What is the CVSS score of CVE-2023-1277?

CVE-2023-1277 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.8%.

Is there a public PoC exploit available for CVE-2023-1277?

Yes, a public proof-of-concept exploit is available for CVE-2023-1277. Prioritise patching immediately. EPSS: 1.8%.

Ubuntu CVE-2023-1277

HIGH

Command Injection (CWE-77)

2023-03-08 cna@vuldb.com

Ubuntu Command Injection Kylin System Updater

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Mar 08, 2023 - 19:15 nvd

HIGH 7.8

DescriptionNVD

A vulnerability, which was classified as critical, was found in kylin-system-updater up to 1.4.20kord on Ubuntu Kylin. Affected is the function InstallSnap of the component Update Handler. The manipulation leads to command injection. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-222600.

AnalysisAI

A vulnerability, which was classified as critical, was found in kylin-system-updater up to 1.4.20kord on Ubuntu Kylin. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. A vulnerability, which was classified as critical, was found in kylin-system-updater up to 1.4.20kord on Ubuntu Kylin. Affected is the function InstallSnap of the component Update Handler. The manipulation leads to command injection. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-222600. Affected products include: Ubuntukylin Kylin-System-Updater. Version information: up to 1.4.20.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.