01 Record
CVE-2022-33681
Improper Hostname Verification in Java Client and Proxy can expose authentication data via MITM
MediumPUBLISHEDCNA: apache
CNA base score5.9 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
02 Description
Improper Hostname Verification in Java Client and Proxy can expose authentication data via MITM
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.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.69% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 52.7% of scored records. A rank, not a probability.
- NVD base score
- 5.9 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- 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.
04 Metadata
- Published
- 2022-09-23 09:25Z4 YR AGO
- Last updated
- 2025-05-22 20:37Z1 YR AGO
- Reserved
- 2022-06-15
- Assigning CNA
- apache
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.9)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-295Improper Certificate ValidationBase
- Data version
- 5.1
- Document digest
- 0be40b85775b40b5da48d89a1dab0dd68ae476444e05c1e941c9d660f77b534e
05 Affected products
VendorProductVersionsPlatforms
Apache Software FoundationApache Pulsar2.10.0, 2.7 to 2.7.4, 2.8 to 2.8.3, 2.9 to 2.9.2, 2.6 and earlier to 2.6.4—
06 References
- lists.apache.orghttps://lists.apache.org/thread/fpo6x10trvn20hlk0dmnr5vlz5v4kl3d