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CVE detail

CVE-2021-30952

An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS 7.8 · HighBuzz score 53.8KEV listed

Buzz score

Why this CVE is surfacing

Buzz score total 53.8

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 20.8 · diversity 8.0 · KEV 25.0 · OTX 0.0 · PoC 0.0
Mention score
20.8
7 evidence mentions in the snapshot
Diversity score
8.0
3 sources across 1 categories
KEV score
25.0
Known exploited vulnerability present
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
7 source links · newest first
  • Apple urges iPhone users to update as Coruna and DarkSword exploit kits emergeSecurity Affairs

    Apple warns that outdated iPhones are vulnerable to Coruna and DarkSword exploit kits and urges users to update iOS. Apple has warned that iPhones running outdated iOS versions are at risk from exploit kits like Coruna and DarkSword. These attacks use malicious web content to trigger infection chains that can steal sensitive data. Users are […]

    newssecurityaffairs.comMar 20, 2026, 11:22 AM
  • Apple issues emergency fixes for Coruna flaws in older iOS versionsSecurity Affairs

    Apple released iOS 16.7.15 and 15.8.7 updates for older iPhones and iPads to patch vulnerabilities linked to the Coruna exploits. Apple has released security updates for legacy devices, rolling out iOS and iPadOS 16.7.15 and 15.8.7 to address vulnerabilities tied to the recently disclosed Coruna exploits. The patches aim to protect older iPhone and iPad […]

    newssecurityaffairs.comMar 12, 2026, 3:28 PM
  • CISA Adds iOS Flaws From Coruna Exploit Kit to KEV ListSecurityWeek

    The nation-state-grade iOS exploit kit targets 23 vulnerabilities affecting iOS 13 to 17.2.1.

    newswww.securityweek.comMar 6, 2026, 1:18 PM
  • U.S. CISA adds Apple, Rockwell, and Hikvision flaws to its Known Exploited Vulnerabilities catalogSecurity Affairs

    U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Apple, Rockwell, and Hikvision flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Apple, Rockwell, and Hikvision flaws to its Known Exploited Vulnerabilities (KEV) catalog. Below are the flaws added to the catalog: CVE-2023-43000 is a use-after-free issue in the WebKit component. Apple […]

    newssecurityaffairs.comMar 6, 2026, 8:42 AM
  • Google uncovers Coruna iOS Exploit Kit targeting iOS 13–17.2.1Security Affairs

    Google warns of the Coruna iOS exploit kit, using 23 exploits across five chains to target iPhones running iOS 13–17.2.1, but not the latest iOS. Google’s Threat Intelligence Group has identified a powerful new iOS exploit kit called Coruna (also known as CryptoWaters) that targets Apple iPhones running iOS versions 13.0 through 17.2.1. The kit […]

    newssecurityaffairs.comMar 5, 2026, 6:10 AM
  • Coruna: Spy-grade iOS exploit kit powering financial crimeHelp Net Security

    A powerful iOS exploit kit has circulated among multiple threat actors over the past year, moving from a commercial surveillance operation to state-linked espionage campaigns and, ultimately, ended into the hands of financially motivated hackers, according to new research from Google’s Threat Intelligence Group (GTIG). “The exploit kit, named ‘Coruna’ by its developers, contained five full iOS exploit chains and a total of 23 exploits,” the analysts noted. The exploit list includes both CVE-tracked vulnerabilities … More →

    newswww.helpnetsecurity.comMar 3, 2026, 6:59 PM
  • Apple Patches Vulnerabilities That Earned Hackers $600,000 at Chinese ContestSecurityWeek

    The iOS and macOS security updates released on Monday by Apple patch vulnerabilities that earned researchers more than $600,000 at a Chinese hacking contest earlier this year.

    newswww.securityweek.comDec 14, 2021, 4:00 PM

Exploit code

Public exploit repository references

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0 repository references · best confidence N/A · max 0 stars
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Related records

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