CVE-2025-71275
Zimbra Collaboration Suite PostJournal 8.8.15 Unauthenticated Remote Code Execution via SMTP Injection
Description
Rejected reason: This CVE was rejected due to being a duplicate of CVE-2024-45519.
INFO
Published Date :
March 24, 2026, 4:16 p.m.
Last Modified :
March 25, 2026, 4:16 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-71275
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 4.0 | CRITICAL | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | CRITICAL | [email protected] |
Solution
- Update Zimbra Collaboration Suite to a patched version.
- Restrict or validate RCPT TO parameter input.
- Monitor SMTP traffic for suspicious commands.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-71275 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-71275 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Rejected by [email protected]
Mar. 25, 2026
Action Type Old Value New Value -
CVE Modified by [email protected]
Mar. 25, 2026
Action Type Old Value New Value Changed Description Zimbra Collaboration Suite (ZCS) PostJournal service version 8.8.15 contains a command injection vulnerability that allows unauthenticated attackers to execute arbitrary system commands by exploiting improper sanitization of the RCPT TO parameter via SMTP injection. Attackers can inject shell expansion syntax through the RCPT TO parameter to achieve remote code execution under the Zimbra service context. Rejected reason: This CVE was rejected due to being a duplicate of CVE-2024-45519. Removed CVSS V4.0 VulnCheck: AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Removed CVSS V3.1 VulnCheck: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Removed CWE VulnCheck: CWE-78 Removed Reference VulnCheck: https://packetstorm.news/files/id/212108/ Removed Reference VulnCheck: https://www.vulncheck.com/advisories/zimbra-collaboration-suite-postjournal-unauthenticated-remote-code-execution-via-smtp-injection Removed Reference VulnCheck: https://www.zimbra.com/ -
New CVE Received by [email protected]
Mar. 24, 2026
Action Type Old Value New Value Added Description Zimbra Collaboration Suite (ZCS) PostJournal service version 8.8.15 contains a command injection vulnerability that allows unauthenticated attackers to execute arbitrary system commands by exploiting improper sanitization of the RCPT TO parameter via SMTP injection. Attackers can inject shell expansion syntax through the RCPT TO parameter to achieve remote code execution under the Zimbra service context. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-78 Added Reference https://packetstorm.news/files/id/212108/ Added Reference https://www.vulncheck.com/advisories/zimbra-collaboration-suite-postjournal-unauthenticated-remote-code-execution-via-smtp-injection Added Reference https://www.zimbra.com/