NVD / CVE Program· CNA apple

CVE-2021-30835: This issue was addressed with improved checks.

Noroxi assessment

Priority: Monitor (action score 32/100)

The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
Probability of exploitation in the next 30 days: 3% (FIRST EPSS); higher than 87.7% of all records.
Someone with local access to the system can trigger it. No account or password is required. A user must open a link or visit a page. No special conditions are required; it is repeatable.
According to the record, no fixed version is available yet.
Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Update when a fix is released; follow the vendor's advisory.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

This issue was addressed with improved checks. This issue is fixed in Security Update 2021-005 Catalina, iTunes 12.12 for Windows, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing a maliciously crafted image may lead to arbitrary code execution.

HighCVSS 7.8 · v3.1—No exploit No fix recorded

Published: Oct 19, 2021
Updated: Jun 16, 2026
EPSS: 3.0% · 87th percentile
CWE: —

Report tools

JSON

Action score

Monitor

Low priority for now.

CVSS: 31 / 40 · 7.8 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 1 / 30 · 3.0%

Get told when this record changes

Not in KEV: no record of exploitation in the wild
No public exploit code on record
No fixed version yet

If any of these changes, we'll tell you in the daily email digest.

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

Vendor	Product	CPE
apple	itunes	cpe:2.3:a:apple:itunes
apple	ipados	cpe:2.3:o:apple:ipados
apple	iphone os	cpe:2.3:o:apple:iphone_os
apple	mac os x	cpe:2.3:o:apple:mac_os_x
apple	macos	cpe:2.3:o:apple:macos
apple	tvos	cpe:2.3:o:apple:tvos
apple	watchos	cpe:2.3:o:apple:watchos

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

apple ipadosbefore 15.0
apple iphone osbefore 15.0
apple itunesbefore 12.12
apple mac os x10.15 and later · up to 10.15.6 inclusive
apple mac os x10.15.7
apple macosbefore 11.6
apple tvosbefore 15.0
apple watchosbefore 8.0

Versions reported by the vendor

Affected version ranges reported by the assigning authority (apple). Independent of NVD's CPE analysis and usually ahead of it.

Apple iOS and iPadOS
- unspecified and later · before 15affected
Apple iTunes for Windows
- unspecified and later · before 12.12affected
Apple Security Update - Catalina
- unspecified and later · before 2021affected
Apple tvOS
- unspecified and later · before 15affected
Apple watchOS
- unspecified and later · before 8affected

Same product

apple: all records

Other highest-scoring records for the same primary product.

CVE-2005-0043Buffer overflow in Apple iTunes 4.7 allows remote attackers to execute arbitrary code via a long URL in (1) .m3u or (2) .pls playlist files.
51Plan
CVE-2009-0950Stack-based buffer overflow in Apple iTunes before 8.2 allows remote attackers to execute arbitrary code or cause a denial of service (appli
46Plan
CVE-2012-0677Heap-based buffer overflow in Apple iTunes before 10.6.3 allows remote attackers to execute arbitrary code or cause a denial of service (app
42Plan

Published before and after this one in the same product

← EarlierCVE-2019-8898Oct 27, 2020 · An information disclosure issue existed in the handling of the Storage Access API.
17Monitor
← EarlierCVE-2020-27895Dec 8, 2020 · An information disclosure issue existed in the transition of program state.
13Monitor
Later →CVE-2021-30847Oct 19, 2021 · This issue was addressed with improved checks.
32Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

No history yet (it accumulates with the daily EPSS job).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

TR-21-0758 · Sep 21, 2021(Apple Güvenlik Zafiyeti)

All national notices →

Technical details

Attack conditions

Someone with local access to the system can trigger it.
No account or password is required.
A user must open a link or visit a page.
No special conditions are required; it is repeatable.

If successful

Confidentiality: high · data can be read
Integrity: high · data or configuration can be modified
Availability: high · the service can be disrupted

Attack vector: Local
Attack complexity: Low
Privileges required: None
User interaction: Required
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

Weakness class (CWE)

—

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

seclists.org/fulldisclosure/2021/Oct/61

Show all references (9 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records