SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-34427

In Eclipse BIRT versions 4.8.0 and earlier, an attacker can use query parameters to create a JSP file which is accessible from remote (current BIRT viewer dir) to inject JSP code into the running instance.

CRITICAL 9.8EPSS 58.0%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 58.0%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

In Eclipse BIRT versions 4.8.0 and earlier, an attacker can use query parameters to create a JSP file which is accessible from remote (current BIRT viewer dir) to inject JSP code into the running instance.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
57.98% probability · 99th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-20, CWE-434
Affected
eclipse/business intelligence and reporting tools
Source
emo@eclipse.org
EPSS trend
0%30%60%3 November 2026: 57.98%3 November 20263 November 2026

EPSS 58.0% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.