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CVE-2020-9934

An issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6. A local user may be able to view sensitive user information.

CVSS 5.5 (MEDIUM) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
7.8/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 5.5: +0.82
  • Fresh EPSS: 3.21%: +0.02

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 5 documents and public datasets.

Hype components

Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100

Sources and documents

Information Security Buzz
Press · 01 Aug 2025, 07:00 · Sploitlight: Spotlight Exploited To Bypass MacOS TCC And Steal Apple Intelligence Data - Information Security Buzz
BleepingComputer
Press · 28 Jul 2025, 07:00 · Microsoft: macOS Sploitlight flaw leaks Apple Intelligence data - BleepingComputer
Microsoft
Press · 14 Sep 2023, 07:00 · Uncursing the ncurses: Memory corruption vulnerabilities found in library - Microsoft
BleepingComputer
Press · 19 Jul 2022, 07:00 · New CloudMensis malware backdoors Macs to steal victims’ data - BleepingComputer
Microsoft
Press · 10 Jan 2022, 08:00 · New macOS vulnerability, “powerdir,” could lead to unauthorized user data access - Microsoft

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 7.8 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

1

Public exploit entries / repo candidates

See 1 repos with metrics
RepositoryStarsForksLanguageUpdated
mattshockl/CVE-2020-9934243Swift28 Jul 2020, 16:39
Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 5.5; EPSS 3.2%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
local access, low privileges, no user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:58:21.708024+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
16 Oct 2020, 16:51
First press mention
10 Jan 2022, 08:00
Added to the CISA KEV catalog
08 Sep 2022, 00:00
Latest press mention
01 Aug 2025, 07:00
Score calculated
05 Nov 2026, 13:58
PoCs on GitHub
1 repositories