Page generated: 11 Nov 2026, 11:19 UTC
← Dashboard

CVE-2021-25487

Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in arbitrary code execution by dereference of invalid function pointer.

CVSS 7.3 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.1/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 7.3: +1.09
  • Fresh EPSS: 0.64%: +0.00

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

Sources: 3 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

Lookout
Press · 17 Jul 2023, 07:00 · Samsung & Android Security Fixes - Lookout
TechRadar
Press · 03 Jul 2023, 07:00 · These Samsung phone flaws have been exploited by spyware - TechRadar
SecurityWeek
Press · 30 Jun 2023, 07:00 · Samsung Phone Flaws Added to CISA ‘Must Patch’ List Likely Exploited by Spyware Vendor - SecurityWeek

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 8.1 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

0

Public exploit entries / repo candidates

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 7.3; EPSS 0.6%
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 13:58:24.835925+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
06 Oct 2021, 17:10
Added to the CISA KEV catalog
29 Jun 2023, 00:00
First press mention
30 Jun 2023, 07:00
Latest press mention
17 Jul 2023, 07:00
Score calculated
05 Nov 2026, 13:58