CVE-2021-27860

A vulnerability in the web management interface of FatPipe WARP, IPVPN, and MPVPN software prior to versions 10.1.2r60p92 and 10.2.2r44p1 allows a remote, unauthenticated attacker to upload a file to any location on the filesystem. The FatPipe advisory identifier for this vulnera…

Read full description

CVSS 9.8 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE

0.0/10

REALITY · THREAT PRIORITY

8.7/10

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: 39.68%: +0.20

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

Sources: 4 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

SOCRadar

Press · 23 Nov 2023, 08:00 · Dark Web Profile: Volt Typhoon - SOCRadar

CISA (.gov)

Press · 24 May 2023, 07:00 · People's Republic of China State-Sponsored Cyber Actor Living off the Land to Evade Detection - CISA (.gov)

National Security Agency (NSA) (.gov)

Press · 24 May 2023, 07:00 · NSA and Partners Identify China State-Sponsored Cyber Actor Using Built-in Network Tools W - National Security Agency (NSA) (.gov)

BleepingComputer

Press · 11 Jan 2022, 08:00 · CISA alerts federal agencies of ancient bugs still being exploited - 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 8.7 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

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 39.7%
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 13:58:25.853394+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline

Published

08 Dec 2021, 16:15

Added to the CISA KEV catalog

10 Jan 2022, 00:00

First press mention

11 Jan 2022, 08:00

Latest press mention

23 Nov 2023, 08:00

Score calculated

05 Nov 2026, 13:58