CVE-2018-20371: PhotoRange Photo Vault 1.2 appends the password to the URI for authorization, which makes it easier for remote

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2018-20371 is a critical-severity flaw (CVSS 9.8) affecting photorange photo vault. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PhotoRange Photo Vault 1.2 appends the password to the URI for authorization, which makes it easier for remote attackers to bypass intended GET restrictions via a brute-force approach, as demonstrated by "GET /login.html__passwd1" and "GET /login.html__passwd2" and so on.

Why this priority

Critical severity
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	1.6% (top 25%)
CISA exploited list	No
Weakness	CWE-200
Published	2018-12-23
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: photorange photo vault project

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

Am I affected?

Timeline

2018-12-23 02:29 UTCPublished CVE record published
2026-06-17 01:52 UTCUpdated Record last modified

photorange photo vault project photorange photo vault DOWNGRADE

Affected: 1.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2

1. Check installed version

apt-cache policy photorange-photo-vault || rpm -q photorange-photo-vault || photorange-photo-vault --version

2. No fixed release: DOWNGRADE to a release before 1.2 (Debian / Ubuntu)

apt-cache madison photorange-photo-vault sudo apt install photorange-photo-vault=<VERSION_BEFORE_1.2> sudo apt-mark hold photorange-photo-vault

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

dnf --showduplicates list photorange-photo-vault sudo dnf downgrade photorange-photo-vault-<VERSION_BEFORE_1.2> sudo dnf versionlock add photorange-photo-vault

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.

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-2018-20371?

photorange photo vault: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-20371 being exploited?

CVE-2018-20371 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-2018-20371 affect?

CVE-2018-20371 affects photorange photo vault. Severity is critical (CVSS 9.8). PhotoRange Photo Vault 1.2 appends the password to the URI for authorization, which makes it easier for remote attackers to bypass intended GET restrictions via a brute-force approach, as demonstrated by "GET /login.html__passwd1" and "GET

How urgent is CVE-2018-20371?

Priority 63/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

HashiCorp Vault vulnerabilities

References

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