01 Record
CVE-2021-41277
GeoJSON URL validation can expose server files and environment variables to unauthorized users
CriticalKEVPUBLISHEDCNA: GitHub_M
CNA base score10.0 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L
02 Description
GeoJSON URL validation can expose server files and environment variables to unauthorized users
03 Exploitation and scoring
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2024-11-12. Federal remediation due 2024-12-03.
- SSVC decision
- ExploitationactiveCISA reports credible evidence of active exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 97.17% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 99.8% 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:H/I:N/A:N
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-10-08.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
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.
04 Metadata
- Published
- 2021-11-17 20:05Z4 YR AGO
- Last updated
- 2026-10-07 17:37Z21 DAYS AGO
- Reserved
- 2021-09-15
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 10.0)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L
- Weaknesses
- Data version
- 5.2
- Document digest
- 849b5f91c16ddb637fd651145c5e76e9aea385af6093ded64b721e6b0064e9b3
05 Affected products
VendorProductVersionsPlatforms