CVE-2024-12355: A vulnerability has been found in SourceCodester Phone Contact Manager System 1.0 and classified as problemati

Routine

LOW 3.3DOWNGRADE

CVE-2024-12355 is a low-severity flaw (CVSS 3.3) affecting phone contact manager system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability has been found in SourceCodester Phone Contact Manager System 1.0 and classified as problematic. Affected by this vulnerability is the function ContactBook::adding of the file ContactBook.cpp. The manipulation leads to improper input validation. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	3.3 (Low)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-20
Published	2024-12-09
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: razormist

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

Am I affected?

Timeline

2024-12-09 02:15 UTCPublished CVE record published
2026-06-17 06:59 UTCUpdated Record last modified

razormist phone contact manager system 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 phone-contact-manager-system || rpm -q phone-contact-manager-system || phone-contact-manager-system --version

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

apt-cache madison phone-contact-manager-system sudo apt install phone-contact-manager-system=<VERSION_BEFORE_1.0> sudo apt-mark hold phone-contact-manager-system

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

dnf --showduplicates list phone-contact-manager-system sudo dnf downgrade phone-contact-manager-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add phone-contact-manager-system

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-2024-12355?

phone contact manager system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-12355 being exploited?

CVE-2024-12355 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-2024-12355 affect?

CVE-2024-12355 affects phone contact manager system. Severity is low (CVSS 3.3). A vulnerability has been found in SourceCodester Phone Contact Manager System 1.0 and classified as problematic. Affected by this vulnerability is the function ContactBook::adding of the file ContactBook.cpp. The manipulation leads to impro

How urgent is CVE-2024-12355?

Priority 23/100. Public exploit reference

Related CVEs

CVE-2024-12354 MEDIUM 5.3 DOWNGRADE A vulnerability, which was classified as critical, was found in SourceCodester Phone Contact Manager System 1.
CVE-2024-12353 LOW 3.3 DOWNGRADE A vulnerability, which was classified as problematic, has been found in SourceCodester Phone Contact Manager S

References

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