CVE-2021-33256
A CSV injection vulnerability on the login panel of ManageEngine ADSelfService Plus Version: 6.1 Build No: 6101 can be exploited by an unauthenticated user.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 79.0%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
Description
A CSV injection vulnerability on the login panel of ManageEngine ADSelfService Plus Version: 6.1 Build No: 6101 can be exploited by an unauthenticated user. The j_username parameter seems to be vulnerable and a reverse shell could be obtained if a privileged user exports "User Attempts Audit Report" as CSV file. Note: The vendor disputes this vulnerability, claiming "This is not a valid vulnerability in our ADSSP product. We don't see this as a security issue at our side.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 79.00% probability · 100th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-1236
- Affected
- zohocorp/manageengine adselfservice plus
- Source
- cve@mitre.org
EPSS 79.0% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://docs.unsafe-inline.com/0day/manageengine-adselfservice-plus-6.1-csv-injectionExploit, Third Party Advisory
- https://docs.unsafe-inline.com/0day/manageengine-adselfservice-plus-6.1-csv-injectionExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.