Altair PBS Professional through 19.1.2 allows Privilege Escalation because an attacker can send a message directly to pbs_mom, which fails…

published 2019-10-09 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-6655

cvss: 8.0; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.0%; EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits: 0; none known

Altair PBS Professional through 19.1.2 allows Privilege Escalation because an attacker can send a message directly to pbs_mom, which fails to properly authenticate the message. This results in code execution as an arbitrary user.

Patch / fix

fixed in 1

altair pbs_professional 13.0.412, 14.2.7, 18.2.5, 19.1.3, 19.2.4

Exploit prediction

1.97% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

hpcsec.com https://www.hpcsec.com/2019/10/08/cve-2019-15719/ referenced PoC, tagged "exploit" by a source, unverified
packetstormsecurity.com http://packetstormsecurity.com/files/154782/PBS-Professional-19.2.3-Authentication-Bypass.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	8.0	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	5.2	AV:A/AC:L/Au:S/C:P/I:P/A:P

References

hpcsec.com /2019/10/08/cve-2019-15719/
exploit, third-party-advisory
packetstormsecurity.com /files/154782/PBS-Professional-19.2.3-Authentication-Bypass.html
exploit, third-party-advisory, vdb-entry
pbspro.org /
product
hpcsec.com
third-party-advisory

Sources

CVE List CVE-2019-15719
NVD CVE-2019-15719

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