CVE-2019-25023: An issue was discovered in Scytl sVote 2.1

This week

MEDIUM 6.5REMOTEDOWNGRADE

CVE-2019-25023 is a medium-severity flaw (CVSS 6.5) affecting secure vote. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in Scytl sVote 2.1. Because the IP address from an X-Forwarded-For header (which can be manipulated client-side) is used for the internal application logs, an attacker can inject wrong IP addresses into these logs.

Why this priority

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	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-290
Published	2021-02-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: scytl

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

Am I affected?

Timeline

2021-02-27 05:15 UTCPublished CVE record published
2026-06-17 02:31 UTCUpdated Record last modified

scytl secure vote DOWNGRADE

Affected: 2.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.1

1. Check installed version

apt-cache policy secure-vote || rpm -q secure-vote || secure-vote --version

2. No fixed release: DOWNGRADE to a release before 2.1 (Debian / Ubuntu)

apt-cache madison secure-vote sudo apt install secure-vote=<VERSION_BEFORE_2.1> sudo apt-mark hold secure-vote

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

dnf --showduplicates list secure-vote sudo dnf downgrade secure-vote-<VERSION_BEFORE_2.1> sudo dnf versionlock add secure-vote

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-2019-25023?

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

Is CVE-2019-25023 being exploited?

CVE-2019-25023 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-2019-25023 affect?

CVE-2019-25023 affects secure vote. Severity is medium (CVSS 6.5). An issue was discovered in Scytl sVote 2.1. Because the IP address from an X-Forwarded-For header (which can be manipulated client-side) is used for the internal application logs, an attacker can inject wrong IP addresses into these logs.

How urgent is CVE-2019-25023?

Priority 48/100. Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2019-25022 CRITICAL 9.8 DOWNGRADE An issue was discovered in Scytl sVote 2.1
CVE-2019-25021 HIGH 7.5 DOWNGRADE An issue was discovered in Scytl sVote 2.1
CVE-2019-25020 HIGH 7.5 DOWNGRADE An issue was discovered in Scytl sVote 2.1

References

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