CVE-2023-27320

Exp

Sudo before 1.9.13p2 has a double free in the per-command chroot feature.

Published: 2023-02-28 Last update: 2025-03-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2023-27320 is rated Exploit Available (56.6/100): CVSS High severity, with low exploitation likelihood (EPSS 0.17%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2023-27320

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2023-27320

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-11-21 0.90% 0.17% -0.72%
2 2025-11-18 0.15% 0.90% +0.74%
3 2025-08-24 — 0.15% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-27320

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.2 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:H/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:H)
They need powerful rights—admin, root, or similar—before this pays off.
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.
 1.2 5.9 [email protected]
7.2 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:H/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:H)
They need powerful rights—admin, root, or similar—before this pays off.
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.
 1.2 5.9 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2023-27320

OS Trackers for CVE-2023-27320

vendor priority summary link
alpine — CVE-2023-27320: 1 source package rows (sudo); 3 state rows across 3 repos (3.17-community, 3.22-community, edge-community); fixed 1, open 2. https://security.alpinelinux.org/vuln/CVE-2023-27320
debian unimportant CVE-2023-27320 unimportant priority: Debian including 1 source packages (sudo), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2023-27320
gentoo high CVE-2023-27320: 1 GLSA(s) (202309-12), 1 atom(s) (app-admin/sudo); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2023-27320
redhat medium — https://access.redhat.com/security/cve/CVE-2023-27320
suse medium CVE-2023-27320 severity moderate: SUSE including 268 source package names (12.1-3.2.83:sudo-1.9.9-150400.4.26.1, 12.1-5.2.101:sudo-1.9.9-150400.4.26.1, …), 420 product×package rows across 134 product lines (Container suse/sle-micro-rancher/5.3, Container suse/sle-micro-rancher/5.4, … (134 product lines)): Fixed 208, Known Affected 151, Known Not Affected 61. https://www.suse.com/security/cve/CVE-2023-27320/
ubuntu medium CVE-2023-27320 medium priority: Ubuntu including 1 source packages (sudo), 8 status rows across 8 suites (bionic, focal, jammy, kinetic, lunar, trusty, upstream, xenial): not-affected 4, released 4. https://ubuntu.com/security/CVE-2023-27320

Affected software / configurations for CVE-2023-27320

Vendor Product Version Raw CPE
sudo_project sudo >= 1.9.8, < 1.9.13 cpe:2.3:a:sudo_project:sudo:*:*:*:*:*:*:*:*
sudo_project sudo 1.9.13 cpe:2.3:a:sudo_project:sudo:1.9.13:-:*:*:*:*:*:*
sudo_project sudo 1.9.13 cpe:2.3:a:sudo_project:sudo:1.9.13:p1:*:*:*:*:*:*
fedoraproject fedora 36 cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
fedoraproject fedora 37 cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
fedoraproject fedora 38 cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*

References for CVE-2023-27320

cvelogic Threat Intelligence