CVE-2020-8988: The Voatz application 2020-01-01 for Android allows only 100 million different PINs, which makes it easier for

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MEDIUM 5.9REMOTEDOWNGRADE

CVE-2020-8988 is a medium-severity flaw (CVSS 5.9) affecting voatz. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Voatz application 2020-01-01 for Android allows only 100 million different PINs, which makes it easier for attackers (after using root access to make a copy of the local database) to discover login credentials and voting history via an offline brute-force approach.

Why this priority

Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	5.9 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 42%)
CISA exploited list	No
Weakness	CWE-330, CWE-521
Published	2020-02-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: voatz

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

Am I affected?

Timeline

2020-02-13 21:15 UTCPublished CVE record published
2026-06-17 03:27 UTCUpdated Record last modified

voatz voatz DOWNGRADE

Affected: 2020-01-01

Fixed in: no fixed release known

Safe to downgrade to: a release before 2020-01-01

1. Check installed version

apt-cache policy voatz || rpm -q voatz || voatz --version

2. No fixed release: DOWNGRADE to a release before 2020-01-01 (Debian / Ubuntu)

apt-cache madison voatz sudo apt install voatz=<VERSION_BEFORE_2020-01-01> sudo apt-mark hold voatz

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

dnf --showduplicates list voatz sudo dnf downgrade voatz-<VERSION_BEFORE_2020-01-01> sudo dnf versionlock add voatz

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-2020-8988?

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

Is CVE-2020-8988 being exploited?

CVE-2020-8988 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-2020-8988 affect?

CVE-2020-8988 affects voatz. Severity is medium (CVSS 5.9). The Voatz application 2020-01-01 for Android allows only 100 million different PINs, which makes it easier for attackers (after using root access to make a copy of the local database) to discover login credentials and voting history via an

How urgent is CVE-2020-8988?

Priority 40/100. Remotely exploitable, no login, no user action

Software pages

Android vulnerabilities

Related CVEs

CVE-2020-8989 MEDIUM 5.3 DOWNGRADE In the Voatz application 2020-01-01 for Android, the amount of data transmitted during a single voter's vote d

References

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