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NVD / CVE Program· CNA mitre

CVE-2020-13113: An issue was discovered in libexif before 0.6.22.

Noroxi assessment

Priority: Monitor (action score 33/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 1.9% (FIRST EPSS); higher than 80% of all records.
  • Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: libexif (Alpine:v3.10) 0.6.22-r0; libexif (Debian:12) 0.6.21-9; libexif (Debian:8) 0.6.21-2+deb8u3.

Low priority for now. Upgrade to libexif (Alpine:v3.10) 0.6.22-r0; libexif (Debian:12) 0.6.21-9; libexif (Debian:8) 0.6.21-2+deb8u3 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

An issue was discovered in libexif before 0.6.22. Use of uninitialized memory in EXIF Makernote handling could lead to crashes and potential use-after-free conditions.

HighCVSS 8.2 · v3.1—No exploit Fix available
Published
May 21, 2020
Updated
Jun 16, 2026
EPSS
1.9% · 80th percentile

Report tools

JSON

Action score

33

Monitor

Low priority for now.

CVSS
32 / 40 · 8.2 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 1.9%

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  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

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When you'll hear from us

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  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
libexif projectlibexif
debiandebian linux
canonicalubuntu linux
opensuseleap

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • canonical ubuntu linux12.04
  • canonical ubuntu linux14.04
  • canonical ubuntu linux16.04
  • canonical ubuntu linux18.04
  • canonical ubuntu linux19.10
  • canonical ubuntu linux20.04
  • debian debian linux8.0
  • libexif project libexifbefore 0.6.22
  • opensuse leap15.1

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Alpine:v3.10libexifbefore 0.6.22-r00.6.22-r0
Debian:12libexifbefore 0.6.21-90.6.21-9
Debian:8libexifbefore 0.6.21-2+deb8u30.6.21-2+deb8u3
openSUSE:Leap 15.1libexifbefore 0.6.22-lp151.4.6.10.6.22-lp151.4.6.1
openSUSE:Tumbleweedlibexifbefore 0.6.23-1.20.6.23-1.2
Red Hat:enterprise_linux:7::clientlibexifbefore 0:0.6.22-1.el70:0.6.22-1.el7
Red Hat:enterprise_linux:7::clientlibexif-debuginfobefore 0:0.6.22-1.el70:0.6.22-1.el7
Red Hat:enterprise_linux:7::clientlibexif-develbefore 0:0.6.22-1.el70:0.6.22-1.el7
Red Hat:enterprise_linux:7::clientlibexif-docbefore 0:0.6.22-1.el70:0.6.22-1.el7
Red Hat:enterprise_linux:8::appstreamlibexifbefore 0:0.6.22-4.el80:0.6.22-4.el8
Red Hat:enterprise_linux:8::appstreamlibexif-debuginfobefore 0:0.6.22-4.el80:0.6.22-4.el8
Red Hat:enterprise_linux:8::appstreamlibexif-debugsourcebefore 0:0.6.22-4.el80:0.6.22-4.el8
Red Hat:enterprise_linux:8::crblibexif-develbefore 0:0.6.22-4.el80:0.6.22-4.el8
SUSE:HPE Helion OpenStack 8libexifbefore 0.6.22-8.9.10.6.22-8.9.1
SUSE:Linux Enterprise Module for Desktop Applications 15 SP1libexifbefore 0.6.22-5.6.10.6.22-5.6.1

Same product

libexif project: all records

Other highest-scoring records for the same primary product.

  • CVE-2020-13112An issue was discovered in libexif before 0.6.22.
    37Monitor
  • CVE-2017-7544libexif through 0.6.21 is vulnerable to out-of-bounds heap read vulnerability in exif_data_save_data_entry function in libexif/exif-data.c c
    37Monitor
  • CVE-2016-6328A vulnerability was found in libexif.
    33Monitor

Published before and after this one in the same product

  • ← EarlierCVE-2020-12767May 9, 2020 · exif_entry_get_value in exif-entry.c in libexif 0.6.21 has a divide-by-zero error.
    22Monitor
  • ← EarlierCVE-2020-13114May 21, 2020 · An issue was discovered in libexif before 0.6.22.
    31Monitor
  • Later →CVE-2026-32775Mar 16, 2026 · libexif through 0.6.25 has a flaw in decoding MakerNotes.
    31Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
alpine:libexif0.6.22-r0 · Alpine:v3.10Package registry (OSV)
debian:libexif0.6.21-9 · Debian:12Package registry (OSV)
opensuse:libexif0.6.22-lp151.4.6.1 · openSUSE:Leap 15.1Package registry (OSV)
red hat:libexif0:0.6.22-1.el7 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:libexif-debuginfo0:0.6.22-1.el7 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:libexif-debugsource0:0.6.22-4.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:libexif-devel0:0.6.22-1.el7 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:libexif-doc0:0.6.22-1.el7 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
suse:libexif0.6.22-8.9.1 · SUSE:HPE Helion OpenStack 8Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

No history yet (it accumulates with the daily EPSS job).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
low · data can be read
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
Low
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-908 · Use of Uninitialized Resource

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (4 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records