Page generated: 08 Nov 2026, 12:20 UTC
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CVE-2020-12641

rcube_image.php in Roundcube Webmail before 1.4.4 allows attackers to execute arbitrary code via shell metacharacters in a configuration setting for im_convert_path or im_identify_path.

CVSS 9.8 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.9/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 9.8: +1.47
  • Fresh EPSS: 84.39%: +0.42

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

Sources: 10 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

The Hacker News
Press · 24 Jun 2025, 07:00 · APT28 Uses Signal Chat to Deploy BEARDSHELL Malware and COVENANT in Ukraine - The Hacker News
The Register
Press · 21 May 2025, 07:00 · Russia's Fancy Bear sticks its paws in transportation emails - The Register
The Hacker News
Press · 15 May 2025, 07:00 · Russia-Linked APT28 Exploited MDaemon Zero-Day to Hack Government Webmail Servers - The Hacker News
Recorded Future
Press · 22 Aug 2024, 23:45 · BlueDelta Outlook and Roundcube spearphishing infection chain overlap​​ - Recorded Future
CyberSecurityNews
Press · 19 Jul 2023, 07:00 · Hackers Exploit Zimbra and Roundcube Email Servers to Attack Government Organizations - CyberSecurityNews
See all 10 source documents
EclecticIQ Blog
Press · 17 Jul 2023, 07:00 · Spearphishing Campaign Targets Zimbra Webmail Portals of Government Organizations - EclecticIQ Blog
Check Point Research
Press · 03 Jul 2023, 07:00 · 3rd July – Threat Intelligence Report - Check Point Research
SOC Prime
Press · 21 Jun 2023, 07:00 · CVE-2020-35730, CVE-2021-44026, CVE-2020-12641 Exploit Detection: APT28 Group Abuses Roundcube Flaws In Spearphishing Espionage Attacks - SOC Prime
Bitdefender
Press · 21 Jun 2023, 07:00 · Russian APT Group Exposes Vulnerabilities in Open-Source Roundcube Webmail Software - Bitdefender
Recorded Future
Press · 20 Jun 2023, 07:00 · BlueDelta Exploits Ukrainian Government Roundcube Mail Servers to Support Espionage Activities - Recorded Future

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 8.9 (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 9.8; EPSS 84.4%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, no prior 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 13:58:13.266659+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
04 May 2020, 14:58
First press mention
20 Jun 2023, 07:00
Added to the CISA KEV catalog
22 Jun 2023, 00:00
Latest press mention
24 Jun 2025, 07:00
Score calculated
05 Nov 2026, 13:58