CVE-2020-12059

An issue was discovered in Ceph through 13.2.9. A POST request with an invalid tagging XML can crash the RGW process by triggering a NULL pointer exception.

Published: 2020-04-22 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2020-12059 is rated Moderate Risk (61.6/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.65%). EPSS rose +2.37% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2020-12059

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 2026-06-15 0.28% 2.65% +2.37%
2 2025-11-21 0.87% 0.28% -0.59%
3 2025-11-18 — 0.87% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-12059

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2020-12059

OS Trackers for CVE-2020-12059

vendor priority summary link
debian not yet assigned CVE-2020-12059 not yet assigned priority: Debian including 1 source packages (ceph), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2020-12059
redhat medium — https://access.redhat.com/security/cve/CVE-2020-12059
suse high CVE-2020-12059 severity important: SUSE including 70 source package names (ceph, ceph-12.2.12+git.1587570958.35d78d0243-2.45.1, …), 275 product×package rows across 28 product lines (HPE Helion OpenStack 8, Image SLES12-SP5-SAP-Azure-LI-BYOS-Production, … (28 product lines)): Fixed 157, Known Not Affected 118. https://www.suse.com/security/cve/CVE-2020-12059/
ubuntu medium CVE-2020-12059 medium priority: Ubuntu including 1 source packages (ceph), 6 status rows across 6 suites (bionic, eoan, focal, trusty, upstream, xenial): not-affected 4, released 2. https://ubuntu.com/security/CVE-2020-12059

Affected software / configurations for CVE-2020-12059

Vendor Product Version Raw CPE
linuxfoundation ceph <= 13.2.9 cpe:2.3:a:linuxfoundation:ceph:*:*:*:*:*:*:*:*
canonical ubuntu_linux 16.04 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
canonical ubuntu_linux 18.04 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

References for CVE-2020-12059

cvelogic Threat Intelligence