CVE-2023-27191: An issue found in DUALSPACE Super Secuirty v.2.3.7 allows an attacker to cause a denial of service via the Sha

This week

HIGH 7.5REMOTEDOWNGRADE

CVE-2023-27191 is a high-severity flaw (CVSS 7.5) affecting super security. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue found in DUALSPACE Super Secuirty v.2.3.7 allows an attacker to cause a denial of service via the SharedPreference files.

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	7.5 (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-400, CWE-770
Published	2023-04-11
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: dualspace

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

Am I affected?

Timeline

2023-04-11 01:15 UTCPublished CVE record published
2026-06-17 05:44 UTCUpdated Record last modified

dualspace super security DOWNGRADE

Affected: 2.3.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.3.7

1. Check installed version

apt-cache policy super-security || rpm -q super-security || super-security --version

2. No fixed release: DOWNGRADE to a release before 2.3.7 (Debian / Ubuntu)

apt-cache madison super-security sudo apt install super-security=<VERSION_BEFORE_2.3.7> sudo apt-mark hold super-security

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

dnf --showduplicates list super-security sudo dnf downgrade super-security-<VERSION_BEFORE_2.3.7> sudo dnf versionlock add super-security

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-2023-27191?

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

Is CVE-2023-27191 being exploited?

CVE-2023-27191 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-2023-27191 affect?

CVE-2023-27191 affects super security. Severity is high (CVSS 7.5). An issue found in DUALSPACE Super Secuirty v.2.3.7 allows an attacker to cause a denial of service via the SharedPreference files.

How urgent is CVE-2023-27191?

Priority 53/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2023-27192 CRITICAL 9.8 DOWNGRADE An issue found in DUALSPACE Super Secuirty v.2.3.7 allows an attacker to cause a denial of service via the key

References

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