X Refsource MISC
- support.apple.com/en-us/HT212874X Refsource MISC
- support.apple.com/en-us/HT212876X Refsource MISC
