What is CVE-2023-3553?

CVE-2023-3553 is a high-severity vulnerability in Nilsteampassnet Nilsteampassnet/teampass, classified under Information Disclosure. CVSS score: 7.5/10. Published 2023-07-08.

How severe is CVE-2023-3553?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2023-3553 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Information disclosure in Nilsteampassnet Nilsteampassnet/teampass

CVE-2023-3553

Exposure of Sensitive Information to an Unauthorized Actor in GitHub repository nilsteampassnet/teampass prior to 3.0.10.

Vulnerability class: Information Disclosure

Published 2023-07-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (55.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Nilsteampassnet Nilsteampassnet/teampass — versions unspecified
Teampass

Weakness classification (CWE)

CWE-200 — Information Disclosure

Public proof-of-concept exploits

References

huntr.dev/bounties/857f002a-2794-4807-aa5d-2f340de01870 (Exploit, Patch, Third Party Advisory)
github.com/nilsteampassnet/teampass/commit/e9f90b746fdde135da3c7fbe4fa22fe2bd32… (Patch)

Frequently asked questions

What is CVE-2023-3553?: CVE-2023-3553 is a high-severity vulnerability in Nilsteampassnet Nilsteampassnet/teampass, classified under Information Disclosure. CVSS score: 7.5/10. Published 2023-07-08.
How severe is CVE-2023-3553?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-3553 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.