Page generated: 07 Nov 2026, 04:24 UTC
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CVE-2023-1671

A pre-auth command injection vulnerability in the warn-proceed handler of Sophos Web Appliance older than version 4.3.10.4 allows execution of arbitrary code.

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: 100.00%: +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: 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

Help Net Security
Press · 20 Nov 2023, 08:00 · Sophos Web Appliance vulnerability exploited in the wild (CVE-2023-1671) - Help Net Security
SecurityWeek
Press · 17 Nov 2023, 08:00 · CISA Warns of Attacks Exploiting Sophos Web Appliance Vulnerability - SecurityWeek
BleepingComputer
Press · 17 Nov 2023, 08:00 · CISA warns of actively exploited Windows, Sophos, and Oracle bugs - BleepingComputer

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 15:13). The curve appears once the score changes.

Public exploit evidence

2

Public exploit entries / repo candidates

See 2 repos with metrics
RepositoryStarsForksLanguageUpdated
getdrive/PoC7315Ruby12 Aug 2024, 07:34
W01fh4cker/CVE-2023-1671-POC153Python26 Apr 2023, 02:40
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 100.0%
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 13:58:48.602448+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
04 Apr 2023, 00:00
Added to the CISA KEV catalog
16 Nov 2023, 00:00
First press mention
17 Nov 2023, 08:00
Latest press mention
20 Nov 2023, 08:00
Score calculated
05 Nov 2026, 13:58
PoCs on GitHub
2 repositories