An issue was discovered in ClusterLabs Hawk 2.x through 2.3.0-x.

published 2021-01-12 5y ago modified 2026-06-17 4mo ago also EUVD-2020-23132

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 5.6%; EPSS 5.6% chance of exploitation in 30 days, percentile 92%
public exploits: 0; none known

An issue was discovered in ClusterLabs Hawk 2.x through 2.3.0-x. There is a Ruby shell code injection issue via the hawk_remember_me_id parameter in the login_from_cookie cookie. The user logout routine could be used by unauthenticated remote attackers to execute code as hauser.

Patch / fix

distros 2 links 3

suse opensuse

hawk2 SLE High Availability Extension 15 SP2, SLE High Availability Extension 15 SP1, SLE High Availability Extension 15 2.4.0+git.1611141202.2fe6369e-3.21.1
hawk2 SLE High Availability Extension 12 SP3 2.5.0+git.1611141696.64c61e0c-2.36.1
hawk2 SLE High Availability Extension 12 SP5, SLE High Availability Extension 12 SP4 2.5.0+git.1611141696.64c61e0c-3.24.1
hawk2 SLE High Availability Extension 12 SP3 2.4.0+git.1607523195.05cd3222-2.33.1
hawk2 SLE High Availability Extension 12 SP5, SLE High Availability Extension 12 SP4 2.4.0+git.1607523195.05cd3222-3.21.1
hawk2 SLE High Availability Extension 15 SP2, SLE High Availability Extension 15 SP1, SLE High Availability Extension 15 2.3.0+git.1603969748.10468582-3.18.1

suse advisories SUSE-SU-2021:0200-1 SUSE-SU-2021:0198-1 SUSE-SU-2021:0192-1 SUSE-SU-2021:0090-1 SUSE-SU-2021:0089-1 SUSE-SU-2021:0088-1

hawk2 openSUSE Tumbleweed 2.6.4+git.1682509819.1ff135ea-1.1
hawk2 openSUSE Leap 15.1 2.4.0+git.1611141202.2fe6369e-lp151.2.21.1
hawk2 openSUSE Leap 15.2 2.4.0+git.1611141202.2fe6369e-lp152.2.12.1
hawk2 openSUSE Leap 15.1 2.3.0+git.1603969748.10468582-lp151.2.18.1
hawk2 openSUSE Leap 15.2 2.3.0+git.1603969748.10468582-lp152.2.9.1

opensuse advisories openSUSE-SU-2024:12952-1 openSUSE-SU-2021:0147-1 openSUSE-SU-2021:0144-1 openSUSE-SU-2021:0074-1 openSUSE-SU-2021:0054-1

bugzilla.suse.com/show_bug.cgi?id=1179998 advisory
openwall.com/lists/oss-security/2021/01/12/3 advisory
openwall.com/lists/oss-security/2021/01/12/3 advisory

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Exploit prediction

5.56% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

bugzilla.suse.com /show_bug.cgi?id=1179998
issue-tracking, patch, third-party-advisory
openwall.com /lists/oss-security/2021/01/12/3
mailing-list, patch, third-party-advisory
openwall.com /lists/oss-security/2021/01/12/3
mailing-list, patch, third-party-advisory
github.com /ClusterLabs/hawk/releases
release-notes, third-party-advisory

Sources

CVE List CVE-2020-35458
NVD CVE-2020-35458

Fencer Intel 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.