Exploitation evidence
Known exploited · CISA KEV listed
Added 2023-03-30. Ransomware campaign use: Unknown.
CISA required action: Apply updates per vendor instructions.
CISA due date: 2023-04-20. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
Apple / iOS and iPadOS
Default status: Not specified
- affected: unspecified to < 15.1 (custom)
Apple / iOS and iPadOS
Default status: Not specified
- affected: unspecified to < 14.8 (custom)
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.05204,
"percentile": 0.92599
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.05204,
"percentile": 0.92552
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.05204,
"percentile": 0.92543
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.05204,
"percentile": 0.92539
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.05204,
"percentile": 0.92535
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.05204,
"percentile": 0.92523
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.05204,
"percentile": 0.92515
}05 Nov 2026, 12:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
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}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.05204,
"percentile": 0.92509
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.05204,
"percentile": 0.92496
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.05204,
"percentile": 0.92486
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2021-30900",
"cwes": [
"CWE-20",
"CWE-787"
],
"dateAdded": "2023-03-30",
"dueDate": "2023-04-20",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://support.apple.com/en-us/HT21286, https://support.apple.com/en-us/HT212868, https://support.apple.com/kb/HT212872; https://nvd.nist.gov/vuln/detail/CVE-2021-30900",
"product": "iOS, iPadOS, and macOS",
"requiredAction": "Apply updates per vendor instructions.",
"shortDescription": "Apple GPU drivers, included in iOS, iPadOS, and macOS, contain an out-of-bounds write vulnerability that may allow a malicious application to execute code with kernel privileges.",
"vendorProject": "Apple",
"vulnerabilityName": "Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability"
}