Page generated: 08 Nov 2026, 06:46 UTC
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CVE-2022-1040

An authentication bypass vulnerability in the User Portal and Webadmin allows a remote attacker to execute code in Sophos Firewall version v18.5 MR3 and older.

CVSS 9.8 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
9.0/10
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: 99.80%: +0.50

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

Sources: 17 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 · 11 Dec 2024, 08:00 · U.S. Charges Chinese Hacker for Exploiting Zero-Day in 81,000 Sophos Firewalls - The Hacker News
The Hacker News
Press · 05 Nov 2024, 08:00 · FBI Seeks Public Help to Identify Chinese Hackers Behind Global Cyber Intrusions - The Hacker News
Sophos
Press · 31 Oct 2024, 07:00 · Pacific Rim timeline: Information for defenders from a braid of interlocking attack campaigns - Sophos
SecurityWeek
Press · 29 Mar 2023, 07:00 · Most Weaponized Vulnerabilities of 2022 and 5 Key Risks: Report - SecurityWeek
thezdi.com
Press · 19 Oct 2022, 07:00 · CVE-2022-3236: Sophos Firewall User Portal and Web Admin Code Injection - thezdi.com
See all 17 source documents
SecurityWeek
Press · 26 Sep 2022, 07:00 · Sophos Firewall Zero-Day Exploited in Attacks on South Asian Organizations - SecurityWeek
The Hacker News
Press · 24 Sep 2022, 07:00 · Hackers Exploited Zero-Day RCE Vulnerability in Sophos Firewall — Patch Released - The Hacker News
BleepingComputer
Press · 23 Sep 2022, 07:00 · Sophos warns of new firewall RCE bug exploited in attacks - BleepingComputer
Recorded Future
Press · 22 Sep 2022, 07:00 · Chinese State-Sponsored Group TA413 Adopts New Capabilities in Pursuit of Tibetan Targets - Recorded Future
The Record from Recorded Future News
Press · 16 Jun 2022, 07:00 · Chinese APT groups targeting India, Pakistan and more with Sophos firewall vulnerability - The Record from Recorded Future News
Sophos
Press · 15 Jun 2022, 07:00 · Sophos uncovers how APT groups carried out highly targeted attack - Sophos
The Record from Recorded Future News
Press · 01 Apr 2022, 07:00 · CISA adds seven bugs to Known Exploited Vulnerabilities Catalog - The Record from Recorded Future News
The Hacker News
Press · 30 Mar 2022, 07:00 · Critical SonicOS Vulnerability Affects SonicWall Firewall Appliances - The Hacker News
Help Net Security
Press · 29 Mar 2022, 07:00 · Attackers are exploiting recently patched RCE in Sophos Firewall (CVE-2022-1040) - Help Net Security
BleepingComputer
Press · 29 Mar 2022, 07:00 · Sophos warns critical firewall bug is being actively exploited - BleepingComputer
BleepingComputer
Press · 27 Mar 2022, 07:00 · Critical Sophos Firewall vulnerability allows remote code execution - BleepingComputer
Security Affairs
Press · 27 Mar 2022, 07:00 · Sophos Firewall affected by a critical authentication bypass flaw - Security Affairs

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 9.0 (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
killvxk/CVE-2022-1040162—06 May 2022, 08:57
Public exploit evidence
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 99.8%
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 13:58:34.147896+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
25 Mar 2022, 12:10
First press mention
27 Mar 2022, 07:00
Added to the CISA KEV catalog
31 Mar 2022, 00:00
Latest press mention
11 Dec 2024, 08:00
Score calculated
05 Nov 2026, 13:58
PoCs on GitHub
1 repositories