01 Record
CVE-2023-5770
HTML injection in email body through email subject
MediumPUBLISHEDCNA: Proofpoint
CNA base score5.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
02 Description
HTML injection in email body through email subject
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.34% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 27.2% of scored records. A rank, not a probability.
- NVD base score
- 5.4 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/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
- 2024-01-09 22:02Z2 YR AGO
- Last updated
- 2025-06-03 14:29Z1 YR AGO
- Reserved
- 2023-10-25
- Assigning CNA
- Proofpoint
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.3)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- Weaknesses
- CWE-838Inappropriate Encoding for Output ContextBase
- Data version
- 5.1
- Document digest
- 0a6649e73caad3b2eb8e3b52431cbfc0744cf5a1e9b7117df7bbf3b2f24dba9a
05 Affected products
VendorProductVersionsPlatforms
ProofpointProofpoint Enterprise Protection8.20.2 to < patch 4809, 8.20.0 to < patch 4805, 8.18.6 to < patch 4804, 8.0 to < 8.18.6—