CVE-2021-3749

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

8.52% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 94.6% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-08-31 10:36Z5 YR AGO

Last updated

2024-08-03 17:09Z2 YR AGO

Reserved

2021-08-30

Assigning CNA

@huntrdev

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

• CWE-1333Inefficient Regular Expression ComplexityBase
• CWE-400Uncontrolled Resource ConsumptionClass

Data version

5.1

Document digest

323f62915214aa893779b7e796c826548d3d0186e0c27bf42e31eb5cec301dc2

• huntr.devhttps://huntr.dev/bounties/1e8f07fc-c384-4ff9-8498-0690de2e8c31x_refsource_CONFIRM
• github.comhttps://github.com/axios/axios/commit/5b457116e31db0e88fede6c428e969e87f290929x_refsource_MISC
• lists.apache.org[druid-commits] 20211008 [GitHub] [druid] andreacyc closed pull request #11786: Fix CVE-2021-3749 reported in security vulnerabilities jobhttps://lists.apache.org/thread.html/r7324ecc35b8027a51cb6ed629490fcd3b2d7cf01c424746ed5744bf1%40%3Ccommits.druid.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[druid-commits] 20211008 [GitHub] [druid] andreacyc opened a new pull request #11786: Fix CVE-2021-3749 reported in security vulnerabilities jobhttps://lists.apache.org/thread.html/rfc5c478053ff808671aef170f3d9fc9d05cc1fab8fb64431edc66103%40%3Ccommits.druid.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[druid-commits] 20211008 [GitHub] [druid] jihoonson commented on pull request #11786: Fix CVE-2021-3749 reported in security vulnerabilities jobhttps://lists.apache.org/thread.html/r216f0fd0a3833856d6a6a1fada488cadba45f447d87010024328ccf2%40%3Ccommits.druid.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[druid-commits] 20211009 [GitHub] [druid] jihoonson closed pull request #11786: Fix CVE-2021-3749 reported in security vulnerabilities jobhttps://lists.apache.org/thread.html/r3ae6d2654f92c5851bdb73b35e96b0e4e3da39f28ac7a1b15ae3aab8%40%3Ccommits.druid.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[druid-commits] 20211009 [GitHub] [druid] andreacyc opened a new pull request #11786: Fix CVE-2021-3749 reported in security vulnerabilities jobhttps://lists.apache.org/thread.html/ra15d63c54dc6474b29f72ae4324bcb03038758545b3ab800845de7a1%40%3Ccommits.druid.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[druid-commits] 20211009 [druid] branch master updated: Fix CVE-2021-3749 reported in security vulnerabilities job (#11786)https://lists.apache.org/thread.html/r74d0b359408fff31f87445261f0ee13bdfcac7d66f6b8e846face321%40%3Ccommits.druid.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[druid-commits] 20211009 [GitHub] [druid] jihoonson commented on pull request #11786: Fix CVE-2021-3749 reported in security vulnerabilities jobhttps://lists.apache.org/thread.html/rc263bfc5b53afcb7e849605478d73f5556eb0c00d1f912084e407289%40%3Ccommits.druid.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[druid-commits] 20211009 [GitHub] [druid] jihoonson merged pull request #11786: Fix CVE-2021-3749 reported in security vulnerabilities jobhttps://lists.apache.org/thread.html/r4bf1b32983f50be00f9752214c1b53738b621be1c2b0dbd68c7f2391%40%3Ccommits.druid.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[druid-commits] 20211009 [GitHub] [druid] andreacyc commented on pull request #11786: Fix CVE-2021-3749 reported in security vulnerabilities jobhttps://lists.apache.org/thread.html/r075d464dce95cd13c03ff9384658edcccd5ab2983b82bfc72b62bb10%40%3Ccommits.druid.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[druid-dev] 20211009 [CRON] Passed: apache/druid#33528 (master - adb2237)https://lists.apache.org/thread.html/rfa094029c959da0f7c8cd7dc9c4e59d21b03457bf0cedf6c93e1bb0a%40%3Cdev.druid.apache.org%3Emailing-listx_refsource_MLIST
• www.oracle.comhttps://www.oracle.com/security-alerts/cpujul2022.htmlx_refsource_MISC
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdfx_refsource_CONFIRM