CVE-2024-23049
CVE-2024-23049 is a critical-severity vulnerability in B3log Symphony with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (64th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-20574
- Weakness: CWE-77
- Affected product: B3log Symphony
- Published:
- Last modified:
Description
An issue in symphony v.3.6.3 and before allows a remote attacker to execute arbitrary code via the log4j component.
Frequently asked questions
- What is CVE-2024-23049?
- An issue in symphony v.3.6.3 and before allows a remote attacker to execute arbitrary code via the log4j component.
- How severe is CVE-2024-23049?
- CVE-2024-23049 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2024-23049 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-23049?
- CVE-2024-23049 affects B3log Symphony. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-23049?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2024-23049 have an EU (EUVD) identifier?
- Yes. CVE-2024-23049 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-20574.
- When was CVE-2024-23049 published?
- CVE-2024-23049 was published on 2024-02-05 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:b3log:symphony:*:*:*:*:*:*:*:*
More vulnerabilities in B3log Symphony
- CVE-2018-10469 — Critical (CVSS 9.8): b3log Symphony (aka Sym) 2.6.0 allows remote attackers to upload and execute arbitrary JSP files via the name[]…
- CVE-2019-17488 — Medium (CVSS 6.1): b3log Symphony (aka Sym) before 3.6.0 has XSS via the HTTP User-Agent header.
- CVE-2019-9142 — Medium (CVSS 6.1): An issue was discovered in b3log Symphony (aka Sym) before v3.4.7. XSS exists via the userIntro and userNickname fields…
- CVE-2017-16821 — Medium (CVSS 5.4): b3log Symphony (aka Sym) 2.2.0 has XSS in processor/AdminProcessor.java in the admin console, as demonstrated by a…
- CVE-2018-16249 — Medium (CVSS 4.8): In Symphony before 3.3.0, there is XSS in the Title under Post. The ID "articleTitle" of this is stored in the…
All CVEs affecting B3log Symphony →
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