CVE-2012-0959: Remote Login Service (RLS) 1.0.0 does not properly clear account information when switching users, which might

Routine

LOW 2.1DOWNGRADE

CVE-2012-0959 is a low-severity flaw (CVSS 2.1) affecting remote login service. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Remote Login Service (RLS) 1.0.0 does not properly clear account information when switching users, which might allow physically proximate users to obtain login credentials.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	2.1 (Low)
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-200
Published	2012-11-24
Last modified	2026-06-16

Publisher (CNA): Canonical Ltd. · Vendor: remote login service hackers

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2012-11-24 20:55 UTCPublished CVE record published
2026-06-16 23:38 UTCUpdated Record last modified

remote login service hackers remote login service DOWNGRADE

Affected: 1.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.0

1. Check installed version

apt-cache policy remote-login-service || rpm -q remote-login-service || remote-login-service --version

2. No fixed release: DOWNGRADE to a release before 1.0.0 (Debian / Ubuntu)

apt-cache madison remote-login-service sudo apt install remote-login-service=<VERSION_BEFORE_1.0.0> sudo apt-mark hold remote-login-service

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

dnf --showduplicates list remote-login-service sudo dnf downgrade remote-login-service-<VERSION_BEFORE_1.0.0> sudo dnf versionlock add remote-login-service

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-2012-0959?

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

Is CVE-2012-0959 being exploited?

CVE-2012-0959 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-2012-0959 affect?

CVE-2012-0959 affects remote login service. Severity is low (CVSS 2.1). Remote Login Service (RLS) 1.0.0 does not properly clear account information when switching users, which might allow physically proximate users to obtain login credentials.

How urgent is CVE-2012-0959?

Priority 16/100. No elevated risk signals yet.

References

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