CVE-2020-27745 [Critical] | Memory Corruption in Slurm

CVE-2020-27745 is rated High Risk (67.7/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.38%). High exploitation likelihood—assess exposure and prioritize remediation.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-02-03	0.92%	1.38%	+0.46%
2	2026-02-02	0.79%	0.92%	+0.13%
3	2025-11-21	—	0.79%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-02-03

0.92%

1.38%

+0.46%

2026-02-02

0.79%

0.92%

+0.13%

2025-11-21

—

0.79%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
9.8	3.1	CRITICAL	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	3.9	5.9	[email protected]
6.8	2.0	MEDIUM	`AV:N/AC:M/Au:N/C:P/I:P/A:P` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:M) Exploitation needs some favorable conditions, but not exceptional ones. Authentication (AU:N) No authentication is required. Confidentiality impact (C:P) Partial confidentiality impact. Integrity impact (I:P) Partial integrity impact. Availability impact (A:P) Partial availability impact.	8.6	6.4	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

9.8

3.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

3.9

5.9

[email protected]

6.8

2.0

MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand

Access vector (AV:N): Can be exploited remotely over network reachability.
Access complexity (AC:M): Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:P): Partial confidentiality impact.
Integrity impact (I:P): Partial integrity impact.
Availability impact (A:P): Partial availability impact.

8.6

6.4

[email protected]

OS Trackers for CVE-2020-27745

vendor	priority	summary	link
`debian`	unimportant	CVE-2020-27745 unimportant priority: Debian including 1 source packages (slurm-wlm), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.	https://security-tracker.debian.org/tracker/CVE-2020-27745
`suse`	high	CVE-2020-27745 severity important: SUSE including 338 source package names (libnss_slurm2, libnss_slurm2-20.02.6-3.3.4, …), 679 product×package rows across 18 product lines (SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS, SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS, … (18 product lines)): Fixed 588, Known Not Affected 91.	https://www.suse.com/security/cve/CVE-2020-27745/
`ubuntu`	medium	CVE-2020-27745 medium priority: Ubuntu including 1 source packages (slurm-llnl), 15 status rows across 15 suites (bionic, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, trusty, upstream, xenial): DNE 9, not-affected 2, released 2, ignored 1, needs-triage 1.	https://ubuntu.com/security/CVE-2020-27745

Affected software / configurations for CVE-2020-27745

Vendor	Product	Version	Raw CPE
schedmd	slurm	< 19.05.8	cpe:2.3:a:schedmd:slurm::::::::
schedmd	slurm	>= 20.0.0, < 20.02.6	cpe:2.3:a:schedmd:slurm::::::::
debian	debian_linux	9.0	cpe:2.3:o:debian:debian_linux:9.0:::::::*
debian	debian_linux	10.0	cpe:2.3:o:debian:debian_linux:10.0:::::::*

References for CVE-2020-27745

URL	Tags
https://lists.debian.org/debian-lts-announce/2022/01/msg00011.html	Mailing List Third Party Advisory
https://www.debian.org/security/2021/dsa-4841	Third Party Advisory
https://www.schedmd.com/news.php	Patch Vendor Advisory

URL

CVE-2020-27745

Exploit prediction scoring system (EPSS) score for CVE-2020-27745

Common vulnerability scoring system (CVSS) metrics for CVE-2020-27745

Weakness enumeration for CVE-2020-27745

OS Trackers for CVE-2020-27745

Affected software / configurations for CVE-2020-27745

References for CVE-2020-27745