CVE-2014-0780: InduSoft Web Studio NTWebServer Directory Traversal Vulnerability

Patch now

CRITICAL 9.8EXPLOITEDREMOTEDOWNGRADE

CVE-2014-0780 is a critical-severity flaw (CVSS 9.8) affecting web studio, reported as exploited in the wild. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in NTWebServer in InduSoft Web Studio 7.1 before SP2 Patch 4 allows remote attackers to read administrative passwords in APP files, and consequently execute arbitrary code, via unspecified web requests.

Why this priority

Critical severity
EPSS top 1%: very likely to be exploited
Exploited in the wild (CISA KEV)
Public exploit reference
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	74.7% (top 1%)
CISA exploited list	Yes, fix due 2022-05-06
Weakness	CWE-22
Published	2014-04-25
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: indusoft

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2014-04-25 05:12 UTCPublished CVE record published
2022-04-15Exploited Added to the CISA Known Exploited Vulnerabilities list
2022-05-06Deadline CISA due date for US federal agencies to patch
2026-06-17 00:03 UTCUpdated Record last modified

indusoft web studio DOWNGRADE

Affected: 7.1 · 7.1 sp1 · 7.1 sp2

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.1

1. Check installed version

apt-cache policy web-studio || rpm -q web-studio || web-studio --version

2. No fixed release: DOWNGRADE to a release before 7.1 (Debian / Ubuntu)

apt-cache madison web-studio sudo apt install web-studio=<VERSION_BEFORE_7.1> sudo apt-mark hold web-studio

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list web-studio sudo dnf downgrade web-studio-<VERSION_BEFORE_7.1> sudo dnf versionlock add web-studio

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · perl-Net-IDN-Encode · FIXED · 2.600-1.fc46 · FEDORA-2026-84eff0ea64 · source

sudo dnf upgrade --advisory=FEDORA-2026-84eff0ea64

Fedora ELN · libXISF · FIXED · 0.2.15-2.eln159 · FEDORA-2026-b9e2d1bda0 · source

sudo dnf upgrade --advisory=FEDORA-2026-b9e2d1bda0

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: www.exploit-db.com/exploits/42699/
Exploit-DB: Indusoft Web Studio - Directory Traversal Information Disclosure (Metasploit)

Verify at the official source NVD · CVE Program · CISA KEV catalog · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2014-0780?

web studio: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2014-0780 being exploited?

Yes. CVE-2014-0780 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.

What does CVE-2014-0780 affect?

CVE-2014-0780 affects web studio. Severity is critical (CVSS 9.8). Directory traversal vulnerability in NTWebServer in InduSoft Web Studio 7.1 before SP2 Patch 4 allows remote attackers to read administrative passwords in APP files, and consequently execute arbitrary code, via unspecified web requests.

How urgent is CVE-2014-0780?

Priority 97/100. Critical severity; EPSS top 1%: very likely to be exploited; Exploited in the wild (CISA KEV); Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Related CVEs

CVE-2018-8840 CRITICAL 9.8 UPGRADE UPGRADE A remote attacker could send a carefully crafted packet in InduSoft Web Studio v8.1 and prior versions, and/or
CVE-2015-7375 HIGH 7.5 UPGRADE Schneider Electric InduSoft Web Studio before 8.0 allows remote attackers to execute arbitrary code or cause a
CVE-2015-7374 HIGH 7.5 UPGRADE The Remote Agent component in Schneider Electric InduSoft Web Studio before 8.0 allows remote attackers to exe
CVE-2015-1009 LOW 1.7 UPGRADE UPGRADE Schneider Electric InduSoft Web Studio before 7.1.3.5 Patch 5 and Wonderware InTouch Machine Edition through 7
CVE-2013-1627 HIGH 7.8 DOWNGRADE DOWNGRADE Absolute path traversal vulnerability in NTWebServer.exe in Indusoft Studio 7.0 and earlier and Advantech Stud

References

← Back to latest CVEs