How severe is CVE-2015-4553?

CVE-2015-4553 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2015-4553 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 57% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-4553?

CVE-2015-4553 primarily affects Dedecms. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-4553?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-4553 published?

CVE-2015-4553 was published on 2020-01-06 and last updated on 2026-06-17.

CVE-2015-4553

CVE-2015-4553 is a high-severity vulnerability in Dedecms with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 57% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 57% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Dedecms
Published: 2020-01-06
Last modified: 2026-06-17

Description

A file upload issue exists in DeDeCMS before 5.7-sp1, which allows malicious users getshell.

Frequently asked questions

What is CVE-2015-4553?: A file upload issue exists in DeDeCMS before 5.7-sp1, which allows malicious users getshell.
How severe is CVE-2015-4553?: CVE-2015-4553 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2015-4553 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 57% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-4553?: CVE-2015-4553 primarily affects Dedecms. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-4553?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-4553 published?: CVE-2015-4553 was published on 2020-01-06 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:dedecms:dedecms:*:*:*:*:*:*:*:*
cpe:2.3:a:dedecms:dedecms:5.7:-:*:*:*:*:*:*
cpe:2.3:a:dedecms:dedecms:5.7:sp1:*:*:*:*:*:*

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