Sera 1.2 stores the user's login password in plain text in their home directory.

published 2017-11-01 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-7335

cvss: 7.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits: 1; Exploit-DB

Sera 1.2 stores the user's login password in plain text in their home directory. This makes privilege escalation trivial and also exposes the user and system keychains to local attacks.

Timeline

2017-11-01 Published
2017-12-06 First public exploit (EDB-43221)

Exploit prediction

1.15% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

EDB-43221 Sera 1.2 - Local Privilege Escalation / Password Disclosure local, 2017-12-06
m4.rkw.io https://m4.rkw.io/blog/cve201715918-sera-12-local-root-privesc-and-password-disclosure.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.8	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	2.1	AV:L/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness

CWE-522 Insufficiently Protected Credentials

References

exploit-db.com /exploits/43221/
exploit, third-party-advisory, vdb-entry
m4.rkw.io /blog/cve201715918-sera-12-local-root-privesc-and-password-disclosure.html
exploit, third-party-advisory

Sources

CVE List CVE-2017-15918
NVD CVE-2017-15918

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