CVE-2017-15962: iStock Management System 1.0 allows Arbitrary File Upload via user/profile.

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2017-15962 is a critical-severity flaw (CVSS 9.8) affecting istock management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

iStock Management System 1.0 allows Arbitrary File Upload via user/profile.

Why this priority

Critical severity
EPSS top 8%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	4.9% (top 8%)
CISA exploited list	No
Weakness	CWE-434
Published	2017-10-29
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: istock management system project

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

Am I affected?

Timeline

2017-10-29 06:29 UTCPublished CVE record published
2026-06-17 01:08 UTCUpdated Record last modified

istock management system project istock management system DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy istock-management-system || rpm -q istock-management-system || istock-management-system --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison istock-management-system sudo apt install istock-management-system=<VERSION_BEFORE_1.0> sudo apt-mark hold istock-management-system

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

dnf --showduplicates list istock-management-system sudo dnf downgrade istock-management-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add istock-management-system

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.

Public exploits and detection

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

Exploit-DB: iStock Management System 1.0 - Arbitrary File Upload

Verify at the official source NVD · CVE Program · 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-2017-15962?

istock management system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2017-15962 being exploited?

CVE-2017-15962 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2017-15962 affect?

CVE-2017-15962 affects istock management system. Severity is critical (CVSS 9.8). iStock Management System 1.0 allows Arbitrary File Upload via user/profile.

How urgent is CVE-2017-15962?

Priority 67/100. Critical severity; EPSS top 8%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

References

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