Unauthorized API Access Risk

published 2025-08-20 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-25258

cvss: 6.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 7.8%; EPSS 7.8% chance of exploitation in 30 days, percentile 94%
public exploits: 1; Metasploit, plus a Nuclei check

A vulnerability in a known login mechanism allows unauthenticated attackers to execute API calls without requiring user credentials. RBAC helps limit the exposure but does not eliminate risk.

Patch / fix

fixed in 1

commvault commvault 11.36.60

Timeline

2025-08-19 First public exploit (Metasploit exploit/windows/http/commvault_rce_cve_2025_57790_cve_2025_57791)
2025-08-20 Published

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 13 mo ago (2025-09-11)

Exploit prediction

7.76% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

Metasploit exploit/windows/http/commvault_rce_cve_2025_57790_cve_2025_57791 Commvault Command-Line Argument Injection to Traversal Remote Code Execution metasploit exploit, excellent rank, 2025-08-19
Nuclei template Commvault Unauthenticated Password Disclosure (WT-2025-0047) nuclei detection template
labs.watchtowr.com https://labs.watchtowr.com/guess-who-would-be-stupid-enough-to-rob-the-same-vault-twice-pre-auth-rce-chains-in-commvault/#wt-2025-0047hardcoded-credentials referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	6.9	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
CNA	4.0	6.9	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/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
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected products

Commvault CommCell

Classification

Weakness

CWE-259 Use of Hard-coded Password

References

labs.watchtowr.com /guess-who-would-be-stupid-enough-to-rob-the-same-vault-twice-pre-auth-rce-chains-in-commvault/#wt-2025-0047ha
exploit, third-party-advisory
documentation.commvault.com /securityadvisories/CV_2025_08_3.html
vendor-advisory

Sources

CVE List CVE-2025-57788
NVD CVE-2025-57788

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary