01 Record
CVE-2021-20802
HTTP header injection vulnerability in Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote attacker to alter the information stored in the product.
UnratedPUBLISHEDCNA: jpcert
CNA base scoreUnratedNo CNA CVSS vector
02 Description
HTTP header injection vulnerability in Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote attacker to alter the information stored in the product.
03 Exploitation and scoring
- 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
- 0.99% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 62.2% of scored records. A rank, not a probability.
- NVD base score
- 5.3 (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:L/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- 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
- 2021-10-13 08:30Z5 YR AGO
- Last updated
- 2024-08-03 17:53Z2 YR AGO
- Reserved
- 2020-12-17
- Assigning CNA
- jpcert
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')Class
- Data version
- 5.1
- Document digest
- 0e5542f4260d7b1ed5afe1fdbce148815db63872f55814964508f5090c42448f
05 Affected products
VendorProductVersionsPlatforms
06 References
- jvn.jphttps://jvn.jp/en/jp/JVN52694228/index.html
- kb.cybozu.supporthttps://kb.cybozu.support/article/37428