CVE-2023-43291
CWE-502Published: September 27, 2023· Updated: Jun 17, 2026
Official Description
Deserialization of Untrusted Data in emlog pro v.2.1.15 and earlier allows a remote attacker to execute arbitrary code via the cache.php component.
Risk Analysis
This vulnerability involves insecure deserialization of untrusted data in emlog pro, allowing remote attackers to execute arbitrary code via the cache.php component. It is rated as critical with a 9.8 CVSS score due to the ease of remote exploitation.
No public exploit is known, and the vulnerability is not in the KEV database. It is remotely exploitable with low attack complexity.
Upgrade to a version of emlog pro that is not affected by this deserialization flaw.
Technical Analysis
CVE-2023-43291 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
From a weakness classification perspective (CWE-502): Insecure deserialization vulnerabilities allow attackers to inject malicious objects during deserialization, potentially enabling remote code execution.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
All References (2)
Quick Facts
Related CVEs (CWE-502)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-43291 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts