CVE-2018-10813: In Dedos-web 1.0, the cookie and session secrets used in the Express.js application have hardcoded values that

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HIGH 7.3REMOTEDOWNGRADE

CVE-2018-10813 is a high-severity flaw (CVSS 7.3) affecting dedos-web. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In Dedos-web 1.0, the cookie and session secrets used in the Express.js application have hardcoded values that are visible in the source code published on GitHub. An attacker can edit the contents of the session cookie and re-sign it using the hardcoded secret. Due to the use of Passport.js, this could lead to privilege escalation.

Why this priority

High 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	7.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-798
Published	2018-06-05
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: aprendecondedos

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

Am I affected?

Timeline

2018-06-05 15:29 UTCPublished CVE record published
2026-06-17 01:34 UTCUpdated Record last modified

aprendecondedos dedos-web 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 dedos-web || rpm -q dedos-web || dedos-web --version

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

apt-cache madison dedos-web sudo apt install dedos-web=<VERSION_BEFORE_1.0> sudo apt-mark hold dedos-web

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

dnf --showduplicates list dedos-web sudo dnf downgrade dedos-web-<VERSION_BEFORE_1.0> sudo dnf versionlock add dedos-web

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-2018-10813?

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

Is CVE-2018-10813 being exploited?

CVE-2018-10813 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-2018-10813 affect?

CVE-2018-10813 affects dedos-web. Severity is high (CVSS 7.3). In Dedos-web 1.0, the cookie and session secrets used in the Express.js application have hardcoded values that are visible in the source code published on GitHub. An attacker can edit the contents of the session cookie and re-sign it using

How urgent is CVE-2018-10813?

Priority 52/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

GitHub vulnerabilities · Express.js vulnerabilities

References

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