8

CVE-2020-10736: linuxfoundation ceph Improper Authorization

Modified
AliasesUBUNTU-CVE-2020-10736ALPINE-CVE-2020-10736
Published 22-06-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-10736 is a high (CVSS 8.0) Improper Authorization vulnerability in linuxfoundation ceph. EPSS estimates a 0.65% chance of exploitation in the next 30 days, higher than 51% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 8, adjacent network); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
8.0/10
010
High · v3.1 (CVE.org)
EPSS score
0.65%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
USN-4706-1

Timeline

  1. 22-06-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

An authorization bypass vulnerability was found in Ceph versions 15.2.0 before 15.2.2, where the ceph-mon and ceph-mgr daemons do not properly restrict access, resulting in gaining access to unauthorized resources. This flaw allows an authenticated client to modify the configuration and possibly conduct further attacks.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.65%

Chance of exploitation in the next 30 days

Percentile

51%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.65% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: adjacent network, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Alpine2 products
  • ceph≥ 15.2.0, < 15.2.6-r0
  • ceph16< 15.2.6-r0
[unknown]1 product
  • cephEOL15.2.0 before 15.2.2
Linuxfoundation1 product
  • ceph≥ 15.2.0, < 15.2.2
Ubuntu1 product
  • ceph< 15.2.7-0ubuntu0.20.04.2

4 vendors · 5 products

References

6 links